./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD --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 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:21:51,725 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:21:51,728 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:21:51,763 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:21:51,764 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:21:51,765 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:21:51,767 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:21:51,770 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:21:51,772 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:21:51,773 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:21:51,775 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:21:51,776 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:21:51,777 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:21:51,779 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:21:51,781 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:21:51,783 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:21:51,784 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:21:51,785 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:21:51,788 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:21:51,791 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:21:51,793 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:21:51,801 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:21:51,803 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:21:51,805 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:21:51,809 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:21:51,810 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:21:51,815 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:21:51,817 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:21:51,817 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:21:51,819 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:21:51,821 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:21:51,822 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:21:51,824 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:21:51,826 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:21:51,828 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:21:51,830 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:21:51,831 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:21:51,832 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:21:51,833 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:21:51,834 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:21:51,835 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:21:51,844 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-28 23:21:51,891 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-28 23:21:51,892 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:21:51,892 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:21:51,892 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:21:51,893 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:21:51,894 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-28 23:21:51,894 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-28 23:21:51,894 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:21:51,894 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-28 23:21:51,895 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-28 23:21:51,895 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-28 23:21:51,895 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-28 23:21:51,895 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-28 23:21:51,895 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 23:21:51,896 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-28 23:21:51,896 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-28 23:21:51,896 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-28 23:21:51,896 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-28 23:21:51,896 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-28 23:21:51,897 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:21:51,897 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-28 23:21:51,897 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-28 23:21:51,897 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:21:51,897 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:21:51,898 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 23:21:51,898 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-28 23:21:51,898 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-28 23:21:51,898 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-28 23:21:51,899 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-28 23:21:51,899 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-10-28 23:21:51,899 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-28 23:21:51,899 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-28 23:21:51,899 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_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/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_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD
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 -> 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa
[2021-10-28 23:21:52,171 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:21:52,213 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:21:52,216 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:21:52,217 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-28 23:21:52,218 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-28 23:21:52,219 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2021-10-28 23:21:52,297 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/data/a17ce812d/be008d836f794676a01321d1a9399236/FLAGdbbddf012
[2021-10-28 23:21:52,959 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-28 23:21:52,960 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2021-10-28 23:21:52,990 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/data/a17ce812d/be008d836f794676a01321d1a9399236/FLAGdbbddf012
[2021-10-28 23:21:53,202 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/data/a17ce812d/be008d836f794676a01321d1a9399236
[2021-10-28 23:21:53,208 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:21:53,211 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:21:53,214 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:21:53,215 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:21:53,218 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:21:53,219 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:21:53" (1/1) ...
[2021-10-28 23:21:53,222 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5228dde7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:53, skipping insertion in model container
[2021-10-28 23:21:53,222 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:21:53" (1/1) ...
[2021-10-28 23:21:53,230 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-28 23:21:53,326 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:21:53,551 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_4419bff5-7cae-465d-866f-9a3c3ec0eee3/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051]
[2021-10-28 23:21:53,854 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:21:53,880 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-28 23:21:53,902 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_4419bff5-7cae-465d-866f-9a3c3ec0eee3/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051]
[2021-10-28 23:21:53,980 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:21:54,034 INFO  L208         MainTranslator]: Completed translation
[2021-10-28 23:21:54,035 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:54 WrapperNode
[2021-10-28 23:21:54,035 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:21:54,037 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:21:54,037 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:21:54,037 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:21:54,046 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:54" (1/1) ...
[2021-10-28 23:21:54,087 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:54" (1/1) ...
[2021-10-28 23:21:54,139 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:21:54,143 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:21:54,143 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:21:54,143 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:21:54,154 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:54" (1/1) ...
[2021-10-28 23:21:54,154 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:54" (1/1) ...
[2021-10-28 23:21:54,160 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:54" (1/1) ...
[2021-10-28 23:21:54,161 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:54" (1/1) ...
[2021-10-28 23:21:54,178 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:54" (1/1) ...
[2021-10-28 23:21:54,185 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:54" (1/1) ...
[2021-10-28 23:21:54,189 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:54" (1/1) ...
[2021-10-28 23:21:54,196 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:21:54,197 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:21:54,197 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:21:54,198 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:21:54,199 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:54" (1/1) ...
[2021-10-28 23:21:54,211 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:21:54,240 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:21:54,254 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-28 23:21:54,274 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:21:54,311 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-28 23:21:54,311 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-10-28 23:21:54,312 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:21:54,312 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-28 23:21:54,312 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2021-10-28 23:21:54,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2021-10-28 23:21:54,312 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2021-10-28 23:21:54,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2021-10-28 23:21:54,313 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:21:54,313 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-10-28 23:21:54,313 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:21:54,314 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:21:54,316 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-28 23:21:58,061 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:21:58,061 INFO  L299             CfgBuilder]: Removed 10 assume(true) statements.
[2021-10-28 23:21:58,064 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:21:58 BoogieIcfgContainer
[2021-10-28 23:21:58,064 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:21:58,066 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-28 23:21:58,067 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-28 23:21:58,070 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-28 23:21:58,071 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:21:53" (1/3) ...
[2021-10-28 23:21:58,072 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1d1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:21:58, skipping insertion in model container
[2021-10-28 23:21:58,072 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:54" (2/3) ...
[2021-10-28 23:21:58,072 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1d1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:21:58, skipping insertion in model container
[2021-10-28 23:21:58,073 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:21:58" (3/3) ...
[2021-10-28 23:21:58,074 INFO  L111   eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2021-10-28 23:21:58,080 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-28 23:21:58,081 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-28 23:21:58,081 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2021-10-28 23:21:58,081 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-28 23:21:58,132 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,132 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,132 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,132 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,133 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,133 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,133 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,133 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,133 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,134 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,134 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,134 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,134 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,135 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,135 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,135 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,135 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,136 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,136 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,137 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,137 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,137 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,138 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,139 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,139 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,139 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,139 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,140 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,140 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,140 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,141 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,141 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,142 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,142 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,142 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,143 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,143 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,143 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,143 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,143 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,143 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,143 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,144 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,144 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,144 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,144 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,144 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,144 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,145 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,145 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,145 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,145 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,145 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,146 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,146 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,146 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,146 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,146 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,147 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,147 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,148 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,149 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,149 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,149 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,149 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,149 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,150 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,150 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,150 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,150 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,150 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,150 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,151 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,151 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,151 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,151 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,152 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,153 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,155 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,156 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,159 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,159 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,161 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,161 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,161 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,162 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,162 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,163 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,163 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,170 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,171 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,171 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,171 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,171 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,171 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,171 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,172 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,172 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,172 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,172 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,172 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,173 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,173 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,173 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,174 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,174 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,174 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,174 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,175 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,175 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,175 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,175 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,175 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,175 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,176 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,176 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,176 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,176 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,176 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,177 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,177 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,177 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,177 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,178 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,178 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,178 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,178 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,178 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,178 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,179 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,179 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,179 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,179 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,179 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,179 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,180 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,180 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,180 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,180 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,180 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,180 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,180 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,181 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,181 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,181 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,181 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,181 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,181 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,182 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,182 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,183 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,183 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,183 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,185 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,185 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,185 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,185 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,185 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,186 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,186 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,186 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,188 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,188 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,188 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,188 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,188 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,188 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,188 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,189 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,189 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,189 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,189 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,189 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,189 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,190 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,190 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,190 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,190 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,190 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,190 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,190 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,191 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,191 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,191 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,191 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,191 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,191 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,191 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,192 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,192 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,192 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,192 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,192 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,192 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,192 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,193 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,193 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,193 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,193 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,195 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,195 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,195 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,195 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,196 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,196 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,196 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,197 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,202 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,202 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,202 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,202 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,203 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,203 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,203 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,204 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,204 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,205 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,214 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,214 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,214 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,215 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,215 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,215 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,215 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,216 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,216 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,225 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,225 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,225 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,226 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,226 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,226 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,226 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,226 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,227 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,227 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,227 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,227 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,227 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,227 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,228 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,228 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,228 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,228 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,228 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,228 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,229 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,229 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,229 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,229 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,229 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,229 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,230 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,230 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,230 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,230 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,233 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,233 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,233 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,233 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,234 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,234 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,234 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,234 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,234 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,234 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,235 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,235 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,235 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,235 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,235 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,235 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,236 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,236 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,236 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,236 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,236 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,236 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,237 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,237 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,238 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,238 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,238 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,238 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,238 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,238 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,238 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-28 23:21:58,240 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-10-28 23:21:58,310 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-28 23:21:58,327 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
[2021-10-28 23:21:58,327 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2021-10-28 23:21:58,347 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 96 places, 91 transitions, 192 flow
[2021-10-28 23:21:58,406 INFO  L129       PetriNetUnfolder]: 2/89 cut-off events.
[2021-10-28 23:21:58,406 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-10-28 23:21:58,410 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 2/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. 
[2021-10-28 23:21:58,411 INFO  L82        GeneralOperation]: Start removeDead. Operand has 96 places, 91 transitions, 192 flow
[2021-10-28 23:21:58,417 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 94 places, 89 transitions, 184 flow
[2021-10-28 23:21:58,444 INFO  L129       PetriNetUnfolder]: 0/56 cut-off events.
[2021-10-28 23:21:58,444 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-10-28 23:21:58,444 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:21:58,445 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]
[2021-10-28 23:21:58,445 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:21:58,453 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:21:58,453 INFO  L85        PathProgramCache]: Analyzing trace with hash -1253803643, now seen corresponding path program 1 times
[2021-10-28 23:21:58,463 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:21:58,465 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715335749]
[2021-10-28 23:21:58,465 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:21:58,466 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:21:58,677 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:21:58,898 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:21:58,899 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:21:58,899 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715335749]
[2021-10-28 23:21:58,900 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715335749] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:21:58,900 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:21:58,900 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 23:21:58,902 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240735890]
[2021-10-28 23:21:58,915 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:21:58,915 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:21:58,929 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:21:58,932 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:21:58,937 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 78 out of 91
[2021-10-28 23:21:58,944 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 89 transitions, 184 flow. Second operand  has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:21:58,944 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:21:58,944 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 91
[2021-10-28 23:21:58,945 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:21:59,190 INFO  L129       PetriNetUnfolder]: 57/278 cut-off events.
[2021-10-28 23:21:59,191 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-10-28 23:21:59,194 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 391 conditions, 278 events. 57/278 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1231 event pairs, 6 based on Foata normal form. 24/286 useless extension candidates. Maximal degree in co-relation 346. Up to 88 conditions per place. 
[2021-10-28 23:21:59,199 INFO  L132   encePairwiseOnDemand]: 86/91 looper letters, 12 selfloop transitions, 2 changer transitions 0/90 dead transitions.
[2021-10-28 23:21:59,199 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 90 transitions, 214 flow
[2021-10-28 23:21:59,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-28 23:21:59,203 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-10-28 23:21:59,214 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions.
[2021-10-28 23:21:59,220 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9267399267399268
[2021-10-28 23:21:59,221 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 253 transitions.
[2021-10-28 23:21:59,222 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 253 transitions.
[2021-10-28 23:21:59,225 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:21:59,228 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 253 transitions.
[2021-10-28 23:21:59,237 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:21:59,246 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:21:59,248 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:21:59,250 INFO  L186             Difference]: Start difference. First operand has 94 places, 89 transitions, 184 flow. Second operand 3 states and 253 transitions.
[2021-10-28 23:21:59,251 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 90 transitions, 214 flow
[2021-10-28 23:21:59,256 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 90 transitions, 212 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-10-28 23:21:59,261 INFO  L242             Difference]: Finished difference. Result has 92 places, 85 transitions, 178 flow
[2021-10-28 23:21:59,264 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=92, PETRI_TRANSITIONS=85}
[2021-10-28 23:21:59,265 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, -2 predicate places.
[2021-10-28 23:21:59,266 INFO  L470      AbstractCegarLoop]: Abstraction has has 92 places, 85 transitions, 178 flow
[2021-10-28 23:21:59,266 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:21:59,266 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:21:59,267 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]
[2021-10-28 23:21:59,267 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-28 23:21:59,268 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:21:59,269 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:21:59,269 INFO  L85        PathProgramCache]: Analyzing trace with hash 799487896, now seen corresponding path program 1 times
[2021-10-28 23:21:59,269 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:21:59,269 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100012206]
[2021-10-28 23:21:59,270 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:21:59,270 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:21:59,432 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:21:59,603 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:21:59,604 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:21:59,604 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100012206]
[2021-10-28 23:21:59,605 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100012206] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:21:59,605 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:21:59,605 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-10-28 23:21:59,605 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431444916]
[2021-10-28 23:21:59,608 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-10-28 23:21:59,608 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:21:59,609 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-28 23:21:59,609 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:21:59,612 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 79 out of 91
[2021-10-28 23:21:59,613 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 85 transitions, 178 flow. Second operand  has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 6 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:21:59,613 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:21:59,613 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 91
[2021-10-28 23:21:59,614 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:21:59,771 INFO  L129       PetriNetUnfolder]: 4/118 cut-off events.
[2021-10-28 23:21:59,771 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-10-28 23:21:59,772 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 150 conditions, 118 events. 4/118 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 175 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 104. Up to 8 conditions per place. 
[2021-10-28 23:21:59,772 INFO  L132   encePairwiseOnDemand]: 85/91 looper letters, 6 selfloop transitions, 2 changer transitions 21/97 dead transitions.
[2021-10-28 23:21:59,772 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 97 transitions, 244 flow
[2021-10-28 23:21:59,773 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-28 23:21:59,773 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-10-28 23:21:59,776 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 734 transitions.
[2021-10-28 23:21:59,777 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8962148962148963
[2021-10-28 23:21:59,778 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 734 transitions.
[2021-10-28 23:21:59,778 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 734 transitions.
[2021-10-28 23:21:59,779 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:21:59,779 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 734 transitions.
[2021-10-28 23:21:59,783 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 10 states, 9 states have (on average 81.55555555555556) internal successors, (734), 9 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:21:59,787 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 10 states, 10 states have (on average 91.0) internal successors, (910), 10 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:21:59,789 INFO  L81            ComplementDD]: Finished complementDD. Result  has 10 states, 10 states have (on average 91.0) internal successors, (910), 10 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:21:59,789 INFO  L186             Difference]: Start difference. First operand has 92 places, 85 transitions, 178 flow. Second operand 9 states and 734 transitions.
[2021-10-28 23:21:59,789 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 97 transitions, 244 flow
[2021-10-28 23:21:59,790 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 97 transitions, 240 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-10-28 23:21:59,793 INFO  L242             Difference]: Finished difference. Result has 105 places, 76 transitions, 176 flow
[2021-10-28 23:21:59,793 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=176, PETRI_PLACES=105, PETRI_TRANSITIONS=76}
[2021-10-28 23:21:59,794 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, 11 predicate places.
[2021-10-28 23:21:59,794 INFO  L470      AbstractCegarLoop]: Abstraction has has 105 places, 76 transitions, 176 flow
[2021-10-28 23:21:59,795 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 6 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:21:59,795 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:21:59,796 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]
[2021-10-28 23:21:59,796 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-28 23:21:59,796 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:21:59,797 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:21:59,797 INFO  L85        PathProgramCache]: Analyzing trace with hash -1022196741, now seen corresponding path program 1 times
[2021-10-28 23:21:59,797 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:21:59,797 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337193351]
[2021-10-28 23:21:59,797 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:21:59,798 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:21:59,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:22:00,087 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:22:00,087 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:22:00,087 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337193351]
[2021-10-28 23:22:00,087 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337193351] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:22:00,087 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:22:00,087 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-10-28 23:22:00,088 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589577237]
[2021-10-28 23:22:00,088 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-10-28 23:22:00,088 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:22:00,091 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-28 23:22:00,092 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:22:00,094 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 79 out of 91
[2021-10-28 23:22:00,096 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 76 transitions, 176 flow. Second operand  has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 6 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:00,096 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:22:00,096 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 91
[2021-10-28 23:22:00,096 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:22:00,252 INFO  L129       PetriNetUnfolder]: 3/91 cut-off events.
[2021-10-28 23:22:00,252 INFO  L130       PetriNetUnfolder]: For 14/14 co-relation queries the response was YES.
[2021-10-28 23:22:00,252 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 143 conditions, 91 events. 3/91 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 93 event pairs, 0 based on Foata normal form. 2/93 useless extension candidates. Maximal degree in co-relation 128. Up to 7 conditions per place. 
[2021-10-28 23:22:00,253 INFO  L132   encePairwiseOnDemand]: 85/91 looper letters, 6 selfloop transitions, 2 changer transitions 10/86 dead transitions.
[2021-10-28 23:22:00,253 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 86 transitions, 250 flow
[2021-10-28 23:22:00,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-28 23:22:00,254 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-10-28 23:22:00,256 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 731 transitions.
[2021-10-28 23:22:00,257 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8925518925518926
[2021-10-28 23:22:00,257 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 731 transitions.
[2021-10-28 23:22:00,257 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 731 transitions.
[2021-10-28 23:22:00,258 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:22:00,258 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 731 transitions.
[2021-10-28 23:22:00,261 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 10 states, 9 states have (on average 81.22222222222223) internal successors, (731), 9 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:00,264 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 10 states, 10 states have (on average 91.0) internal successors, (910), 10 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:00,265 INFO  L81            ComplementDD]: Finished complementDD. Result  has 10 states, 10 states have (on average 91.0) internal successors, (910), 10 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:00,266 INFO  L186             Difference]: Start difference. First operand has 105 places, 76 transitions, 176 flow. Second operand 9 states and 731 transitions.
[2021-10-28 23:22:00,266 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 86 transitions, 250 flow
[2021-10-28 23:22:00,268 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 86 transitions, 218 flow, removed 14 selfloop flow, removed 8 redundant places.
[2021-10-28 23:22:00,270 INFO  L242             Difference]: Finished difference. Result has 97 places, 76 transitions, 180 flow
[2021-10-28 23:22:00,270 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=180, PETRI_PLACES=97, PETRI_TRANSITIONS=76}
[2021-10-28 23:22:00,271 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, 3 predicate places.
[2021-10-28 23:22:00,271 INFO  L470      AbstractCegarLoop]: Abstraction has has 97 places, 76 transitions, 180 flow
[2021-10-28 23:22:00,272 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 6 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:00,272 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:22:00,272 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]
[2021-10-28 23:22:00,272 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-28 23:22:00,272 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:22:00,273 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:22:00,273 INFO  L85        PathProgramCache]: Analyzing trace with hash -359119299, now seen corresponding path program 1 times
[2021-10-28 23:22:00,273 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:22:00,273 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801376487]
[2021-10-28 23:22:00,274 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:22:00,274 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:22:00,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:22:00,915 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:22:00,915 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:22:00,915 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801376487]
[2021-10-28 23:22:00,916 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801376487] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:22:00,916 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:22:00,916 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-10-28 23:22:00,917 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841358332]
[2021-10-28 23:22:00,917 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2021-10-28 23:22:00,917 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:22:00,919 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-10-28 23:22:00,924 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132
[2021-10-28 23:22:00,926 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 66 out of 91
[2021-10-28 23:22:00,929 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 76 transitions, 180 flow. Second operand  has 12 states, 12 states have (on average 67.41666666666667) internal successors, (809), 12 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:00,929 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:22:00,929 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 91
[2021-10-28 23:22:00,929 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:22:01,660 INFO  L129       PetriNetUnfolder]: 115/365 cut-off events.
[2021-10-28 23:22:01,660 INFO  L130       PetriNetUnfolder]: For 85/85 co-relation queries the response was YES.
[2021-10-28 23:22:01,662 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 720 conditions, 365 events. 115/365 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1507 event pairs, 21 based on Foata normal form. 6/354 useless extension candidates. Maximal degree in co-relation 665. Up to 139 conditions per place. 
[2021-10-28 23:22:01,665 INFO  L132   encePairwiseOnDemand]: 79/91 looper letters, 26 selfloop transitions, 9 changer transitions 19/110 dead transitions.
[2021-10-28 23:22:01,665 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 110 transitions, 385 flow
[2021-10-28 23:22:01,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-10-28 23:22:01,666 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2021-10-28 23:22:01,669 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 980 transitions.
[2021-10-28 23:22:01,670 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.7692307692307693
[2021-10-28 23:22:01,670 INFO  L72            ComplementDD]: Start complementDD. Operand 14 states and 980 transitions.
[2021-10-28 23:22:01,670 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 14 states and 980 transitions.
[2021-10-28 23:22:01,671 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:22:01,671 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 980 transitions.
[2021-10-28 23:22:01,674 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 15 states, 14 states have (on average 70.0) internal successors, (980), 14 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:01,681 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 15 states, 15 states have (on average 91.0) internal successors, (1365), 15 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:01,682 INFO  L81            ComplementDD]: Finished complementDD. Result  has 15 states, 15 states have (on average 91.0) internal successors, (1365), 15 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:01,682 INFO  L186             Difference]: Start difference. First operand has 97 places, 76 transitions, 180 flow. Second operand 14 states and 980 transitions.
[2021-10-28 23:22:01,683 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 110 transitions, 385 flow
[2021-10-28 23:22:01,686 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 110 transitions, 347 flow, removed 14 selfloop flow, removed 8 redundant places.
[2021-10-28 23:22:01,689 INFO  L242             Difference]: Finished difference. Result has 105 places, 80 transitions, 225 flow
[2021-10-28 23:22:01,689 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=225, PETRI_PLACES=105, PETRI_TRANSITIONS=80}
[2021-10-28 23:22:01,689 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, 11 predicate places.
[2021-10-28 23:22:01,690 INFO  L470      AbstractCegarLoop]: Abstraction has has 105 places, 80 transitions, 225 flow
[2021-10-28 23:22:01,690 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 67.41666666666667) internal successors, (809), 12 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:01,691 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:22:01,691 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]
[2021-10-28 23:22:01,691 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-28 23:22:01,691 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:22:01,692 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:22:01,692 INFO  L85        PathProgramCache]: Analyzing trace with hash -1165651035, now seen corresponding path program 2 times
[2021-10-28 23:22:01,692 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:22:01,692 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200565801]
[2021-10-28 23:22:01,692 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:22:01,692 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:22:01,782 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:22:02,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:22:02,429 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:22:02,429 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200565801]
[2021-10-28 23:22:02,429 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200565801] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:22:02,429 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:22:02,429 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18
[2021-10-28 23:22:02,429 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269836684]
[2021-10-28 23:22:02,430 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2021-10-28 23:22:02,430 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:22:02,431 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2021-10-28 23:22:02,431 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306
[2021-10-28 23:22:02,434 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 61 out of 91
[2021-10-28 23:22:02,435 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 80 transitions, 225 flow. Second operand  has 18 states, 18 states have (on average 62.111111111111114) internal successors, (1118), 18 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:02,436 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:22:02,436 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 91
[2021-10-28 23:22:02,436 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:22:03,487 INFO  L129       PetriNetUnfolder]: 292/716 cut-off events.
[2021-10-28 23:22:03,487 INFO  L130       PetriNetUnfolder]: For 750/776 co-relation queries the response was YES.
[2021-10-28 23:22:03,490 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1799 conditions, 716 events. 292/716 cut-off events. For 750/776 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3676 event pairs, 29 based on Foata normal form. 19/723 useless extension candidates. Maximal degree in co-relation 1732. Up to 181 conditions per place. 
[2021-10-28 23:22:03,496 INFO  L132   encePairwiseOnDemand]: 75/91 looper letters, 46 selfloop transitions, 21 changer transitions 50/168 dead transitions.
[2021-10-28 23:22:03,496 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 168 transitions, 799 flow
[2021-10-28 23:22:03,496 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2021-10-28 23:22:03,497 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 25 states.
[2021-10-28 23:22:03,501 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 1642 transitions.
[2021-10-28 23:22:03,502 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.7217582417582418
[2021-10-28 23:22:03,503 INFO  L72            ComplementDD]: Start complementDD. Operand 25 states and 1642 transitions.
[2021-10-28 23:22:03,503 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 25 states and 1642 transitions.
[2021-10-28 23:22:03,504 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:22:03,504 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 1642 transitions.
[2021-10-28 23:22:03,509 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 26 states, 25 states have (on average 65.68) internal successors, (1642), 25 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:03,515 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 26 states, 26 states have (on average 91.0) internal successors, (2366), 26 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:03,517 INFO  L81            ComplementDD]: Finished complementDD. Result  has 26 states, 26 states have (on average 91.0) internal successors, (2366), 26 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:03,517 INFO  L186             Difference]: Start difference. First operand has 105 places, 80 transitions, 225 flow. Second operand 25 states and 1642 transitions.
[2021-10-28 23:22:03,517 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 168 transitions, 799 flow
[2021-10-28 23:22:03,522 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 168 transitions, 759 flow, removed 14 selfloop flow, removed 7 redundant places.
[2021-10-28 23:22:03,525 INFO  L242             Difference]: Finished difference. Result has 131 places, 90 transitions, 369 flow
[2021-10-28 23:22:03,526 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=369, PETRI_PLACES=131, PETRI_TRANSITIONS=90}
[2021-10-28 23:22:03,526 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, 37 predicate places.
[2021-10-28 23:22:03,526 INFO  L470      AbstractCegarLoop]: Abstraction has has 131 places, 90 transitions, 369 flow
[2021-10-28 23:22:03,527 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 18 states, 18 states have (on average 62.111111111111114) internal successors, (1118), 18 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:03,527 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:22:03,527 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]
[2021-10-28 23:22:03,528 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-28 23:22:03,528 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:22:03,528 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:22:03,528 INFO  L85        PathProgramCache]: Analyzing trace with hash -2118857283, now seen corresponding path program 3 times
[2021-10-28 23:22:03,529 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:22:03,529 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880111948]
[2021-10-28 23:22:03,529 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:22:03,529 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:22:03,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:22:03,914 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:22:03,914 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:22:03,914 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880111948]
[2021-10-28 23:22:03,915 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880111948] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:22:03,915 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:22:03,915 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-10-28 23:22:03,915 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290136250]
[2021-10-28 23:22:03,916 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2021-10-28 23:22:03,916 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:22:03,917 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-10-28 23:22:03,917 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132
[2021-10-28 23:22:03,919 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 66 out of 91
[2021-10-28 23:22:03,920 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 90 transitions, 369 flow. Second operand  has 12 states, 12 states have (on average 67.41666666666667) internal successors, (809), 12 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:03,921 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:22:03,921 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 91
[2021-10-28 23:22:03,921 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:22:04,534 INFO  L129       PetriNetUnfolder]: 159/487 cut-off events.
[2021-10-28 23:22:04,534 INFO  L130       PetriNetUnfolder]: For 3115/3247 co-relation queries the response was YES.
[2021-10-28 23:22:04,538 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1759 conditions, 487 events. 159/487 cut-off events. For 3115/3247 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2317 event pairs, 27 based on Foata normal form. 19/487 useless extension candidates. Maximal degree in co-relation 1677. Up to 203 conditions per place. 
[2021-10-28 23:22:04,543 INFO  L132   encePairwiseOnDemand]: 79/91 looper letters, 28 selfloop transitions, 12 changer transitions 13/113 dead transitions.
[2021-10-28 23:22:04,543 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 113 transitions, 653 flow
[2021-10-28 23:22:04,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-10-28 23:22:04,544 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2021-10-28 23:22:04,547 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 705 transitions.
[2021-10-28 23:22:04,548 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.7747252747252747
[2021-10-28 23:22:04,548 INFO  L72            ComplementDD]: Start complementDD. Operand 10 states and 705 transitions.
[2021-10-28 23:22:04,548 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 10 states and 705 transitions.
[2021-10-28 23:22:04,549 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:22:04,549 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 705 transitions.
[2021-10-28 23:22:04,552 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 11 states, 10 states have (on average 70.5) internal successors, (705), 10 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:04,555 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 11 states, 11 states have (on average 91.0) internal successors, (1001), 11 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:04,556 INFO  L81            ComplementDD]: Finished complementDD. Result  has 11 states, 11 states have (on average 91.0) internal successors, (1001), 11 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:04,556 INFO  L186             Difference]: Start difference. First operand has 131 places, 90 transitions, 369 flow. Second operand 10 states and 705 transitions.
[2021-10-28 23:22:04,556 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 113 transitions, 653 flow
[2021-10-28 23:22:04,568 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 113 transitions, 541 flow, removed 51 selfloop flow, removed 14 redundant places.
[2021-10-28 23:22:04,571 INFO  L242             Difference]: Finished difference. Result has 118 places, 93 transitions, 379 flow
[2021-10-28 23:22:04,572 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=379, PETRI_PLACES=118, PETRI_TRANSITIONS=93}
[2021-10-28 23:22:04,572 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, 24 predicate places.
[2021-10-28 23:22:04,572 INFO  L470      AbstractCegarLoop]: Abstraction has has 118 places, 93 transitions, 379 flow
[2021-10-28 23:22:04,573 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 67.41666666666667) internal successors, (809), 12 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:04,573 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:22:04,573 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]
[2021-10-28 23:22:04,574 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-28 23:22:04,574 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:22:04,574 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:22:04,575 INFO  L85        PathProgramCache]: Analyzing trace with hash -2062520357, now seen corresponding path program 4 times
[2021-10-28 23:22:04,575 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:22:04,575 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327023611]
[2021-10-28 23:22:04,575 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:22:04,576 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:22:04,645 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:22:04,934 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:22:04,934 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:22:04,934 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327023611]
[2021-10-28 23:22:04,935 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327023611] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:22:04,935 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:22:04,935 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2021-10-28 23:22:04,935 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258833273]
[2021-10-28 23:22:04,936 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2021-10-28 23:22:04,936 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:22:04,937 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-10-28 23:22:04,937 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110
[2021-10-28 23:22:04,939 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 64 out of 91
[2021-10-28 23:22:04,940 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 93 transitions, 379 flow. Second operand  has 11 states, 11 states have (on average 65.72727272727273) internal successors, (723), 11 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:04,940 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:22:04,940 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 91
[2021-10-28 23:22:04,941 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:22:05,670 INFO  L129       PetriNetUnfolder]: 174/569 cut-off events.
[2021-10-28 23:22:05,671 INFO  L130       PetriNetUnfolder]: For 1577/1815 co-relation queries the response was YES.
[2021-10-28 23:22:05,675 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1782 conditions, 569 events. 174/569 cut-off events. For 1577/1815 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3116 event pairs, 39 based on Foata normal form. 29/578 useless extension candidates. Maximal degree in co-relation 1704. Up to 171 conditions per place. 
[2021-10-28 23:22:05,679 INFO  L132   encePairwiseOnDemand]: 79/91 looper letters, 31 selfloop transitions, 18 changer transitions 22/129 dead transitions.
[2021-10-28 23:22:05,680 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 129 transitions, 731 flow
[2021-10-28 23:22:05,680 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-10-28 23:22:05,680 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-10-28 23:22:05,683 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 889 transitions.
[2021-10-28 23:22:05,684 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.7514792899408284
[2021-10-28 23:22:05,685 INFO  L72            ComplementDD]: Start complementDD. Operand 13 states and 889 transitions.
[2021-10-28 23:22:05,685 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 13 states and 889 transitions.
[2021-10-28 23:22:05,686 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:22:05,686 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 889 transitions.
[2021-10-28 23:22:05,689 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 14 states, 13 states have (on average 68.38461538461539) internal successors, (889), 13 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:05,693 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 14 states, 14 states have (on average 91.0) internal successors, (1274), 14 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:05,694 INFO  L81            ComplementDD]: Finished complementDD. Result  has 14 states, 14 states have (on average 91.0) internal successors, (1274), 14 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:05,694 INFO  L186             Difference]: Start difference. First operand has 118 places, 93 transitions, 379 flow. Second operand 13 states and 889 transitions.
[2021-10-28 23:22:05,694 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 129 transitions, 731 flow
[2021-10-28 23:22:05,702 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 129 transitions, 674 flow, removed 20 selfloop flow, removed 8 redundant places.
[2021-10-28 23:22:05,705 INFO  L242             Difference]: Finished difference. Result has 127 places, 100 transitions, 490 flow
[2021-10-28 23:22:05,705 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=490, PETRI_PLACES=127, PETRI_TRANSITIONS=100}
[2021-10-28 23:22:05,706 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, 33 predicate places.
[2021-10-28 23:22:05,706 INFO  L470      AbstractCegarLoop]: Abstraction has has 127 places, 100 transitions, 490 flow
[2021-10-28 23:22:05,707 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 65.72727272727273) internal successors, (723), 11 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:05,707 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:22:05,707 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]
[2021-10-28 23:22:05,707 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-10-28 23:22:05,708 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:22:05,708 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:22:05,708 INFO  L85        PathProgramCache]: Analyzing trace with hash -958247449, now seen corresponding path program 1 times
[2021-10-28 23:22:05,709 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:22:05,709 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073470528]
[2021-10-28 23:22:05,709 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:22:05,709 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:22:05,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:22:05,951 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:22:05,951 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:22:05,952 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073470528]
[2021-10-28 23:22:05,952 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073470528] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:22:05,952 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:22:05,952 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-10-28 23:22:05,953 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851379035]
[2021-10-28 23:22:05,954 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-10-28 23:22:05,954 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:22:05,954 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-28 23:22:05,955 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2021-10-28 23:22:05,956 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 68 out of 91
[2021-10-28 23:22:05,957 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 100 transitions, 490 flow. Second operand  has 9 states, 9 states have (on average 69.77777777777777) internal successors, (628), 9 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:05,957 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:22:05,957 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 91
[2021-10-28 23:22:05,958 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:22:06,350 INFO  L129       PetriNetUnfolder]: 171/603 cut-off events.
[2021-10-28 23:22:06,350 INFO  L130       PetriNetUnfolder]: For 2042/2254 co-relation queries the response was YES.
[2021-10-28 23:22:06,373 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2076 conditions, 603 events. 171/603 cut-off events. For 2042/2254 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3736 event pairs, 35 based on Foata normal form. 26/606 useless extension candidates. Maximal degree in co-relation 1997. Up to 150 conditions per place. 
[2021-10-28 23:22:06,376 INFO  L132   encePairwiseOnDemand]: 81/91 looper letters, 31 selfloop transitions, 7 changer transitions 29/129 dead transitions.
[2021-10-28 23:22:06,377 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 129 transitions, 836 flow
[2021-10-28 23:22:06,377 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-28 23:22:06,377 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2021-10-28 23:22:06,379 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 583 transitions.
[2021-10-28 23:22:06,380 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8008241758241759
[2021-10-28 23:22:06,380 INFO  L72            ComplementDD]: Start complementDD. Operand 8 states and 583 transitions.
[2021-10-28 23:22:06,380 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 8 states and 583 transitions.
[2021-10-28 23:22:06,381 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:22:06,381 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 583 transitions.
[2021-10-28 23:22:06,384 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 9 states, 8 states have (on average 72.875) internal successors, (583), 8 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:06,386 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 9 states, 9 states have (on average 91.0) internal successors, (819), 9 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:06,387 INFO  L81            ComplementDD]: Finished complementDD. Result  has 9 states, 9 states have (on average 91.0) internal successors, (819), 9 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:06,387 INFO  L186             Difference]: Start difference. First operand has 127 places, 100 transitions, 490 flow. Second operand 8 states and 583 transitions.
[2021-10-28 23:22:06,387 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 129 transitions, 836 flow
[2021-10-28 23:22:06,396 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 129 transitions, 775 flow, removed 19 selfloop flow, removed 11 redundant places.
[2021-10-28 23:22:06,399 INFO  L242             Difference]: Finished difference. Result has 122 places, 98 transitions, 458 flow
[2021-10-28 23:22:06,399 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=458, PETRI_PLACES=122, PETRI_TRANSITIONS=98}
[2021-10-28 23:22:06,400 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, 28 predicate places.
[2021-10-28 23:22:06,400 INFO  L470      AbstractCegarLoop]: Abstraction has has 122 places, 98 transitions, 458 flow
[2021-10-28 23:22:06,400 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 69.77777777777777) internal successors, (628), 9 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:06,401 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:22:06,401 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]
[2021-10-28 23:22:06,401 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-10-28 23:22:06,401 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:22:06,402 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:22:06,402 INFO  L85        PathProgramCache]: Analyzing trace with hash 1855028681, now seen corresponding path program 2 times
[2021-10-28 23:22:06,402 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:22:06,402 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258616973]
[2021-10-28 23:22:06,402 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:22:06,403 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:22:06,503 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:22:07,003 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:22:07,003 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:22:07,004 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258616973]
[2021-10-28 23:22:07,004 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258616973] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:22:07,004 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:22:07,004 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2021-10-28 23:22:07,004 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194554963]
[2021-10-28 23:22:07,005 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2021-10-28 23:22:07,005 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:22:07,006 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-10-28 23:22:07,006 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182
[2021-10-28 23:22:07,008 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 63 out of 91
[2021-10-28 23:22:07,010 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 98 transitions, 458 flow. Second operand  has 14 states, 14 states have (on average 64.5) internal successors, (903), 14 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:07,010 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:22:07,010 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 91
[2021-10-28 23:22:07,010 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:22:07,996 INFO  L129       PetriNetUnfolder]: 119/447 cut-off events.
[2021-10-28 23:22:07,996 INFO  L130       PetriNetUnfolder]: For 1651/1834 co-relation queries the response was YES.
[2021-10-28 23:22:07,999 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1629 conditions, 447 events. 119/447 cut-off events. For 1651/1834 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2313 event pairs, 25 based on Foata normal form. 39/472 useless extension candidates. Maximal degree in co-relation 1549. Up to 152 conditions per place. 
[2021-10-28 23:22:08,003 INFO  L132   encePairwiseOnDemand]: 77/91 looper letters, 47 selfloop transitions, 29 changer transitions 2/134 dead transitions.
[2021-10-28 23:22:08,004 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 134 transitions, 860 flow
[2021-10-28 23:22:08,004 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-10-28 23:22:08,005 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2021-10-28 23:22:08,008 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1200 transitions.
[2021-10-28 23:22:08,010 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.7326007326007326
[2021-10-28 23:22:08,010 INFO  L72            ComplementDD]: Start complementDD. Operand 18 states and 1200 transitions.
[2021-10-28 23:22:08,010 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 18 states and 1200 transitions.
[2021-10-28 23:22:08,011 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:22:08,011 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1200 transitions.
[2021-10-28 23:22:08,015 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 19 states, 18 states have (on average 66.66666666666667) internal successors, (1200), 18 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:08,019 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 19 states, 19 states have (on average 91.0) internal successors, (1729), 19 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:08,020 INFO  L81            ComplementDD]: Finished complementDD. Result  has 19 states, 19 states have (on average 91.0) internal successors, (1729), 19 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:08,021 INFO  L186             Difference]: Start difference. First operand has 122 places, 98 transitions, 458 flow. Second operand 18 states and 1200 transitions.
[2021-10-28 23:22:08,021 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 134 transitions, 860 flow
[2021-10-28 23:22:08,027 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 134 transitions, 830 flow, removed 9 selfloop flow, removed 6 redundant places.
[2021-10-28 23:22:08,030 INFO  L242             Difference]: Finished difference. Result has 133 places, 114 transitions, 684 flow
[2021-10-28 23:22:08,031 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=684, PETRI_PLACES=133, PETRI_TRANSITIONS=114}
[2021-10-28 23:22:08,031 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, 39 predicate places.
[2021-10-28 23:22:08,031 INFO  L470      AbstractCegarLoop]: Abstraction has has 133 places, 114 transitions, 684 flow
[2021-10-28 23:22:08,032 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 64.5) internal successors, (903), 14 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:08,032 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:22:08,033 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]
[2021-10-28 23:22:08,033 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-10-28 23:22:08,033 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:22:08,034 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:22:08,034 INFO  L85        PathProgramCache]: Analyzing trace with hash -1325178677, now seen corresponding path program 3 times
[2021-10-28 23:22:08,034 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:22:08,034 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408460256]
[2021-10-28 23:22:08,034 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:22:08,035 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:22:08,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:22:08,312 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:22:08,312 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:22:08,313 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408460256]
[2021-10-28 23:22:08,313 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408460256] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:22:08,313 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:22:08,313 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-10-28 23:22:08,314 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260308725]
[2021-10-28 23:22:08,314 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-10-28 23:22:08,314 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:22:08,315 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-28 23:22:08,315 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2021-10-28 23:22:08,316 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 66 out of 91
[2021-10-28 23:22:08,317 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 114 transitions, 684 flow. Second operand  has 9 states, 9 states have (on average 68.0) internal successors, (612), 9 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:08,317 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:22:08,318 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 91
[2021-10-28 23:22:08,318 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:22:08,914 INFO  L129       PetriNetUnfolder]: 137/516 cut-off events.
[2021-10-28 23:22:08,914 INFO  L130       PetriNetUnfolder]: For 2417/2645 co-relation queries the response was YES.
[2021-10-28 23:22:08,919 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2112 conditions, 516 events. 137/516 cut-off events. For 2417/2645 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2963 event pairs, 26 based on Foata normal form. 29/528 useless extension candidates. Maximal degree in co-relation 2031. Up to 146 conditions per place. 
[2021-10-28 23:22:08,925 INFO  L132   encePairwiseOnDemand]: 81/91 looper letters, 46 selfloop transitions, 41 changer transitions 9/155 dead transitions.
[2021-10-28 23:22:08,925 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 155 transitions, 1276 flow
[2021-10-28 23:22:08,926 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-10-28 23:22:08,926 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-10-28 23:22:08,928 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 776 transitions.
[2021-10-28 23:22:08,929 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.7752247752247752
[2021-10-28 23:22:08,929 INFO  L72            ComplementDD]: Start complementDD. Operand 11 states and 776 transitions.
[2021-10-28 23:22:08,929 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 11 states and 776 transitions.
[2021-10-28 23:22:08,930 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:22:08,930 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 776 transitions.
[2021-10-28 23:22:08,933 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 12 states, 11 states have (on average 70.54545454545455) internal successors, (776), 11 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:08,936 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 12 states, 12 states have (on average 91.0) internal successors, (1092), 12 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:08,937 INFO  L81            ComplementDD]: Finished complementDD. Result  has 12 states, 12 states have (on average 91.0) internal successors, (1092), 12 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:08,938 INFO  L186             Difference]: Start difference. First operand has 133 places, 114 transitions, 684 flow. Second operand 11 states and 776 transitions.
[2021-10-28 23:22:08,938 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 155 transitions, 1276 flow
[2021-10-28 23:22:08,952 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 155 transitions, 1023 flow, removed 115 selfloop flow, removed 8 redundant places.
[2021-10-28 23:22:08,956 INFO  L242             Difference]: Finished difference. Result has 140 places, 134 transitions, 872 flow
[2021-10-28 23:22:08,957 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=872, PETRI_PLACES=140, PETRI_TRANSITIONS=134}
[2021-10-28 23:22:08,957 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, 46 predicate places.
[2021-10-28 23:22:08,957 INFO  L470      AbstractCegarLoop]: Abstraction has has 140 places, 134 transitions, 872 flow
[2021-10-28 23:22:08,958 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 68.0) internal successors, (612), 9 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:08,958 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:22:08,958 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]
[2021-10-28 23:22:08,959 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-10-28 23:22:08,959 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:22:08,959 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:22:08,960 INFO  L85        PathProgramCache]: Analyzing trace with hash -411775764, now seen corresponding path program 1 times
[2021-10-28 23:22:08,960 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:22:08,960 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156167898]
[2021-10-28 23:22:08,961 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:22:08,961 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:22:09,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:22:09,501 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:22:09,501 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:22:09,502 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156167898]
[2021-10-28 23:22:09,502 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156167898] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:22:09,502 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:22:09,502 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2021-10-28 23:22:09,502 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259725985]
[2021-10-28 23:22:09,503 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2021-10-28 23:22:09,503 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:22:09,503 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2021-10-28 23:22:09,504 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210
[2021-10-28 23:22:09,506 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 63 out of 91
[2021-10-28 23:22:09,507 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 134 transitions, 872 flow. Second operand  has 15 states, 15 states have (on average 64.46666666666667) internal successors, (967), 15 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:09,507 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:22:09,508 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 91
[2021-10-28 23:22:09,508 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:22:10,238 INFO  L129       PetriNetUnfolder]: 178/672 cut-off events.
[2021-10-28 23:22:10,238 INFO  L130       PetriNetUnfolder]: For 3648/3862 co-relation queries the response was YES.
[2021-10-28 23:22:10,244 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2957 conditions, 672 events. 178/672 cut-off events. For 3648/3862 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 4457 event pairs, 22 based on Foata normal form. 45/699 useless extension candidates. Maximal degree in co-relation 2872. Up to 164 conditions per place. 
[2021-10-28 23:22:10,248 INFO  L132   encePairwiseOnDemand]: 79/91 looper letters, 47 selfloop transitions, 9 changer transitions 60/172 dead transitions.
[2021-10-28 23:22:10,248 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 172 transitions, 1517 flow
[2021-10-28 23:22:10,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-10-28 23:22:10,249 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2021-10-28 23:22:10,251 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 809 transitions.
[2021-10-28 23:22:10,251 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.7408424908424909
[2021-10-28 23:22:10,252 INFO  L72            ComplementDD]: Start complementDD. Operand 12 states and 809 transitions.
[2021-10-28 23:22:10,252 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 12 states and 809 transitions.
[2021-10-28 23:22:10,254 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:22:10,254 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 809 transitions.
[2021-10-28 23:22:10,262 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 13 states, 12 states have (on average 67.41666666666667) internal successors, (809), 12 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:10,264 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 13 states, 13 states have (on average 91.0) internal successors, (1183), 13 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:10,265 INFO  L81            ComplementDD]: Finished complementDD. Result  has 13 states, 13 states have (on average 91.0) internal successors, (1183), 13 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:10,265 INFO  L186             Difference]: Start difference. First operand has 140 places, 134 transitions, 872 flow. Second operand 12 states and 809 transitions.
[2021-10-28 23:22:10,265 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 172 transitions, 1517 flow
[2021-10-28 23:22:10,283 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 172 transitions, 1410 flow, removed 49 selfloop flow, removed 3 redundant places.
[2021-10-28 23:22:10,286 INFO  L242             Difference]: Finished difference. Result has 152 places, 109 transitions, 601 flow
[2021-10-28 23:22:10,287 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=813, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=601, PETRI_PLACES=152, PETRI_TRANSITIONS=109}
[2021-10-28 23:22:10,287 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, 58 predicate places.
[2021-10-28 23:22:10,287 INFO  L470      AbstractCegarLoop]: Abstraction has has 152 places, 109 transitions, 601 flow
[2021-10-28 23:22:10,288 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 15 states have (on average 64.46666666666667) internal successors, (967), 15 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:10,288 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:22:10,288 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]
[2021-10-28 23:22:10,288 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-10-28 23:22:10,289 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:22:10,289 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:22:10,289 INFO  L85        PathProgramCache]: Analyzing trace with hash 2050451684, now seen corresponding path program 2 times
[2021-10-28 23:22:10,289 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:22:10,290 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118506831]
[2021-10-28 23:22:10,290 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:22:10,290 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:22:10,370 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:22:10,857 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:22:10,857 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:22:10,858 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118506831]
[2021-10-28 23:22:10,858 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118506831] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:22:10,858 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:22:10,858 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17
[2021-10-28 23:22:10,858 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764588950]
[2021-10-28 23:22:10,858 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2021-10-28 23:22:10,859 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:22:10,859 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2021-10-28 23:22:10,859 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272
[2021-10-28 23:22:10,861 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 61 out of 91
[2021-10-28 23:22:10,868 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 109 transitions, 601 flow. Second operand  has 17 states, 17 states have (on average 62.411764705882355) internal successors, (1061), 17 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:10,868 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:22:10,869 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 91
[2021-10-28 23:22:10,869 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:22:11,572 INFO  L129       PetriNetUnfolder]: 109/473 cut-off events.
[2021-10-28 23:22:11,572 INFO  L130       PetriNetUnfolder]: For 2568/2639 co-relation queries the response was YES.
[2021-10-28 23:22:11,576 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1953 conditions, 473 events. 109/473 cut-off events. For 2568/2639 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2820 event pairs, 16 based on Foata normal form. 33/502 useless extension candidates. Maximal degree in co-relation 1863. Up to 135 conditions per place. 
[2021-10-28 23:22:11,579 INFO  L132   encePairwiseOnDemand]: 74/91 looper letters, 30 selfloop transitions, 16 changer transitions 50/150 dead transitions.
[2021-10-28 23:22:11,579 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 150 transitions, 1224 flow
[2021-10-28 23:22:11,580 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-10-28 23:22:11,580 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2021-10-28 23:22:11,581 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1034 transitions.
[2021-10-28 23:22:11,582 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.7101648351648352
[2021-10-28 23:22:11,583 INFO  L72            ComplementDD]: Start complementDD. Operand 16 states and 1034 transitions.
[2021-10-28 23:22:11,583 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 16 states and 1034 transitions.
[2021-10-28 23:22:11,583 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:22:11,584 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1034 transitions.
[2021-10-28 23:22:11,586 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 17 states, 16 states have (on average 64.625) internal successors, (1034), 16 states have internal predecessors, (1034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:11,591 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 17 states, 17 states have (on average 91.0) internal successors, (1547), 17 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:11,592 INFO  L81            ComplementDD]: Finished complementDD. Result  has 17 states, 17 states have (on average 91.0) internal successors, (1547), 17 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:11,593 INFO  L186             Difference]: Start difference. First operand has 152 places, 109 transitions, 601 flow. Second operand 16 states and 1034 transitions.
[2021-10-28 23:22:11,593 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 150 transitions, 1224 flow
[2021-10-28 23:22:11,604 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 150 transitions, 1090 flow, removed 58 selfloop flow, removed 15 redundant places.
[2021-10-28 23:22:11,607 INFO  L242             Difference]: Finished difference. Result has 143 places, 98 transitions, 510 flow
[2021-10-28 23:22:11,608 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=510, PETRI_PLACES=143, PETRI_TRANSITIONS=98}
[2021-10-28 23:22:11,608 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, 49 predicate places.
[2021-10-28 23:22:11,609 INFO  L470      AbstractCegarLoop]: Abstraction has has 143 places, 98 transitions, 510 flow
[2021-10-28 23:22:11,609 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 17 states, 17 states have (on average 62.411764705882355) internal successors, (1061), 17 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:11,609 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:22:11,610 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]
[2021-10-28 23:22:11,610 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-10-28 23:22:11,610 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:22:11,611 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:22:11,611 INFO  L85        PathProgramCache]: Analyzing trace with hash -261916324, now seen corresponding path program 3 times
[2021-10-28 23:22:11,611 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:22:11,611 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150779087]
[2021-10-28 23:22:11,611 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:22:11,612 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:22:11,705 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:22:11,904 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:22:11,904 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:22:11,904 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150779087]
[2021-10-28 23:22:11,904 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150779087] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:22:11,904 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:22:11,904 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-10-28 23:22:11,905 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625030353]
[2021-10-28 23:22:11,905 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-10-28 23:22:11,905 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:22:11,906 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-10-28 23:22:11,906 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90
[2021-10-28 23:22:11,907 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 67 out of 91
[2021-10-28 23:22:11,908 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 98 transitions, 510 flow. Second operand  has 10 states, 10 states have (on average 68.8) internal successors, (688), 10 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:11,909 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:22:11,909 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 91
[2021-10-28 23:22:11,909 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:22:12,237 INFO  L129       PetriNetUnfolder]: 58/303 cut-off events.
[2021-10-28 23:22:12,238 INFO  L130       PetriNetUnfolder]: For 1618/1680 co-relation queries the response was YES.
[2021-10-28 23:22:12,240 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1246 conditions, 303 events. 58/303 cut-off events. For 1618/1680 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1416 event pairs, 6 based on Foata normal form. 18/318 useless extension candidates. Maximal degree in co-relation 1166. Up to 68 conditions per place. 
[2021-10-28 23:22:12,242 INFO  L132   encePairwiseOnDemand]: 83/91 looper letters, 24 selfloop transitions, 5 changer transitions 30/118 dead transitions.
[2021-10-28 23:22:12,242 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 118 transitions, 872 flow
[2021-10-28 23:22:12,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-28 23:22:12,243 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2021-10-28 23:22:12,244 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 575 transitions.
[2021-10-28 23:22:12,245 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.7898351648351648
[2021-10-28 23:22:12,245 INFO  L72            ComplementDD]: Start complementDD. Operand 8 states and 575 transitions.
[2021-10-28 23:22:12,245 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 8 states and 575 transitions.
[2021-10-28 23:22:12,245 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:22:12,246 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 575 transitions.
[2021-10-28 23:22:12,247 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 9 states, 8 states have (on average 71.875) internal successors, (575), 8 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:12,249 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 9 states, 9 states have (on average 91.0) internal successors, (819), 9 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:12,249 INFO  L81            ComplementDD]: Finished complementDD. Result  has 9 states, 9 states have (on average 91.0) internal successors, (819), 9 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:12,250 INFO  L186             Difference]: Start difference. First operand has 143 places, 98 transitions, 510 flow. Second operand 8 states and 575 transitions.
[2021-10-28 23:22:12,250 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 118 transitions, 872 flow
[2021-10-28 23:22:12,263 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 118 transitions, 741 flow, removed 52 selfloop flow, removed 16 redundant places.
[2021-10-28 23:22:12,265 INFO  L242             Difference]: Finished difference. Result has 127 places, 86 transitions, 362 flow
[2021-10-28 23:22:12,266 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=362, PETRI_PLACES=127, PETRI_TRANSITIONS=86}
[2021-10-28 23:22:12,266 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, 33 predicate places.
[2021-10-28 23:22:12,266 INFO  L470      AbstractCegarLoop]: Abstraction has has 127 places, 86 transitions, 362 flow
[2021-10-28 23:22:12,267 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 68.8) internal successors, (688), 10 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:12,267 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:22:12,267 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]
[2021-10-28 23:22:12,268 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-10-28 23:22:12,268 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:22:12,268 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:22:12,269 INFO  L85        PathProgramCache]: Analyzing trace with hash -62282914, now seen corresponding path program 4 times
[2021-10-28 23:22:12,269 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:22:12,269 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889999863]
[2021-10-28 23:22:12,269 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:22:12,269 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:22:12,349 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:22:12,940 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:22:12,941 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:22:12,941 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889999863]
[2021-10-28 23:22:12,941 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889999863] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:22:12,941 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:22:12,941 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16
[2021-10-28 23:22:12,942 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438389896]
[2021-10-28 23:22:12,942 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2021-10-28 23:22:12,942 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:22:12,943 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2021-10-28 23:22:12,943 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240
[2021-10-28 23:22:12,945 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 61 out of 91
[2021-10-28 23:22:12,947 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 86 transitions, 362 flow. Second operand  has 16 states, 16 states have (on average 62.5) internal successors, (1000), 16 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:12,947 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:22:12,947 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 91
[2021-10-28 23:22:12,947 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:22:13,734 INFO  L129       PetriNetUnfolder]: 29/184 cut-off events.
[2021-10-28 23:22:13,734 INFO  L130       PetriNetUnfolder]: For 627/662 co-relation queries the response was YES.
[2021-10-28 23:22:13,736 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 640 conditions, 184 events. 29/184 cut-off events. For 627/662 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 549 event pairs, 7 based on Foata normal form. 16/198 useless extension candidates. Maximal degree in co-relation 614. Up to 31 conditions per place. 
[2021-10-28 23:22:13,737 INFO  L132   encePairwiseOnDemand]: 76/91 looper letters, 18 selfloop transitions, 12 changer transitions 16/99 dead transitions.
[2021-10-28 23:22:13,737 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 99 transitions, 586 flow
[2021-10-28 23:22:13,738 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-10-28 23:22:13,738 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2021-10-28 23:22:13,739 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 896 transitions.
[2021-10-28 23:22:13,740 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.7032967032967034
[2021-10-28 23:22:13,740 INFO  L72            ComplementDD]: Start complementDD. Operand 14 states and 896 transitions.
[2021-10-28 23:22:13,741 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 14 states and 896 transitions.
[2021-10-28 23:22:13,741 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:22:13,741 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 896 transitions.
[2021-10-28 23:22:13,744 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 15 states, 14 states have (on average 64.0) internal successors, (896), 14 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:13,746 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 15 states, 15 states have (on average 91.0) internal successors, (1365), 15 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:13,747 INFO  L81            ComplementDD]: Finished complementDD. Result  has 15 states, 15 states have (on average 91.0) internal successors, (1365), 15 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:13,748 INFO  L186             Difference]: Start difference. First operand has 127 places, 86 transitions, 362 flow. Second operand 14 states and 896 transitions.
[2021-10-28 23:22:13,748 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 99 transitions, 586 flow
[2021-10-28 23:22:13,752 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 99 transitions, 543 flow, removed 15 selfloop flow, removed 12 redundant places.
[2021-10-28 23:22:13,754 INFO  L242             Difference]: Finished difference. Result has 123 places, 82 transitions, 339 flow
[2021-10-28 23:22:13,755 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=339, PETRI_PLACES=123, PETRI_TRANSITIONS=82}
[2021-10-28 23:22:13,755 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, 29 predicate places.
[2021-10-28 23:22:13,755 INFO  L470      AbstractCegarLoop]: Abstraction has has 123 places, 82 transitions, 339 flow
[2021-10-28 23:22:13,756 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 62.5) internal successors, (1000), 16 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:13,756 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-10-28 23:22:13,756 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]
[2021-10-28 23:22:13,757 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-10-28 23:22:13,757 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] ===
[2021-10-28 23:22:13,757 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:22:13,758 INFO  L85        PathProgramCache]: Analyzing trace with hash 809467454, now seen corresponding path program 5 times
[2021-10-28 23:22:13,758 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:22:13,758 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837365715]
[2021-10-28 23:22:13,758 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:22:13,758 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:22:13,864 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:22:14,167 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:22:14,168 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:22:14,168 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837365715]
[2021-10-28 23:22:14,168 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837365715] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:22:14,168 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:22:14,168 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2021-10-28 23:22:14,169 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688226328]
[2021-10-28 23:22:14,169 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2021-10-28 23:22:14,169 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:22:14,170 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-10-28 23:22:14,170 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182
[2021-10-28 23:22:14,172 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 62 out of 91
[2021-10-28 23:22:14,174 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 82 transitions, 339 flow. Second operand  has 14 states, 14 states have (on average 63.642857142857146) internal successors, (891), 14 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:14,174 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-10-28 23:22:14,174 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 91
[2021-10-28 23:22:14,174 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-10-28 23:22:14,471 INFO  L129       PetriNetUnfolder]: 9/104 cut-off events.
[2021-10-28 23:22:14,471 INFO  L130       PetriNetUnfolder]: For 256/272 co-relation queries the response was YES.
[2021-10-28 23:22:14,472 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 311 conditions, 104 events. 9/104 cut-off events. For 256/272 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 129 event pairs, 2 based on Foata normal form. 11/115 useless extension candidates. Maximal degree in co-relation 288. Up to 12 conditions per place. 
[2021-10-28 23:22:14,472 INFO  L132   encePairwiseOnDemand]: 80/91 looper letters, 0 selfloop transitions, 0 changer transitions 83/83 dead transitions.
[2021-10-28 23:22:14,472 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 83 transitions, 419 flow
[2021-10-28 23:22:14,473 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-10-28 23:22:14,473 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2021-10-28 23:22:14,475 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 772 transitions.
[2021-10-28 23:22:14,476 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.706959706959707
[2021-10-28 23:22:14,476 INFO  L72            ComplementDD]: Start complementDD. Operand 12 states and 772 transitions.
[2021-10-28 23:22:14,476 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 12 states and 772 transitions.
[2021-10-28 23:22:14,477 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:22:14,477 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 772 transitions.
[2021-10-28 23:22:14,479 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 13 states, 12 states have (on average 64.33333333333333) internal successors, (772), 12 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:14,492 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 13 states, 13 states have (on average 91.0) internal successors, (1183), 13 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:14,494 INFO  L81            ComplementDD]: Finished complementDD. Result  has 13 states, 13 states have (on average 91.0) internal successors, (1183), 13 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:14,494 INFO  L186             Difference]: Start difference. First operand has 123 places, 82 transitions, 339 flow. Second operand 12 states and 772 transitions.
[2021-10-28 23:22:14,494 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 83 transitions, 419 flow
[2021-10-28 23:22:14,497 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 83 transitions, 332 flow, removed 20 selfloop flow, removed 19 redundant places.
[2021-10-28 23:22:14,498 INFO  L242             Difference]: Finished difference. Result has 110 places, 0 transitions, 0 flow
[2021-10-28 23:22:14,499 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=110, PETRI_TRANSITIONS=0}
[2021-10-28 23:22:14,499 INFO  L334   CegarLoopForPetriNet]: 94 programPoint places, 16 predicate places.
[2021-10-28 23:22:14,499 INFO  L470      AbstractCegarLoop]: Abstraction has has 110 places, 0 transitions, 0 flow
[2021-10-28 23:22:14,500 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 63.642857142857146) internal successors, (891), 14 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:22:14,503 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-28 23:22:14,503 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-28 23:22:14,504 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-28 23:22:14,504 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-28 23:22:14,504 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-28 23:22:14,504 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-10-28 23:22:14,508 INFO  L731         BasicCegarLoop]: Path program histogram: [5, 4, 3, 1, 1, 1]
[2021-10-28 23:22:14,516 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-10-28 23:22:14,516 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-28 23:22:14,523 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:22:14 BasicIcfg
[2021-10-28 23:22:14,524 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-28 23:22:14,525 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:22:14,525 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:22:14,525 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-28 23:22:14,526 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:21:58" (3/4) ...
[2021-10-28 23:22:14,529 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-10-28 23:22:14,535 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2021-10-28 23:22:14,535 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2021-10-28 23:22:14,556 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 113 nodes and edges
[2021-10-28 23:22:14,557 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges
[2021-10-28 23:22:14,557 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2021-10-28 23:22:14,558 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-10-28 23:22:14,666 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:22:14,666 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:22:14,668 INFO  L168              Benchmark]: Toolchain (without parser) took 21456.64 ms. Allocated memory was 73.4 MB in the beginning and 264.2 MB in the end (delta: 190.8 MB). Free memory was 45.3 MB in the beginning and 160.5 MB in the end (delta: -115.2 MB). Peak memory consumption was 74.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:22:14,669 INFO  L168              Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 73.4 MB. Free memory was 46.6 MB in the beginning and 46.6 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:22:14,670 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 821.27 ms. Allocated memory was 73.4 MB in the beginning and 100.7 MB in the end (delta: 27.3 MB). Free memory was 45.1 MB in the beginning and 61.5 MB in the end (delta: -16.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-28 23:22:14,670 INFO  L168              Benchmark]: Boogie Procedure Inliner took 105.70 ms. Allocated memory is still 100.7 MB. Free memory was 61.5 MB in the beginning and 58.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:22:14,671 INFO  L168              Benchmark]: Boogie Preprocessor took 53.28 ms. Allocated memory is still 100.7 MB. Free memory was 58.1 MB in the beginning and 55.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:22:14,671 INFO  L168              Benchmark]: RCFGBuilder took 3867.12 ms. Allocated memory was 100.7 MB in the beginning and 140.5 MB in the end (delta: 39.8 MB). Free memory was 55.2 MB in the beginning and 100.4 MB in the end (delta: -45.2 MB). Peak memory consumption was 49.9 MB. Max. memory is 16.1 GB.
[2021-10-28 23:22:14,672 INFO  L168              Benchmark]: TraceAbstraction took 16457.34 ms. Allocated memory was 140.5 MB in the beginning and 264.2 MB in the end (delta: 123.7 MB). Free memory was 99.3 MB in the beginning and 167.8 MB in the end (delta: -68.5 MB). Peak memory consumption was 55.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:22:14,672 INFO  L168              Benchmark]: Witness Printer took 141.68 ms. Allocated memory is still 264.2 MB. Free memory was 167.8 MB in the beginning and 160.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:22:14,675 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17 ms. Allocated memory is still 73.4 MB. Free memory was 46.6 MB in the beginning and 46.6 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 821.27 ms. Allocated memory was 73.4 MB in the beginning and 100.7 MB in the end (delta: 27.3 MB). Free memory was 45.1 MB in the beginning and 61.5 MB in the end (delta: -16.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 105.70 ms. Allocated memory is still 100.7 MB. Free memory was 61.5 MB in the beginning and 58.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 53.28 ms. Allocated memory is still 100.7 MB. Free memory was 58.1 MB in the beginning and 55.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 3867.12 ms. Allocated memory was 100.7 MB in the beginning and 140.5 MB in the end (delta: 39.8 MB). Free memory was 55.2 MB in the beginning and 100.4 MB in the end (delta: -45.2 MB). Peak memory consumption was 49.9 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 16457.34 ms. Allocated memory was 140.5 MB in the beginning and 264.2 MB in the end (delta: 123.7 MB). Free memory was 99.3 MB in the beginning and 167.8 MB in the end (delta: -68.5 MB). Peak memory consumption was 55.2 MB. Max. memory is 16.1 GB.
 * Witness Printer took 141.68 ms. Allocated memory is still 264.2 MB. Free memory was 167.8 MB in the beginning and 160.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 19]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 19]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 5 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 16.2s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 215 SDtfs, 513 SDslu, 941 SDs, 0 SdLazy, 2086 SolverSat, 497 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 823 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=872occurred in iteration=10, InterpolantAutomatonStates: 182, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 986 NumberOfCodeBlocks, 986 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 971 ConstructedInterpolants, 0 QuantifiedInterpolants, 7883 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2021-10-28 23:22:14,738 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4419bff5-7cae-465d-866f-9a3c3ec0eee3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...