/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix047_power.oepc_pso.oepc_rmo.oepc.i


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


This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m
[2022-12-11 19:04:39,637 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-12-11 19:04:39,731 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-12-11 19:04:39,737 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-12-11 19:04:39,738 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf
[2022-12-11 19:04:39,771 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-12-11 19:04:39,771 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-11 19:04:39,773 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-11 19:04:39,773 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-11 19:04:39,773 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-11 19:04:39,774 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-12-11 19:04:39,774 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-12-11 19:04:39,774 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-11 19:04:39,775 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-12-11 19:04:39,775 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-12-11 19:04:39,776 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-12-11 19:04:39,776 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-12-11 19:04:39,776 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-12-11 19:04:39,776 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-11 19:04:39,776 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-12-11 19:04:39,776 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-12-11 19:04:39,777 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-12-11 19:04:39,777 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-12-11 19:04:39,777 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-12-11 19:04:39,777 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-11 19:04:39,777 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-12-11 19:04:39,777 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-12-11 19:04:39,777 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-12-11 19:04:39,778 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-11 19:04:39,778 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-11 19:04:39,778 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-12-11 19:04:39,778 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-12-11 19:04:39,778 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-12-11 19:04:39,778 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-12-11 19:04:39,778 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-12-11 19:04:39,779 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-12-11 19:04:39,779 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-12-11 19:04:40,073 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-11 19:04:40,094 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-11 19:04:40,096 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-11 19:04:40,097 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-12-11 19:04:40,099 INFO  L275        PluginConnector]: CDTParser initialized
[2022-12-11 19:04:40,100 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_power.oepc_pso.oepc_rmo.oepc.i
[2022-12-11 19:04:41,080 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2022-12-11 19:04:41,349 INFO  L351              CDTParser]: Found 1 translation units.
[2022-12-11 19:04:41,350 INFO  L172              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_power.oepc_pso.oepc_rmo.oepc.i
[2022-12-11 19:04:41,363 INFO  L394              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5b8fc848/2f32fffa474a4577bcd68172299852c8/FLAG7fc32c471
[2022-12-11 19:04:41,377 INFO  L402              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5b8fc848/2f32fffa474a4577bcd68172299852c8
[2022-12-11 19:04:41,379 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-11 19:04:41,380 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-12-11 19:04:41,381 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-11 19:04:41,381 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-11 19:04:41,383 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-11 19:04:41,384 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 07:04:41" (1/1) ...
[2022-12-11 19:04:41,385 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493ff0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:04:41, skipping insertion in model container
[2022-12-11 19:04:41,385 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 07:04:41" (1/1) ...
[2022-12-11 19:04:41,391 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-12-11 19:04:41,445 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-12-11 19:04:41,563 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_power.oepc_pso.oepc_rmo.oepc.i[969,982]
[2022-12-11 19:04:41,721 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,726 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,726 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,726 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,727 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,734 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,734 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,734 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,736 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,736 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,736 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,737 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,737 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,745 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,745 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,746 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,750 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,750 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,751 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,751 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,751 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,756 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,757 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,758 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,760 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,760 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,760 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,761 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,762 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,762 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,763 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,774 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,774 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,776 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,776 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,777 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,782 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,785 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,786 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,796 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,797 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,799 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,801 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-12-11 19:04:41,813 INFO  L203         MainTranslator]: Completed pre-run
[2022-12-11 19:04:41,826 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_power.oepc_pso.oepc_rmo.oepc.i[969,982]
[2022-12-11 19:04:41,852 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,853 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,853 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,854 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,854 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,855 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,856 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,856 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,856 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,857 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,857 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,857 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,857 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,859 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,859 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,859 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,859 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,860 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,860 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,860 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,860 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,862 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,862 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,862 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,862 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,863 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,863 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,863 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,863 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,863 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,864 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,869 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,869 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,870 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,870 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,871 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,874 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,874 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,874 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,876 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,876 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-11 19:04:41,877 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-11 19:04:41,877 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-12-11 19:04:41,912 INFO  L208         MainTranslator]: Completed translation
[2022-12-11 19:04:41,913 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:04:41 WrapperNode
[2022-12-11 19:04:41,913 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-11 19:04:41,914 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-12-11 19:04:41,914 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-12-11 19:04:41,914 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-12-11 19:04:41,920 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:04:41" (1/1) ...
[2022-12-11 19:04:41,953 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:04:41" (1/1) ...
[2022-12-11 19:04:41,981 INFO  L138                Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 144
[2022-12-11 19:04:41,981 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-12-11 19:04:41,982 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-12-11 19:04:41,982 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-12-11 19:04:41,982 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-12-11 19:04:41,991 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:04:41" (1/1) ...
[2022-12-11 19:04:41,991 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:04:41" (1/1) ...
[2022-12-11 19:04:41,994 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:04:41" (1/1) ...
[2022-12-11 19:04:41,994 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:04:41" (1/1) ...
[2022-12-11 19:04:42,001 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:04:41" (1/1) ...
[2022-12-11 19:04:42,002 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:04:41" (1/1) ...
[2022-12-11 19:04:42,004 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:04:41" (1/1) ...
[2022-12-11 19:04:42,005 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:04:41" (1/1) ...
[2022-12-11 19:04:42,008 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-12-11 19:04:42,016 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-12-11 19:04:42,016 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-12-11 19:04:42,016 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-12-11 19:04:42,017 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:04:41" (1/1) ...
[2022-12-11 19:04:42,022 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-11 19:04:42,047 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-12-11 19:04:42,059 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-12-11 19:04:42,071 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-12-11 19:04:42,098 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-12-11 19:04:42,098 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-12-11 19:04:42,098 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-12-11 19:04:42,098 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-12-11 19:04:42,098 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-12-11 19:04:42,098 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-12-11 19:04:42,099 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-12-11 19:04:42,099 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-12-11 19:04:42,099 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-12-11 19:04:42,100 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2022-12-11 19:04:42,100 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2022-12-11 19:04:42,100 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2022-12-11 19:04:42,100 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2022-12-11 19:04:42,100 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-12-11 19:04:42,100 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-12-11 19:04:42,101 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-12-11 19:04:42,101 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-12-11 19:04:42,102 WARN  L210             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2022-12-11 19:04:42,232 INFO  L236             CfgBuilder]: Building ICFG
[2022-12-11 19:04:42,234 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-12-11 19:04:42,528 INFO  L277             CfgBuilder]: Performing block encoding
[2022-12-11 19:04:42,843 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-12-11 19:04:42,844 INFO  L302             CfgBuilder]: Removed 0 assume(true) statements.
[2022-12-11 19:04:42,846 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 07:04:42 BoogieIcfgContainer
[2022-12-11 19:04:42,846 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-12-11 19:04:42,849 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-12-11 19:04:42,849 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-12-11 19:04:42,851 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-12-11 19:04:42,852 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 07:04:41" (1/3) ...
[2022-12-11 19:04:42,852 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18abdcd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 07:04:42, skipping insertion in model container
[2022-12-11 19:04:42,852 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:04:41" (2/3) ...
[2022-12-11 19:04:42,853 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18abdcd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 07:04:42, skipping insertion in model container
[2022-12-11 19:04:42,853 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 07:04:42" (3/3) ...
[2022-12-11 19:04:42,854 INFO  L112   eAbstractionObserver]: Analyzing ICFG mix047_power.oepc_pso.oepc_rmo.oepc.i
[2022-12-11 19:04:42,886 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-12-11 19:04:42,887 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2022-12-11 19:04:42,887 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-12-11 19:04:42,966 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-12-11 19:04:43,009 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 142 places, 131 transitions, 282 flow
[2022-12-11 19:04:43,082 INFO  L130       PetriNetUnfolder]: 2/127 cut-off events.
[2022-12-11 19:04:43,082 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-12-11 19:04:43,089 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 140 conditions, 127 events. 2/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 73 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. 
[2022-12-11 19:04:43,092 INFO  L82        GeneralOperation]: Start removeDead. Operand has 142 places, 131 transitions, 282 flow
[2022-12-11 19:04:43,105 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 138 places, 127 transitions, 266 flow
[2022-12-11 19:04:43,118 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-12-11 19:04:43,124 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31fc4e41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-12-11 19:04:43,125 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2022-12-11 19:04:43,141 INFO  L130       PetriNetUnfolder]: 0/47 cut-off events.
[2022-12-11 19:04:43,141 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-12-11 19:04:43,141 INFO  L206   CegarLoopForPetriNet]: Found error trace
[2022-12-11 19:04:43,142 INFO  L214   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]
[2022-12-11 19:04:43,143 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2022-12-11 19:04:43,148 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-11 19:04:43,148 INFO  L85        PathProgramCache]: Analyzing trace with hash 1944890787, now seen corresponding path program 1 times
[2022-12-11 19:04:43,157 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-11 19:04:43,157 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383412134]
[2022-12-11 19:04:43,157 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-11 19:04:43,158 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-11 19:04:43,301 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-11 19:04:43,654 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-11 19:04:43,654 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-11 19:04:43,655 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383412134]
[2022-12-11 19:04:43,655 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383412134] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-11 19:04:43,655 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-11 19:04:43,655 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-11 19:04:43,657 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753113073]
[2022-12-11 19:04:43,658 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-11 19:04:43,663 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-11 19:04:43,664 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-11 19:04:43,694 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-11 19:04:43,695 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-11 19:04:43,699 INFO  L481   CegarLoopForPetriNet]: Number of universal loopers: 115 out of 131
[2022-12-11 19:04:43,702 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 127 transitions, 266 flow. Second operand  has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:04:43,702 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-11 19:04:43,702 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 131
[2022-12-11 19:04:43,703 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-11 19:04:43,903 INFO  L130       PetriNetUnfolder]: 162/541 cut-off events.
[2022-12-11 19:04:43,903 INFO  L131       PetriNetUnfolder]: For 22/22 co-relation queries the response was YES.
[2022-12-11 19:04:43,910 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 847 conditions, 541 events. 162/541 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2884 event pairs, 34 based on Foata normal form. 60/575 useless extension candidates. Maximal degree in co-relation 793. Up to 191 conditions per place. 
[2022-12-11 19:04:43,914 INFO  L137   encePairwiseOnDemand]: 126/131 looper letters, 18 selfloop transitions, 2 changer transitions 0/131 dead transitions.
[2022-12-11 19:04:43,914 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 131 transitions, 323 flow
[2022-12-11 19:04:43,915 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-12-11 19:04:43,918 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-11 19:04:43,928 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions.
[2022-12-11 19:04:43,931 INFO  L526   CegarLoopForPetriNet]: DFA transition density 0.9414758269720102
[2022-12-11 19:04:43,933 INFO  L175             Difference]: Start difference. First operand has 138 places, 127 transitions, 266 flow. Second operand 3 states and 370 transitions.
[2022-12-11 19:04:43,933 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 131 transitions, 323 flow
[2022-12-11 19:04:43,936 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 131 transitions, 316 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-12-11 19:04:43,939 INFO  L231             Difference]: Finished difference. Result has 134 places, 123 transitions, 258 flow
[2022-12-11 19:04:43,941 INFO  L277   CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=134, PETRI_TRANSITIONS=123}
[2022-12-11 19:04:43,945 INFO  L295   CegarLoopForPetriNet]: 138 programPoint places, -4 predicate places.
[2022-12-11 19:04:43,945 INFO  L495      AbstractCegarLoop]: Abstraction has has 134 places, 123 transitions, 258 flow
[2022-12-11 19:04:43,946 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:04:43,946 INFO  L206   CegarLoopForPetriNet]: Found error trace
[2022-12-11 19:04:43,946 INFO  L214   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-11 19:04:43,946 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-12-11 19:04:43,947 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2022-12-11 19:04:43,950 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-11 19:04:43,950 INFO  L85        PathProgramCache]: Analyzing trace with hash 61027378, now seen corresponding path program 1 times
[2022-12-11 19:04:43,951 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-11 19:04:43,951 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565665565]
[2022-12-11 19:04:43,951 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-11 19:04:43,951 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-11 19:04:44,025 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-11 19:04:44,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-11 19:04:44,451 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-11 19:04:44,451 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565665565]
[2022-12-11 19:04:44,451 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565665565] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-11 19:04:44,451 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-11 19:04:44,451 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-12-11 19:04:44,451 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691146899]
[2022-12-11 19:04:44,451 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-11 19:04:44,453 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-11 19:04:44,453 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-11 19:04:44,453 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-11 19:04:44,453 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-12-11 19:04:44,456 INFO  L481   CegarLoopForPetriNet]: Number of universal loopers: 97 out of 131
[2022-12-11 19:04:44,457 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 123 transitions, 258 flow. Second operand  has 7 states, 7 states have (on average 99.28571428571429) internal successors, (695), 7 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:04:44,457 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-11 19:04:44,457 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 131
[2022-12-11 19:04:44,458 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-11 19:04:49,696 INFO  L130       PetriNetUnfolder]: 19160/39375 cut-off events.
[2022-12-11 19:04:49,696 INFO  L131       PetriNetUnfolder]: For 1621/1621 co-relation queries the response was YES.
[2022-12-11 19:04:49,821 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 67220 conditions, 39375 events. 19160/39375 cut-off events. For 1621/1621 co-relation queries the response was YES. Maximal size of possible extension queue 1634. Compared 409200 event pairs, 1646 based on Foata normal form. 0/38325 useless extension candidates. Maximal degree in co-relation 67163. Up to 7909 conditions per place. 
[2022-12-11 19:04:49,938 INFO  L137   encePairwiseOnDemand]: 115/131 looper letters, 47 selfloop transitions, 14 changer transitions 135/278 dead transitions.
[2022-12-11 19:04:49,938 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 278 transitions, 966 flow
[2022-12-11 19:04:49,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-12-11 19:04:49,939 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2022-12-11 19:04:49,942 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1449 transitions.
[2022-12-11 19:04:49,943 INFO  L526   CegarLoopForPetriNet]: DFA transition density 0.8508514386376982
[2022-12-11 19:04:49,943 INFO  L175             Difference]: Start difference. First operand has 134 places, 123 transitions, 258 flow. Second operand 13 states and 1449 transitions.
[2022-12-11 19:04:49,943 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 278 transitions, 966 flow
[2022-12-11 19:04:49,948 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 278 transitions, 940 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-12-11 19:04:49,952 INFO  L231             Difference]: Finished difference. Result has 156 places, 121 transitions, 380 flow
[2022-12-11 19:04:49,952 INFO  L277   CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=380, PETRI_PLACES=156, PETRI_TRANSITIONS=121}
[2022-12-11 19:04:49,953 INFO  L295   CegarLoopForPetriNet]: 138 programPoint places, 18 predicate places.
[2022-12-11 19:04:49,953 INFO  L495      AbstractCegarLoop]: Abstraction has has 156 places, 121 transitions, 380 flow
[2022-12-11 19:04:49,954 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 99.28571428571429) internal successors, (695), 7 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:04:49,954 INFO  L206   CegarLoopForPetriNet]: Found error trace
[2022-12-11 19:04:49,954 INFO  L214   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-11 19:04:49,954 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-12-11 19:04:49,954 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2022-12-11 19:04:49,955 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-11 19:04:49,955 INFO  L85        PathProgramCache]: Analyzing trace with hash -1557293709, now seen corresponding path program 1 times
[2022-12-11 19:04:49,955 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-11 19:04:49,955 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215804311]
[2022-12-11 19:04:49,956 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-11 19:04:49,956 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-11 19:04:50,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-11 19:04:50,235 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-11 19:04:50,235 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-11 19:04:50,235 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215804311]
[2022-12-11 19:04:50,236 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215804311] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-11 19:04:50,236 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-11 19:04:50,236 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-12-11 19:04:50,236 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346499611]
[2022-12-11 19:04:50,236 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-11 19:04:50,237 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-11 19:04:50,237 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-11 19:04:50,237 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-11 19:04:50,237 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-12-11 19:04:50,238 INFO  L481   CegarLoopForPetriNet]: Number of universal loopers: 97 out of 131
[2022-12-11 19:04:50,239 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 121 transitions, 380 flow. Second operand  has 7 states, 7 states have (on average 99.42857142857143) internal successors, (696), 7 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:04:50,239 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-11 19:04:50,239 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 131
[2022-12-11 19:04:50,239 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-11 19:04:53,778 INFO  L130       PetriNetUnfolder]: 13924/24028 cut-off events.
[2022-12-11 19:04:53,778 INFO  L131       PetriNetUnfolder]: For 42772/42788 co-relation queries the response was YES.
[2022-12-11 19:04:53,860 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 72928 conditions, 24028 events. 13924/24028 cut-off events. For 42772/42788 co-relation queries the response was YES. Maximal size of possible extension queue 1242. Compared 204179 event pairs, 1288 based on Foata normal form. 446/24281 useless extension candidates. Maximal degree in co-relation 72853. Up to 6599 conditions per place. 
[2022-12-11 19:04:53,975 INFO  L137   encePairwiseOnDemand]: 115/131 looper letters, 52 selfloop transitions, 22 changer transitions 121/277 dead transitions.
[2022-12-11 19:04:53,975 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 277 transitions, 1646 flow
[2022-12-11 19:04:53,978 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-12-11 19:04:53,978 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2022-12-11 19:04:53,981 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1429 transitions.
[2022-12-11 19:04:53,981 INFO  L526   CegarLoopForPetriNet]: DFA transition density 0.8391074574280681
[2022-12-11 19:04:53,981 INFO  L175             Difference]: Start difference. First operand has 156 places, 121 transitions, 380 flow. Second operand 13 states and 1429 transitions.
[2022-12-11 19:04:53,982 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 277 transitions, 1646 flow
[2022-12-11 19:04:54,262 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 277 transitions, 1622 flow, removed 12 selfloop flow, removed 3 redundant places.
[2022-12-11 19:04:54,266 INFO  L231             Difference]: Finished difference. Result has 156 places, 135 transitions, 644 flow
[2022-12-11 19:04:54,266 INFO  L277   CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=644, PETRI_PLACES=156, PETRI_TRANSITIONS=135}
[2022-12-11 19:04:54,267 INFO  L295   CegarLoopForPetriNet]: 138 programPoint places, 18 predicate places.
[2022-12-11 19:04:54,267 INFO  L495      AbstractCegarLoop]: Abstraction has has 156 places, 135 transitions, 644 flow
[2022-12-11 19:04:54,268 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 99.42857142857143) internal successors, (696), 7 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:04:54,268 INFO  L206   CegarLoopForPetriNet]: Found error trace
[2022-12-11 19:04:54,268 INFO  L214   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-11 19:04:54,268 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-12-11 19:04:54,269 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2022-12-11 19:04:54,269 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-11 19:04:54,269 INFO  L85        PathProgramCache]: Analyzing trace with hash -465191088, now seen corresponding path program 1 times
[2022-12-11 19:04:54,269 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-11 19:04:54,269 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963640588]
[2022-12-11 19:04:54,270 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-11 19:04:54,270 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-11 19:04:54,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-11 19:04:54,488 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-11 19:04:54,488 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-11 19:04:54,489 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963640588]
[2022-12-11 19:04:54,489 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963640588] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-11 19:04:54,489 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-11 19:04:54,489 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-12-11 19:04:54,489 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954921041]
[2022-12-11 19:04:54,489 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-11 19:04:54,490 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-11 19:04:54,490 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-11 19:04:54,490 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-11 19:04:54,490 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-12-11 19:04:54,491 INFO  L481   CegarLoopForPetriNet]: Number of universal loopers: 97 out of 131
[2022-12-11 19:04:54,492 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 135 transitions, 644 flow. Second operand  has 7 states, 7 states have (on average 99.57142857142857) internal successors, (697), 7 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:04:54,492 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-11 19:04:54,492 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 131
[2022-12-11 19:04:54,492 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-11 19:04:57,445 INFO  L130       PetriNetUnfolder]: 12046/20344 cut-off events.
[2022-12-11 19:04:57,446 INFO  L131       PetriNetUnfolder]: For 89009/89025 co-relation queries the response was YES.
[2022-12-11 19:04:57,523 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 77576 conditions, 20344 events. 12046/20344 cut-off events. For 89009/89025 co-relation queries the response was YES. Maximal size of possible extension queue 1008. Compared 164365 event pairs, 1493 based on Foata normal form. 354/20506 useless extension candidates. Maximal degree in co-relation 77484. Up to 5980 conditions per place. 
[2022-12-11 19:04:57,635 INFO  L137   encePairwiseOnDemand]: 116/131 looper letters, 58 selfloop transitions, 34 changer transitions 112/286 dead transitions.
[2022-12-11 19:04:57,636 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 286 transitions, 2200 flow
[2022-12-11 19:04:57,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-12-11 19:04:57,636 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2022-12-11 19:04:57,639 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1427 transitions.
[2022-12-11 19:04:57,640 INFO  L526   CegarLoopForPetriNet]: DFA transition density 0.8379330593071052
[2022-12-11 19:04:57,640 INFO  L175             Difference]: Start difference. First operand has 156 places, 135 transitions, 644 flow. Second operand 13 states and 1427 transitions.
[2022-12-11 19:04:57,640 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 286 transitions, 2200 flow
[2022-12-11 19:04:57,954 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 286 transitions, 2152 flow, removed 24 selfloop flow, removed 0 redundant places.
[2022-12-11 19:04:57,957 INFO  L231             Difference]: Finished difference. Result has 171 places, 151 transitions, 1002 flow
[2022-12-11 19:04:57,958 INFO  L277   CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1002, PETRI_PLACES=171, PETRI_TRANSITIONS=151}
[2022-12-11 19:04:57,958 INFO  L295   CegarLoopForPetriNet]: 138 programPoint places, 33 predicate places.
[2022-12-11 19:04:57,958 INFO  L495      AbstractCegarLoop]: Abstraction has has 171 places, 151 transitions, 1002 flow
[2022-12-11 19:04:57,959 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 99.57142857142857) internal successors, (697), 7 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:04:57,959 INFO  L206   CegarLoopForPetriNet]: Found error trace
[2022-12-11 19:04:57,959 INFO  L214   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-11 19:04:57,959 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-12-11 19:04:57,959 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2022-12-11 19:04:57,960 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-11 19:04:57,960 INFO  L85        PathProgramCache]: Analyzing trace with hash -408773713, now seen corresponding path program 1 times
[2022-12-11 19:04:57,960 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-11 19:04:57,960 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16045819]
[2022-12-11 19:04:57,960 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-11 19:04:57,960 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-11 19:04:58,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-11 19:04:58,390 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-11 19:04:58,391 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-11 19:04:58,391 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16045819]
[2022-12-11 19:04:58,391 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16045819] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-11 19:04:58,391 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-11 19:04:58,391 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-12-11 19:04:58,392 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840049222]
[2022-12-11 19:04:58,392 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-11 19:04:58,395 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-11 19:04:58,395 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-11 19:04:58,396 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-11 19:04:58,396 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-12-11 19:04:58,396 INFO  L481   CegarLoopForPetriNet]: Number of universal loopers: 97 out of 131
[2022-12-11 19:04:58,397 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 151 transitions, 1002 flow. Second operand  has 7 states, 7 states have (on average 99.71428571428571) internal successors, (698), 7 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:04:58,397 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-11 19:04:58,397 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 131
[2022-12-11 19:04:58,397 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-11 19:05:01,287 INFO  L130       PetriNetUnfolder]: 10863/18895 cut-off events.
[2022-12-11 19:05:01,287 INFO  L131       PetriNetUnfolder]: For 119570/119638 co-relation queries the response was YES.
[2022-12-11 19:05:01,370 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 78376 conditions, 18895 events. 10863/18895 cut-off events. For 119570/119638 co-relation queries the response was YES. Maximal size of possible extension queue 911. Compared 154634 event pairs, 1324 based on Foata normal form. 408/19105 useless extension candidates. Maximal degree in co-relation 78281. Up to 4136 conditions per place. 
[2022-12-11 19:05:01,445 INFO  L137   encePairwiseOnDemand]: 119/131 looper letters, 85 selfloop transitions, 21 changer transitions 130/318 dead transitions.
[2022-12-11 19:05:01,445 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 318 transitions, 3024 flow
[2022-12-11 19:05:01,446 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-12-11 19:05:01,446 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2022-12-11 19:05:01,449 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1428 transitions.
[2022-12-11 19:05:01,451 INFO  L526   CegarLoopForPetriNet]: DFA transition density 0.8385202583675866
[2022-12-11 19:05:01,452 INFO  L175             Difference]: Start difference. First operand has 171 places, 151 transitions, 1002 flow. Second operand 13 states and 1428 transitions.
[2022-12-11 19:05:01,452 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 318 transitions, 3024 flow
[2022-12-11 19:05:01,869 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 318 transitions, 2894 flow, removed 65 selfloop flow, removed 9 redundant places.
[2022-12-11 19:05:01,872 INFO  L231             Difference]: Finished difference. Result has 177 places, 164 transitions, 1296 flow
[2022-12-11 19:05:01,872 INFO  L277   CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=944, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1296, PETRI_PLACES=177, PETRI_TRANSITIONS=164}
[2022-12-11 19:05:01,873 INFO  L295   CegarLoopForPetriNet]: 138 programPoint places, 39 predicate places.
[2022-12-11 19:05:01,873 INFO  L495      AbstractCegarLoop]: Abstraction has has 177 places, 164 transitions, 1296 flow
[2022-12-11 19:05:01,874 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 99.71428571428571) internal successors, (698), 7 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:05:01,874 INFO  L206   CegarLoopForPetriNet]: Found error trace
[2022-12-11 19:05:01,874 INFO  L214   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-11 19:05:01,874 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-12-11 19:05:01,874 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2022-12-11 19:05:01,875 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-11 19:05:01,875 INFO  L85        PathProgramCache]: Analyzing trace with hash -991985238, now seen corresponding path program 1 times
[2022-12-11 19:05:01,875 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-11 19:05:01,875 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93299822]
[2022-12-11 19:05:01,875 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-11 19:05:01,875 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-11 19:05:01,897 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-11 19:05:02,245 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-11 19:05:02,245 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-11 19:05:02,245 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93299822]
[2022-12-11 19:05:02,245 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93299822] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-11 19:05:02,245 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-11 19:05:02,245 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-12-11 19:05:02,246 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469725692]
[2022-12-11 19:05:02,246 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-11 19:05:02,246 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-11 19:05:02,246 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-11 19:05:02,246 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-11 19:05:02,247 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-12-11 19:05:02,247 INFO  L481   CegarLoopForPetriNet]: Number of universal loopers: 97 out of 131
[2022-12-11 19:05:02,248 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 164 transitions, 1296 flow. Second operand  has 7 states, 7 states have (on average 99.85714285714286) internal successors, (699), 7 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:05:02,248 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-11 19:05:02,248 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 131
[2022-12-11 19:05:02,248 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-11 19:05:05,291 INFO  L130       PetriNetUnfolder]: 11015/20060 cut-off events.
[2022-12-11 19:05:05,291 INFO  L131       PetriNetUnfolder]: For 147333/147690 co-relation queries the response was YES.
[2022-12-11 19:05:05,384 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 83049 conditions, 20060 events. 11015/20060 cut-off events. For 147333/147690 co-relation queries the response was YES. Maximal size of possible extension queue 977. Compared 173443 event pairs, 1358 based on Foata normal form. 475/19998 useless extension candidates. Maximal degree in co-relation 82934. Up to 4484 conditions per place. 
[2022-12-11 19:05:05,464 INFO  L137   encePairwiseOnDemand]: 116/131 looper letters, 63 selfloop transitions, 54 changer transitions 102/301 dead transitions.
[2022-12-11 19:05:05,465 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 301 transitions, 2968 flow
[2022-12-11 19:05:05,465 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-12-11 19:05:05,466 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2022-12-11 19:05:05,470 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1416 transitions.
[2022-12-11 19:05:05,471 INFO  L526   CegarLoopForPetriNet]: DFA transition density 0.8314738696418086
[2022-12-11 19:05:05,472 INFO  L175             Difference]: Start difference. First operand has 177 places, 164 transitions, 1296 flow. Second operand 13 states and 1416 transitions.
[2022-12-11 19:05:05,472 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 301 transitions, 2968 flow
[2022-12-11 19:05:06,159 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 301 transitions, 2821 flow, removed 70 selfloop flow, removed 11 redundant places.
[2022-12-11 19:05:06,164 INFO  L231             Difference]: Finished difference. Result has 181 places, 171 transitions, 1628 flow
[2022-12-11 19:05:06,164 INFO  L277   CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=1241, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1628, PETRI_PLACES=181, PETRI_TRANSITIONS=171}
[2022-12-11 19:05:06,165 INFO  L295   CegarLoopForPetriNet]: 138 programPoint places, 43 predicate places.
[2022-12-11 19:05:06,165 INFO  L495      AbstractCegarLoop]: Abstraction has has 181 places, 171 transitions, 1628 flow
[2022-12-11 19:05:06,166 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 99.85714285714286) internal successors, (699), 7 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:05:06,166 INFO  L206   CegarLoopForPetriNet]: Found error trace
[2022-12-11 19:05:06,166 INFO  L214   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-11 19:05:06,166 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-12-11 19:05:06,166 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2022-12-11 19:05:06,166 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-11 19:05:06,167 INFO  L85        PathProgramCache]: Analyzing trace with hash -1935877132, now seen corresponding path program 1 times
[2022-12-11 19:05:06,167 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-11 19:05:06,167 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100741713]
[2022-12-11 19:05:06,167 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-11 19:05:06,167 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-11 19:05:06,208 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-11 19:05:06,417 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-11 19:05:06,417 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-11 19:05:06,417 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100741713]
[2022-12-11 19:05:06,417 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100741713] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-11 19:05:06,418 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-11 19:05:06,418 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-12-11 19:05:06,421 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321281596]
[2022-12-11 19:05:06,421 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-11 19:05:06,421 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-12-11 19:05:06,421 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-11 19:05:06,422 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-12-11 19:05:06,422 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-12-11 19:05:06,423 INFO  L481   CegarLoopForPetriNet]: Number of universal loopers: 104 out of 131
[2022-12-11 19:05:06,424 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 171 transitions, 1628 flow. Second operand  has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:05:06,424 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-11 19:05:06,424 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 131
[2022-12-11 19:05:06,425 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-11 19:05:14,645 INFO  L130       PetriNetUnfolder]: 31789/54432 cut-off events.
[2022-12-11 19:05:14,646 INFO  L131       PetriNetUnfolder]: For 192227/215284 co-relation queries the response was YES.
[2022-12-11 19:05:15,427 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 149682 conditions, 54432 events. 31789/54432 cut-off events. For 192227/215284 co-relation queries the response was YES. Maximal size of possible extension queue 3279. Compared 519744 event pairs, 2016 based on Foata normal form. 1117/52565 useless extension candidates. Maximal degree in co-relation 149564. Up to 17411 conditions per place. 
[2022-12-11 19:05:15,597 INFO  L137   encePairwiseOnDemand]: 120/131 looper letters, 117 selfloop transitions, 20 changer transitions 0/281 dead transitions.
[2022-12-11 19:05:15,597 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 281 transitions, 2800 flow
[2022-12-11 19:05:15,598 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-12-11 19:05:15,598 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2022-12-11 19:05:15,600 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1147 transitions.
[2022-12-11 19:05:15,601 INFO  L526   CegarLoopForPetriNet]: DFA transition density 0.8755725190839695
[2022-12-11 19:05:15,601 INFO  L175             Difference]: Start difference. First operand has 181 places, 171 transitions, 1628 flow. Second operand 10 states and 1147 transitions.
[2022-12-11 19:05:15,601 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 281 transitions, 2800 flow
[2022-12-11 19:05:15,814 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 281 transitions, 2756 flow, removed 22 selfloop flow, removed 11 redundant places.
[2022-12-11 19:05:15,816 INFO  L231             Difference]: Finished difference. Result has 176 places, 189 transitions, 1727 flow
[2022-12-11 19:05:15,817 INFO  L277   CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=1584, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1727, PETRI_PLACES=176, PETRI_TRANSITIONS=189}
[2022-12-11 19:05:15,817 INFO  L295   CegarLoopForPetriNet]: 138 programPoint places, 38 predicate places.
[2022-12-11 19:05:15,817 INFO  L495      AbstractCegarLoop]: Abstraction has has 176 places, 189 transitions, 1727 flow
[2022-12-11 19:05:15,818 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:05:15,818 INFO  L206   CegarLoopForPetriNet]: Found error trace
[2022-12-11 19:05:15,818 INFO  L214   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-11 19:05:15,818 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-12-11 19:05:15,818 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2022-12-11 19:05:15,818 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-11 19:05:15,818 INFO  L85        PathProgramCache]: Analyzing trace with hash 590637864, now seen corresponding path program 1 times
[2022-12-11 19:05:15,819 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-11 19:05:15,819 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716517157]
[2022-12-11 19:05:15,819 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-11 19:05:15,819 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-11 19:05:15,844 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-11 19:05:16,029 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-11 19:05:16,030 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-11 19:05:16,030 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716517157]
[2022-12-11 19:05:16,030 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716517157] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-11 19:05:16,030 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-11 19:05:16,030 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-12-11 19:05:16,030 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070807071]
[2022-12-11 19:05:16,030 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-11 19:05:16,031 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-11 19:05:16,031 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-11 19:05:16,032 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-11 19:05:16,033 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-12-11 19:05:16,033 INFO  L481   CegarLoopForPetriNet]: Number of universal loopers: 97 out of 131
[2022-12-11 19:05:16,034 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 189 transitions, 1727 flow. Second operand  has 7 states, 7 states have (on average 100.14285714285714) internal successors, (701), 7 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:05:16,034 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-11 19:05:16,034 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 131
[2022-12-11 19:05:16,034 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-11 19:05:21,710 INFO  L130       PetriNetUnfolder]: 14157/36451 cut-off events.
[2022-12-11 19:05:21,710 INFO  L131       PetriNetUnfolder]: For 176323/183096 co-relation queries the response was YES.
[2022-12-11 19:05:22,232 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 126143 conditions, 36451 events. 14157/36451 cut-off events. For 176323/183096 co-relation queries the response was YES. Maximal size of possible extension queue 2616. Compared 465777 event pairs, 3648 based on Foata normal form. 736/34844 useless extension candidates. Maximal degree in co-relation 126023. Up to 6773 conditions per place. 
[2022-12-11 19:05:22,369 INFO  L137   encePairwiseOnDemand]: 116/131 looper letters, 150 selfloop transitions, 81 changer transitions 5/336 dead transitions.
[2022-12-11 19:05:22,369 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 336 transitions, 3880 flow
[2022-12-11 19:05:22,370 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-12-11 19:05:22,370 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2022-12-11 19:05:22,372 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1408 transitions.
[2022-12-11 19:05:22,373 INFO  L526   CegarLoopForPetriNet]: DFA transition density 0.8267762771579565
[2022-12-11 19:05:22,373 INFO  L175             Difference]: Start difference. First operand has 176 places, 189 transitions, 1727 flow. Second operand 13 states and 1408 transitions.
[2022-12-11 19:05:22,373 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 336 transitions, 3880 flow
[2022-12-11 19:05:22,889 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 336 transitions, 3878 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-12-11 19:05:22,894 INFO  L231             Difference]: Finished difference. Result has 199 places, 232 transitions, 2973 flow
[2022-12-11 19:05:22,894 INFO  L277   CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=1725, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2973, PETRI_PLACES=199, PETRI_TRANSITIONS=232}
[2022-12-11 19:05:22,895 INFO  L295   CegarLoopForPetriNet]: 138 programPoint places, 61 predicate places.
[2022-12-11 19:05:22,895 INFO  L495      AbstractCegarLoop]: Abstraction has has 199 places, 232 transitions, 2973 flow
[2022-12-11 19:05:22,896 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 100.14285714285714) internal successors, (701), 7 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:05:22,896 INFO  L206   CegarLoopForPetriNet]: Found error trace
[2022-12-11 19:05:22,896 INFO  L214   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-11 19:05:22,896 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-12-11 19:05:22,896 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2022-12-11 19:05:22,896 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-11 19:05:22,897 INFO  L85        PathProgramCache]: Analyzing trace with hash 18382810, now seen corresponding path program 1 times
[2022-12-11 19:05:22,897 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-11 19:05:22,897 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447363871]
[2022-12-11 19:05:22,897 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-11 19:05:22,897 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-11 19:05:22,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-11 19:05:23,099 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-11 19:05:23,100 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-11 19:05:23,100 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447363871]
[2022-12-11 19:05:23,100 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447363871] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-11 19:05:23,101 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-11 19:05:23,101 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-12-11 19:05:23,101 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277649474]
[2022-12-11 19:05:23,101 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-11 19:05:23,101 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-11 19:05:23,101 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-11 19:05:23,102 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-11 19:05:23,102 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-12-11 19:05:23,102 INFO  L481   CegarLoopForPetriNet]: Number of universal loopers: 104 out of 131
[2022-12-11 19:05:23,103 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 232 transitions, 2973 flow. Second operand  has 7 states, 7 states have (on average 106.0) internal successors, (742), 7 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:05:23,103 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-11 19:05:23,104 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 131
[2022-12-11 19:05:23,104 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-11 19:05:37,445 INFO  L130       PetriNetUnfolder]: 47674/83510 cut-off events.
[2022-12-11 19:05:37,445 INFO  L131       PetriNetUnfolder]: For 444783/470979 co-relation queries the response was YES.
[2022-12-11 19:05:38,708 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 301570 conditions, 83510 events. 47674/83510 cut-off events. For 444783/470979 co-relation queries the response was YES. Maximal size of possible extension queue 5152. Compared 869461 event pairs, 2399 based on Foata normal form. 2421/83269 useless extension candidates. Maximal degree in co-relation 301437. Up to 17961 conditions per place. 
[2022-12-11 19:05:38,900 INFO  L137   encePairwiseOnDemand]: 120/131 looper letters, 161 selfloop transitions, 38 changer transitions 11/383 dead transitions.
[2022-12-11 19:05:38,900 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 383 transitions, 5189 flow
[2022-12-11 19:05:38,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-12-11 19:05:38,901 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2022-12-11 19:05:38,905 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1496 transitions.
[2022-12-11 19:05:38,905 INFO  L526   CegarLoopForPetriNet]: DFA transition density 0.8784497944803288
[2022-12-11 19:05:38,906 INFO  L175             Difference]: Start difference. First operand has 199 places, 232 transitions, 2973 flow. Second operand 13 states and 1496 transitions.
[2022-12-11 19:05:38,906 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 383 transitions, 5189 flow
[2022-12-11 19:05:42,003 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 383 transitions, 5131 flow, removed 29 selfloop flow, removed 0 redundant places.
[2022-12-11 19:05:42,008 INFO  L231             Difference]: Finished difference. Result has 217 places, 240 transitions, 2890 flow
[2022-12-11 19:05:42,008 INFO  L277   CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=2747, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2890, PETRI_PLACES=217, PETRI_TRANSITIONS=240}
[2022-12-11 19:05:42,009 INFO  L295   CegarLoopForPetriNet]: 138 programPoint places, 79 predicate places.
[2022-12-11 19:05:42,009 INFO  L495      AbstractCegarLoop]: Abstraction has has 217 places, 240 transitions, 2890 flow
[2022-12-11 19:05:42,009 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 106.0) internal successors, (742), 7 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:05:42,010 INFO  L206   CegarLoopForPetriNet]: Found error trace
[2022-12-11 19:05:42,010 INFO  L214   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-11 19:05:42,010 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-12-11 19:05:42,010 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2022-12-11 19:05:42,010 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-11 19:05:42,010 INFO  L85        PathProgramCache]: Analyzing trace with hash -1381412343, now seen corresponding path program 1 times
[2022-12-11 19:05:42,011 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-11 19:05:42,011 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483459867]
[2022-12-11 19:05:42,011 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-11 19:05:42,011 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-11 19:05:42,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-11 19:05:42,218 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-11 19:05:42,219 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-11 19:05:42,219 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483459867]
[2022-12-11 19:05:42,219 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483459867] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-11 19:05:42,219 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-11 19:05:42,219 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-12-11 19:05:42,219 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316143289]
[2022-12-11 19:05:42,219 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-11 19:05:42,220 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-12-11 19:05:42,220 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-11 19:05:42,220 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-12-11 19:05:42,220 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2022-12-11 19:05:42,221 INFO  L481   CegarLoopForPetriNet]: Number of universal loopers: 104 out of 131
[2022-12-11 19:05:42,222 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 240 transitions, 2890 flow. Second operand  has 8 states, 8 states have (on average 106.0) internal successors, (848), 8 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-11 19:05:42,222 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-11 19:05:42,222 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 131
[2022-12-11 19:05:42,222 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand