./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi003_tso.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi003_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 503cbc793fb2369a7e5308c15a611fe38888f935ec98bb5d473194a0a60e31e4
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:01:39,791 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:01:39,892 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 08:01:39,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:01:39,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:01:39,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:01:39,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:01:39,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:01:39,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:01:39,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:01:39,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:01:39,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:01:39,929 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:01:39,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:01:39,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:01:39,931 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:01:39,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:01:39,932 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:01:39,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:01:39,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:01:39,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:01:39,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:01:39,935 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:01:39,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:01:39,936 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:01:39,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:01:39,937 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:01:39,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:01:39,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:01:39,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:01:39,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:01:39,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:01:39,940 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:01:39,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:01:39,941 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:01:39,942 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:01:39,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:01:39,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:01:39,943 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:01:39,944 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503cbc793fb2369a7e5308c15a611fe38888f935ec98bb5d473194a0a60e31e4
[2023-11-19 08:01:40,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:01:40,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:01:40,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:01:40,196 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:01:40,196 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:01:40,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/rfi003_tso.i
[2023-11-19 08:01:43,469 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:01:43,863 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:01:43,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/sv-benchmarks/c/pthread-wmm/rfi003_tso.i
[2023-11-19 08:01:43,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/data/39934603c/bb493389a76c4186bf0163dacd37849c/FLAG41036cb76
[2023-11-19 08:01:43,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/data/39934603c/bb493389a76c4186bf0163dacd37849c
[2023-11-19 08:01:43,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:01:43,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:01:43,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:01:43,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:01:43,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:01:43,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:43" (1/1) ...
[2023-11-19 08:01:43,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158bb6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:43, skipping insertion in model container
[2023-11-19 08:01:43,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:43" (1/1) ...
[2023-11-19 08:01:43,976 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:01:44,165 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/sv-benchmarks/c/pthread-wmm/rfi003_tso.i[944,957]
[2023-11-19 08:01:44,420 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:01:44,434 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:01:44,448 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/sv-benchmarks/c/pthread-wmm/rfi003_tso.i[944,957]
[2023-11-19 08:01:44,562 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:01:44,615 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 08:01:44,615 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 08:01:44,623 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:01:44,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:44 WrapperNode
[2023-11-19 08:01:44,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:01:44,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:01:44,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:01:44,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:01:44,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:44" (1/1) ...
[2023-11-19 08:01:44,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:44" (1/1) ...
[2023-11-19 08:01:44,722 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 170
[2023-11-19 08:01:44,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:01:44,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:01:44,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:01:44,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:01:44,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:44" (1/1) ...
[2023-11-19 08:01:44,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:44" (1/1) ...
[2023-11-19 08:01:44,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:44" (1/1) ...
[2023-11-19 08:01:44,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:44" (1/1) ...
[2023-11-19 08:01:44,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:44" (1/1) ...
[2023-11-19 08:01:44,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:44" (1/1) ...
[2023-11-19 08:01:44,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:44" (1/1) ...
[2023-11-19 08:01:44,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:44" (1/1) ...
[2023-11-19 08:01:44,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:01:44,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:01:44,804 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:01:44,804 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:01:44,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:44" (1/1) ...
[2023-11-19 08:01:44,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:01:44,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:01:44,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:01:44,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:01:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 08:01:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-19 08:01:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:01:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 08:01:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 08:01:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2023-11-19 08:01:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2023-11-19 08:01:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2023-11-19 08:01:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2023-11-19 08:01:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:01:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-19 08:01:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:01:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:01:44,915 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-19 08:01:45,111 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:01:45,113 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:01:45,569 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:01:45,827 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:01:45,827 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 08:01:45,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:45 BoogieIcfgContainer
[2023-11-19 08:01:45,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:01:45,834 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:01:45,834 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:01:45,838 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:01:45,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:43" (1/3) ...
[2023-11-19 08:01:45,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb7c65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:45, skipping insertion in model container
[2023-11-19 08:01:45,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:44" (2/3) ...
[2023-11-19 08:01:45,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb7c65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:45, skipping insertion in model container
[2023-11-19 08:01:45,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:45" (3/3) ...
[2023-11-19 08:01:45,841 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi003_tso.i
[2023-11-19 08:01:45,851 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 08:01:45,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:01:45,863 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-19 08:01:45,863 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 08:01:45,914 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-19 08:01:45,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 100 places, 96 transitions, 200 flow
[2023-11-19 08:01:46,003 INFO L124 PetriNetUnfolderBase]: 3/94 cut-off events.
[2023-11-19 08:01:46,004 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:01:46,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 94 events. 3/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place.
[2023-11-19 08:01:46,009 INFO L82 GeneralOperation]: Start removeDead. Operand has 100 places, 96 transitions, 200 flow
[2023-11-19 08:01:46,014 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 98 places, 94 transitions, 194 flow
[2023-11-19 08:01:46,018 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 08:01:46,028 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 94 transitions, 194 flow
[2023-11-19 08:01:46,031 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 94 transitions, 194 flow
[2023-11-19 08:01:46,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 94 transitions, 194 flow
[2023-11-19 08:01:46,069 INFO L124 PetriNetUnfolderBase]: 3/94 cut-off events.
[2023-11-19 08:01:46,069 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:01:46,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 94 events. 3/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place.
[2023-11-19 08:01:46,074 INFO L119 LiptonReduction]: Number of co-enabled transitions 1466
[2023-11-19 08:01:50,034 INFO L134 LiptonReduction]: Checked pairs total: 4141
[2023-11-19 08:01:50,034 INFO L136 LiptonReduction]: Total number of compositions: 82
[2023-11-19 08:01:50,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:01:50,058 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@45bea253, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:01:50,058 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2023-11-19 08:01:50,064 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 08:01:50,064 INFO L124 PetriNetUnfolderBase]: 1/12 cut-off events.
[2023-11-19 08:01:50,064 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:01:50,065 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:50,065 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:50,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-19 08:01:50,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:50,072 INFO L85 PathProgramCache]: Analyzing trace with hash 2037622095, now seen corresponding path program 1 times
[2023-11-19 08:01:50,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:50,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762834039]
[2023-11-19 08:01:50,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:50,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:50,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:01:50,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:50,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762834039]
[2023-11-19 08:01:50,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762834039] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:01:50,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:01:50,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 08:01:50,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78671693]
[2023-11-19 08:01:50,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:01:50,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:01:50,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:50,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:01:50,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:01:50,700 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 178
[2023-11-19 08:01:50,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 50 flow. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:50,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:01:50,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 178
[2023-11-19 08:01:50,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:01:50,960 INFO L124 PetriNetUnfolderBase]: 322/545 cut-off events.
[2023-11-19 08:01:50,960 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2023-11-19 08:01:50,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 545 events. 322/545 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2170 event pairs, 77 based on Foata normal form. 0/509 useless extension candidates. Maximal degree in co-relation 1094. Up to 396 conditions per place.
[2023-11-19 08:01:50,968 INFO L140 encePairwiseOnDemand]: 174/178 looper letters, 24 selfloop transitions, 2 changer transitions 2/29 dead transitions.
[2023-11-19 08:01:50,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 29 transitions, 120 flow
[2023-11-19 08:01:50,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:01:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:01:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions.
[2023-11-19 08:01:50,985 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5074906367041199
[2023-11-19 08:01:50,986 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 271 transitions.
[2023-11-19 08:01:50,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 271 transitions.
[2023-11-19 08:01:50,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:01:50,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 271 transitions.
[2023-11-19 08:01:50,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:51,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:51,001 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:51,003 INFO L175 Difference]: Start difference. First operand has 28 places, 22 transitions, 50 flow. Second operand 3 states and 271 transitions.
[2023-11-19 08:01:51,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 29 transitions, 120 flow
[2023-11-19 08:01:51,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 29 transitions, 118 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-19 08:01:51,009 INFO L231 Difference]: Finished difference. Result has 27 places, 19 transitions, 46 flow
[2023-11-19 08:01:51,011 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=27, PETRI_TRANSITIONS=19}
[2023-11-19 08:01:51,015 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, -1 predicate places.
[2023-11-19 08:01:51,015 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 19 transitions, 46 flow
[2023-11-19 08:01:51,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:51,016 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:51,016 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:51,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:01:51,017 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-19 08:01:51,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:51,018 INFO L85 PathProgramCache]: Analyzing trace with hash -348593145, now seen corresponding path program 1 times
[2023-11-19 08:01:51,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:51,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452069683]
[2023-11-19 08:01:51,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:51,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:01:52,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:52,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452069683]
[2023-11-19 08:01:52,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452069683] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:01:52,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:01:52,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:01:52,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818823680]
[2023-11-19 08:01:52,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:01:52,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:01:52,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:52,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:01:52,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:01:52,224 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 178
[2023-11-19 08:01:52,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 19 transitions, 46 flow. Second operand has 5 states, 5 states have (on average 69.6) internal successors, (348), 5 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)
[2023-11-19 08:01:52,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:01:52,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 178
[2023-11-19 08:01:52,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:01:52,473 INFO L124 PetriNetUnfolderBase]: 289/506 cut-off events.
[2023-11-19 08:01:52,473 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES.
[2023-11-19 08:01:52,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1054 conditions, 506 events. 289/506 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1861 event pairs, 125 based on Foata normal form. 42/548 useless extension candidates. Maximal degree in co-relation 1044. Up to 226 conditions per place.
[2023-11-19 08:01:52,478 INFO L140 encePairwiseOnDemand]: 174/178 looper letters, 24 selfloop transitions, 2 changer transitions 17/43 dead transitions.
[2023-11-19 08:01:52,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 43 transitions, 182 flow
[2023-11-19 08:01:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 08:01:52,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 08:01:52,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 385 transitions.
[2023-11-19 08:01:52,491 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43258426966292135
[2023-11-19 08:01:52,491 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 385 transitions.
[2023-11-19 08:01:52,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 385 transitions.
[2023-11-19 08:01:52,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:01:52,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 385 transitions.
[2023-11-19 08:01:52,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 77.0) internal successors, (385), 5 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:52,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:52,504 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:52,504 INFO L175 Difference]: Start difference. First operand has 27 places, 19 transitions, 46 flow. Second operand 5 states and 385 transitions.
[2023-11-19 08:01:52,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 43 transitions, 182 flow
[2023-11-19 08:01:52,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 43 transitions, 176 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-19 08:01:52,509 INFO L231 Difference]: Finished difference. Result has 31 places, 19 transitions, 54 flow
[2023-11-19 08:01:52,509 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=54, PETRI_PLACES=31, PETRI_TRANSITIONS=19}
[2023-11-19 08:01:52,511 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 3 predicate places.
[2023-11-19 08:01:52,512 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 19 transitions, 54 flow
[2023-11-19 08:01:52,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 69.6) internal successors, (348), 5 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)
[2023-11-19 08:01:52,518 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:52,519 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:52,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 08:01:52,520 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-19 08:01:52,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:52,523 INFO L85 PathProgramCache]: Analyzing trace with hash 2022593034, now seen corresponding path program 1 times
[2023-11-19 08:01:52,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:52,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824476047]
[2023-11-19 08:01:52,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:52,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:54,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:01:54,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:54,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824476047]
[2023-11-19 08:01:54,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824476047] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:01:54,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:01:54,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 08:01:54,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541495633]
[2023-11-19 08:01:54,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:01:54,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-19 08:01:54,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:54,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-19 08:01:54,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2023-11-19 08:01:54,573 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 178
[2023-11-19 08:01:54,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 19 transitions, 54 flow. Second operand has 8 states, 8 states have (on average 69.5) internal successors, (556), 8 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:54,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:01:54,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 178
[2023-11-19 08:01:54,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:01:54,964 INFO L124 PetriNetUnfolderBase]: 196/366 cut-off events.
[2023-11-19 08:01:54,964 INFO L125 PetriNetUnfolderBase]: For 67/67 co-relation queries the response was YES.
[2023-11-19 08:01:54,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 813 conditions, 366 events. 196/366 cut-off events. For 67/67 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1358 event pairs, 87 based on Foata normal form. 15/381 useless extension candidates. Maximal degree in co-relation 800. Up to 307 conditions per place.
[2023-11-19 08:01:54,967 INFO L140 encePairwiseOnDemand]: 170/178 looper letters, 28 selfloop transitions, 9 changer transitions 9/47 dead transitions.
[2023-11-19 08:01:54,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 47 transitions, 209 flow
[2023-11-19 08:01:54,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-11-19 08:01:54,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2023-11-19 08:01:54,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 592 transitions.
[2023-11-19 08:01:54,971 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4157303370786517
[2023-11-19 08:01:54,971 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 592 transitions.
[2023-11-19 08:01:54,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 592 transitions.
[2023-11-19 08:01:54,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:01:54,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 592 transitions.
[2023-11-19 08:01:54,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 74.0) internal successors, (592), 8 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:54,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 178.0) internal successors, (1602), 9 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:54,979 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 178.0) internal successors, (1602), 9 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:54,979 INFO L175 Difference]: Start difference. First operand has 31 places, 19 transitions, 54 flow. Second operand 8 states and 592 transitions.
[2023-11-19 08:01:54,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 47 transitions, 209 flow
[2023-11-19 08:01:54,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 47 transitions, 199 flow, removed 2 selfloop flow, removed 4 redundant places.
[2023-11-19 08:01:54,982 INFO L231 Difference]: Finished difference. Result has 38 places, 27 transitions, 111 flow
[2023-11-19 08:01:54,982 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=111, PETRI_PLACES=38, PETRI_TRANSITIONS=27}
[2023-11-19 08:01:54,983 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 10 predicate places.
[2023-11-19 08:01:54,983 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 111 flow
[2023-11-19 08:01:54,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 69.5) internal successors, (556), 8 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:54,984 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:54,984 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:54,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 08:01:54,985 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-19 08:01:54,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:54,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1708513703, now seen corresponding path program 1 times
[2023-11-19 08:01:54,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:54,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054131013]
[2023-11-19 08:01:54,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:54,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:55,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:01:55,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:55,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054131013]
[2023-11-19 08:01:55,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054131013] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:01:55,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:01:55,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 08:01:55,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262980428]
[2023-11-19 08:01:55,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:01:55,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:01:55,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:55,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:01:55,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:01:55,809 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 178
[2023-11-19 08:01:55,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:55,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:01:55,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 178
[2023-11-19 08:01:55,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:01:56,050 INFO L124 PetriNetUnfolderBase]: 156/288 cut-off events.
[2023-11-19 08:01:56,050 INFO L125 PetriNetUnfolderBase]: For 117/117 co-relation queries the response was YES.
[2023-11-19 08:01:56,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 792 conditions, 288 events. 156/288 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 972 event pairs, 78 based on Foata normal form. 8/296 useless extension candidates. Maximal degree in co-relation 775. Up to 259 conditions per place.
[2023-11-19 08:01:56,053 INFO L140 encePairwiseOnDemand]: 173/178 looper letters, 31 selfloop transitions, 5 changer transitions 0/37 dead transitions.
[2023-11-19 08:01:56,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 37 transitions, 209 flow
[2023-11-19 08:01:56,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 08:01:56,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 08:01:56,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 308 transitions.
[2023-11-19 08:01:56,056 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43258426966292135
[2023-11-19 08:01:56,056 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 308 transitions.
[2023-11-19 08:01:56,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 308 transitions.
[2023-11-19 08:01:56,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:01:56,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 308 transitions.
[2023-11-19 08:01:56,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:56,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 178.0) internal successors, (890), 5 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:56,061 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 178.0) internal successors, (890), 5 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:56,061 INFO L175 Difference]: Start difference. First operand has 38 places, 27 transitions, 111 flow. Second operand 4 states and 308 transitions.
[2023-11-19 08:01:56,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 37 transitions, 209 flow
[2023-11-19 08:01:56,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 37 transitions, 207 flow, removed 1 selfloop flow, removed 1 redundant places.
[2023-11-19 08:01:56,065 INFO L231 Difference]: Finished difference. Result has 40 places, 29 transitions, 139 flow
[2023-11-19 08:01:56,065 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=139, PETRI_PLACES=40, PETRI_TRANSITIONS=29}
[2023-11-19 08:01:56,066 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 12 predicate places.
[2023-11-19 08:01:56,066 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 139 flow
[2023-11-19 08:01:56,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:56,067 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:56,067 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:56,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 08:01:56,068 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-19 08:01:56,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:56,068 INFO L85 PathProgramCache]: Analyzing trace with hash 2140196167, now seen corresponding path program 2 times
[2023-11-19 08:01:56,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:56,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295333551]
[2023-11-19 08:01:56,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:56,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:01:56,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:56,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295333551]
[2023-11-19 08:01:56,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295333551] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:01:56,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:01:56,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:01:56,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966860895]
[2023-11-19 08:01:56,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:01:56,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:01:56,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:56,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:01:56,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:01:56,284 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 178
[2023-11-19 08:01:56,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 139 flow. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:56,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:01:56,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 178
[2023-11-19 08:01:56,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:01:56,395 INFO L124 PetriNetUnfolderBase]: 64/148 cut-off events.
[2023-11-19 08:01:56,396 INFO L125 PetriNetUnfolderBase]: For 135/135 co-relation queries the response was YES.
[2023-11-19 08:01:56,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 468 conditions, 148 events. 64/148 cut-off events. For 135/135 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 437 event pairs, 21 based on Foata normal form. 16/163 useless extension candidates. Maximal degree in co-relation 448. Up to 93 conditions per place.
[2023-11-19 08:01:56,398 INFO L140 encePairwiseOnDemand]: 174/178 looper letters, 35 selfloop transitions, 4 changer transitions 0/40 dead transitions.
[2023-11-19 08:01:56,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 40 transitions, 254 flow
[2023-11-19 08:01:56,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:01:56,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:01:56,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 265 transitions.
[2023-11-19 08:01:56,400 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49625468164794007
[2023-11-19 08:01:56,400 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 265 transitions.
[2023-11-19 08:01:56,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 265 transitions.
[2023-11-19 08:01:56,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:01:56,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 265 transitions.
[2023-11-19 08:01:56,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:56,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:56,404 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:56,404 INFO L175 Difference]: Start difference. First operand has 40 places, 29 transitions, 139 flow. Second operand 3 states and 265 transitions.
[2023-11-19 08:01:56,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 40 transitions, 254 flow
[2023-11-19 08:01:56,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 40 transitions, 245 flow, removed 1 selfloop flow, removed 2 redundant places.
[2023-11-19 08:01:56,408 INFO L231 Difference]: Finished difference. Result has 41 places, 31 transitions, 154 flow
[2023-11-19 08:01:56,409 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=41, PETRI_TRANSITIONS=31}
[2023-11-19 08:01:56,409 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 13 predicate places.
[2023-11-19 08:01:56,410 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 31 transitions, 154 flow
[2023-11-19 08:01:56,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:56,410 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:56,410 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:56,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 08:01:56,411 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-19 08:01:56,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:56,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1908650652, now seen corresponding path program 1 times
[2023-11-19 08:01:56,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:56,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313196568]
[2023-11-19 08:01:56,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:56,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:01:58,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:58,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313196568]
[2023-11-19 08:01:58,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313196568] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:01:58,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:01:58,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-11-19 08:01:58,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227891174]
[2023-11-19 08:01:58,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:01:58,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-11-19 08:01:58,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:58,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-11-19 08:01:58,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2023-11-19 08:01:58,625 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 178
[2023-11-19 08:01:58,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 31 transitions, 154 flow. Second operand has 9 states, 9 states have (on average 71.55555555555556) internal successors, (644), 9 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:58,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:01:58,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 178
[2023-11-19 08:01:58,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:01:59,031 INFO L124 PetriNetUnfolderBase]: 62/152 cut-off events.
[2023-11-19 08:01:59,031 INFO L125 PetriNetUnfolderBase]: For 105/105 co-relation queries the response was YES.
[2023-11-19 08:01:59,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 152 events. 62/152 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 471 event pairs, 33 based on Foata normal form. 5/157 useless extension candidates. Maximal degree in co-relation 487. Up to 131 conditions per place.
[2023-11-19 08:01:59,033 INFO L140 encePairwiseOnDemand]: 170/178 looper letters, 26 selfloop transitions, 10 changer transitions 5/42 dead transitions.
[2023-11-19 08:01:59,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 42 transitions, 279 flow
[2023-11-19 08:01:59,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-11-19 08:01:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2023-11-19 08:01:59,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 598 transitions.
[2023-11-19 08:01:59,037 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4199438202247191
[2023-11-19 08:01:59,037 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 598 transitions.
[2023-11-19 08:01:59,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 598 transitions.
[2023-11-19 08:01:59,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:01:59,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 598 transitions.
[2023-11-19 08:01:59,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 74.75) internal successors, (598), 8 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:59,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 178.0) internal successors, (1602), 9 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:59,044 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 178.0) internal successors, (1602), 9 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:59,044 INFO L175 Difference]: Start difference. First operand has 41 places, 31 transitions, 154 flow. Second operand 8 states and 598 transitions.
[2023-11-19 08:01:59,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 42 transitions, 279 flow
[2023-11-19 08:01:59,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 42 transitions, 267 flow, removed 2 selfloop flow, removed 2 redundant places.
[2023-11-19 08:01:59,047 INFO L231 Difference]: Finished difference. Result has 49 places, 31 transitions, 176 flow
[2023-11-19 08:01:59,048 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=176, PETRI_PLACES=49, PETRI_TRANSITIONS=31}
[2023-11-19 08:01:59,049 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 21 predicate places.
[2023-11-19 08:01:59,049 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 31 transitions, 176 flow
[2023-11-19 08:01:59,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 71.55555555555556) internal successors, (644), 9 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:01:59,050 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:01:59,050 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:59,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 08:01:59,050 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-19 08:01:59,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:59,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1747199923, now seen corresponding path program 1 times
[2023-11-19 08:01:59,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:59,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957155860]
[2023-11-19 08:01:59,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:59,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:00,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:02:00,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:00,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957155860]
[2023-11-19 08:02:00,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957155860] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:00,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:00,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-11-19 08:02:00,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625846421]
[2023-11-19 08:02:00,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:00,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-11-19 08:02:00,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:00,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-11-19 08:02:00,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2023-11-19 08:02:00,773 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 178
[2023-11-19 08:02:00,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 31 transitions, 176 flow. Second operand has 9 states, 9 states have (on average 70.66666666666667) internal successors, (636), 9 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)
[2023-11-19 08:02:00,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:00,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 178
[2023-11-19 08:02:00,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:01,212 INFO L124 PetriNetUnfolderBase]: 94/233 cut-off events.
[2023-11-19 08:02:01,212 INFO L125 PetriNetUnfolderBase]: For 255/255 co-relation queries the response was YES.
[2023-11-19 08:02:01,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 233 events. 94/233 cut-off events. For 255/255 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 926 event pairs, 25 based on Foata normal form. 8/240 useless extension candidates. Maximal degree in co-relation 765. Up to 99 conditions per place.
[2023-11-19 08:02:01,215 INFO L140 encePairwiseOnDemand]: 169/178 looper letters, 40 selfloop transitions, 17 changer transitions 9/67 dead transitions.
[2023-11-19 08:02:01,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 67 transitions, 461 flow
[2023-11-19 08:02:01,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-11-19 08:02:01,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2023-11-19 08:02:01,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 610 transitions.
[2023-11-19 08:02:01,219 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42837078651685395
[2023-11-19 08:02:01,219 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 610 transitions.
[2023-11-19 08:02:01,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 610 transitions.
[2023-11-19 08:02:01,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:01,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 610 transitions.
[2023-11-19 08:02:01,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 76.25) internal successors, (610), 8 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:01,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 178.0) internal successors, (1602), 9 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:01,226 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 178.0) internal successors, (1602), 9 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:01,226 INFO L175 Difference]: Start difference. First operand has 49 places, 31 transitions, 176 flow. Second operand 8 states and 610 transitions.
[2023-11-19 08:02:01,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 67 transitions, 461 flow
[2023-11-19 08:02:01,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 67 transitions, 434 flow, removed 6 selfloop flow, removed 6 redundant places.
[2023-11-19 08:02:01,232 INFO L231 Difference]: Finished difference. Result has 53 places, 41 transitions, 257 flow
[2023-11-19 08:02:01,232 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=257, PETRI_PLACES=53, PETRI_TRANSITIONS=41}
[2023-11-19 08:02:01,234 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 25 predicate places.
[2023-11-19 08:02:01,234 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 41 transitions, 257 flow
[2023-11-19 08:02:01,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 70.66666666666667) internal successors, (636), 9 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)
[2023-11-19 08:02:01,235 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:01,235 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:01,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 08:02:01,235 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-19 08:02:01,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:01,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1466938423, now seen corresponding path program 2 times
[2023-11-19 08:02:01,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:01,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325452399]
[2023-11-19 08:02:01,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:01,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:01,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:02:01,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:01,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325452399]
[2023-11-19 08:02:01,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325452399] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:01,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:01,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:02:01,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506943152]
[2023-11-19 08:02:01,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:01,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 08:02:01,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:01,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 08:02:01,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 08:02:01,530 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 178
[2023-11-19 08:02:01,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 41 transitions, 257 flow. Second operand has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:01,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:01,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 178
[2023-11-19 08:02:01,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:01,633 INFO L124 PetriNetUnfolderBase]: 43/122 cut-off events.
[2023-11-19 08:02:01,633 INFO L125 PetriNetUnfolderBase]: For 170/170 co-relation queries the response was YES.
[2023-11-19 08:02:01,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 482 conditions, 122 events. 43/122 cut-off events. For 170/170 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 389 event pairs, 11 based on Foata normal form. 18/139 useless extension candidates. Maximal degree in co-relation 459. Up to 70 conditions per place.
[2023-11-19 08:02:01,635 INFO L140 encePairwiseOnDemand]: 174/178 looper letters, 39 selfloop transitions, 5 changer transitions 9/54 dead transitions.
[2023-11-19 08:02:01,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 54 transitions, 435 flow
[2023-11-19 08:02:01,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 08:02:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 08:02:01,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 343 transitions.
[2023-11-19 08:02:01,641 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48174157303370785
[2023-11-19 08:02:01,641 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 343 transitions.
[2023-11-19 08:02:01,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 343 transitions.
[2023-11-19 08:02:01,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:01,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 343 transitions.
[2023-11-19 08:02:01,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 85.75) internal successors, (343), 4 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:01,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 178.0) internal successors, (890), 5 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:01,647 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 178.0) internal successors, (890), 5 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:01,647 INFO L175 Difference]: Start difference. First operand has 53 places, 41 transitions, 257 flow. Second operand 4 states and 343 transitions.
[2023-11-19 08:02:01,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 54 transitions, 435 flow
[2023-11-19 08:02:01,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 54 transitions, 391 flow, removed 14 selfloop flow, removed 6 redundant places.
[2023-11-19 08:02:01,652 INFO L231 Difference]: Finished difference. Result has 49 places, 37 transitions, 214 flow
[2023-11-19 08:02:01,652 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=214, PETRI_PLACES=49, PETRI_TRANSITIONS=37}
[2023-11-19 08:02:01,655 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 21 predicate places.
[2023-11-19 08:02:01,655 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 37 transitions, 214 flow
[2023-11-19 08:02:01,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:01,656 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:01,656 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:01,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-19 08:02:01,656 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-19 08:02:01,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:01,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1182715394, now seen corresponding path program 1 times
[2023-11-19 08:02:01,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:01,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793209320]
[2023-11-19 08:02:01,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:01,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:01,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:02:01,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:01,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793209320]
[2023-11-19 08:02:01,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793209320] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:01,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:01,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 08:02:01,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070523623]
[2023-11-19 08:02:01,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:01,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:02:01,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:01,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:02:01,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:02:01,989 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 178
[2023-11-19 08:02:01,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 37 transitions, 214 flow. Second operand has 5 states, 5 states have (on average 76.8) internal successors, (384), 5 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:01,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:01,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 178
[2023-11-19 08:02:01,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:02,141 INFO L124 PetriNetUnfolderBase]: 47/129 cut-off events.
[2023-11-19 08:02:02,141 INFO L125 PetriNetUnfolderBase]: For 185/185 co-relation queries the response was YES.
[2023-11-19 08:02:02,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 129 events. 47/129 cut-off events. For 185/185 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 398 event pairs, 11 based on Foata normal form. 1/130 useless extension candidates. Maximal degree in co-relation 459. Up to 65 conditions per place.
[2023-11-19 08:02:02,142 INFO L140 encePairwiseOnDemand]: 174/178 looper letters, 22 selfloop transitions, 1 changer transitions 32/55 dead transitions.
[2023-11-19 08:02:02,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 55 transitions, 429 flow
[2023-11-19 08:02:02,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 08:02:02,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 08:02:02,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 398 transitions.
[2023-11-19 08:02:02,145 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44719101123595506
[2023-11-19 08:02:02,146 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 398 transitions.
[2023-11-19 08:02:02,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 398 transitions.
[2023-11-19 08:02:02,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:02,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 398 transitions.
[2023-11-19 08:02:02,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:02,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:02,151 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:02,151 INFO L175 Difference]: Start difference. First operand has 49 places, 37 transitions, 214 flow. Second operand 5 states and 398 transitions.
[2023-11-19 08:02:02,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 55 transitions, 429 flow
[2023-11-19 08:02:02,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 55 transitions, 376 flow, removed 14 selfloop flow, removed 5 redundant places.
[2023-11-19 08:02:02,155 INFO L231 Difference]: Finished difference. Result has 51 places, 23 transitions, 108 flow
[2023-11-19 08:02:02,155 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=108, PETRI_PLACES=51, PETRI_TRANSITIONS=23}
[2023-11-19 08:02:02,156 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 23 predicate places.
[2023-11-19 08:02:02,156 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 23 transitions, 108 flow
[2023-11-19 08:02:02,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 76.8) internal successors, (384), 5 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:02,157 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:02,157 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:02,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-19 08:02:02,157 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-19 08:02:02,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:02,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1523160120, now seen corresponding path program 2 times
[2023-11-19 08:02:02,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:02,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672575083]
[2023-11-19 08:02:02,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:02,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:03,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:02:03,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:03,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672575083]
[2023-11-19 08:02:03,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672575083] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:03,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:03,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-11-19 08:02:03,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228515695]
[2023-11-19 08:02:03,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:03,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-11-19 08:02:03,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:03,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-11-19 08:02:03,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2023-11-19 08:02:03,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 178
[2023-11-19 08:02:03,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 23 transitions, 108 flow. Second operand has 9 states, 9 states have (on average 72.0) internal successors, (648), 9 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:03,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:03,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 178
[2023-11-19 08:02:03,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:04,095 INFO L124 PetriNetUnfolderBase]: 12/63 cut-off events.
[2023-11-19 08:02:04,096 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES.
[2023-11-19 08:02:04,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 63 events. 12/63 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 127 event pairs, 8 based on Foata normal form. 1/64 useless extension candidates. Maximal degree in co-relation 209. Up to 20 conditions per place.
[2023-11-19 08:02:04,097 INFO L140 encePairwiseOnDemand]: 171/178 looper letters, 17 selfloop transitions, 4 changer transitions 9/31 dead transitions.
[2023-11-19 08:02:04,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 31 transitions, 204 flow
[2023-11-19 08:02:04,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 08:02:04,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2023-11-19 08:02:04,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 517 transitions.
[2023-11-19 08:02:04,100 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41492776886035315
[2023-11-19 08:02:04,100 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 517 transitions.
[2023-11-19 08:02:04,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 517 transitions.
[2023-11-19 08:02:04,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:04,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 517 transitions.
[2023-11-19 08:02:04,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 73.85714285714286) internal successors, (517), 7 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:04,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 178.0) internal successors, (1424), 8 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:04,107 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 178.0) internal successors, (1424), 8 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:04,107 INFO L175 Difference]: Start difference. First operand has 51 places, 23 transitions, 108 flow. Second operand 7 states and 517 transitions.
[2023-11-19 08:02:04,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 31 transitions, 204 flow
[2023-11-19 08:02:04,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 31 transitions, 180 flow, removed 7 selfloop flow, removed 10 redundant places.
[2023-11-19 08:02:04,109 INFO L231 Difference]: Finished difference. Result has 43 places, 21 transitions, 92 flow
[2023-11-19 08:02:04,110 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=92, PETRI_PLACES=43, PETRI_TRANSITIONS=21}
[2023-11-19 08:02:04,111 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 15 predicate places.
[2023-11-19 08:02:04,111 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 21 transitions, 92 flow
[2023-11-19 08:02:04,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 72.0) internal successors, (648), 9 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:04,112 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:04,112 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:04,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-19 08:02:04,112 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-19 08:02:04,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:04,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1706396488, now seen corresponding path program 3 times
[2023-11-19 08:02:04,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:04,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283849389]
[2023-11-19 08:02:04,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:04,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:02:07,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:07,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283849389]
[2023-11-19 08:02:07,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283849389] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:07,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:07,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2023-11-19 08:02:07,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797595982]
[2023-11-19 08:02:07,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:07,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2023-11-19 08:02:07,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:07,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2023-11-19 08:02:07,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132
[2023-11-19 08:02:07,678 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 178
[2023-11-19 08:02:07,679 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 21 transitions, 92 flow. Second operand has 12 states, 12 states have (on average 69.5) internal successors, (834), 12 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:07,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:07,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 178
[2023-11-19 08:02:07,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:08,113 INFO L124 PetriNetUnfolderBase]: 11/58 cut-off events.
[2023-11-19 08:02:08,114 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES.
[2023-11-19 08:02:08,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 58 events. 11/58 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 111 event pairs, 0 based on Foata normal form. 1/59 useless extension candidates. Maximal degree in co-relation 178. Up to 15 conditions per place.
[2023-11-19 08:02:08,116 INFO L140 encePairwiseOnDemand]: 169/178 looper letters, 17 selfloop transitions, 6 changer transitions 10/34 dead transitions.
[2023-11-19 08:02:08,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 34 transitions, 212 flow
[2023-11-19 08:02:08,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-19 08:02:08,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2023-11-19 08:02:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 642 transitions.
[2023-11-19 08:02:08,122 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40074906367041196
[2023-11-19 08:02:08,122 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 642 transitions.
[2023-11-19 08:02:08,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 642 transitions.
[2023-11-19 08:02:08,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:08,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 642 transitions.
[2023-11-19 08:02:08,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 71.33333333333333) internal successors, (642), 9 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:08,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 178.0) internal successors, (1780), 10 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:08,137 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 178.0) internal successors, (1780), 10 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:08,138 INFO L175 Difference]: Start difference. First operand has 43 places, 21 transitions, 92 flow. Second operand 9 states and 642 transitions.
[2023-11-19 08:02:08,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 34 transitions, 212 flow
[2023-11-19 08:02:08,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 34 transitions, 198 flow, removed 3 selfloop flow, removed 6 redundant places.
[2023-11-19 08:02:08,140 INFO L231 Difference]: Finished difference. Result has 45 places, 21 transitions, 100 flow
[2023-11-19 08:02:08,141 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=100, PETRI_PLACES=45, PETRI_TRANSITIONS=21}
[2023-11-19 08:02:08,142 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 17 predicate places.
[2023-11-19 08:02:08,142 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 21 transitions, 100 flow
[2023-11-19 08:02:08,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 69.5) internal successors, (834), 12 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:08,144 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:08,144 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:08,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-19 08:02:08,145 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-19 08:02:08,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:08,147 INFO L85 PathProgramCache]: Analyzing trace with hash 910285976, now seen corresponding path program 4 times
[2023-11-19 08:02:08,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:08,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683067235]
[2023-11-19 08:02:08,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:08,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:02:10,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:10,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683067235]
[2023-11-19 08:02:10,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683067235] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:10,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:10,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2023-11-19 08:02:10,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674340706]
[2023-11-19 08:02:10,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:10,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2023-11-19 08:02:10,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:10,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2023-11-19 08:02:10,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132
[2023-11-19 08:02:10,936 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 178
[2023-11-19 08:02:10,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 21 transitions, 100 flow. Second operand has 12 states, 12 states have (on average 69.5) internal successors, (834), 12 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:10,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:10,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 178
[2023-11-19 08:02:10,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:11,269 INFO L124 PetriNetUnfolderBase]: 9/43 cut-off events.
[2023-11-19 08:02:11,270 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES.
[2023-11-19 08:02:11,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 43 events. 9/43 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 68 event pairs, 0 based on Foata normal form. 1/44 useless extension candidates. Maximal degree in co-relation 145. Up to 15 conditions per place.
[2023-11-19 08:02:11,270 INFO L140 encePairwiseOnDemand]: 170/178 looper letters, 0 selfloop transitions, 0 changer transitions 25/25 dead transitions.
[2023-11-19 08:02:11,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 25 transitions, 166 flow
[2023-11-19 08:02:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-19 08:02:11,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2023-11-19 08:02:11,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 635 transitions.
[2023-11-19 08:02:11,274 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39637952559300876
[2023-11-19 08:02:11,274 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 635 transitions.
[2023-11-19 08:02:11,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 635 transitions.
[2023-11-19 08:02:11,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:11,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 635 transitions.
[2023-11-19 08:02:11,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 70.55555555555556) internal successors, (635), 9 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:11,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 178.0) internal successors, (1780), 10 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:11,282 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 178.0) internal successors, (1780), 10 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:11,282 INFO L175 Difference]: Start difference. First operand has 45 places, 21 transitions, 100 flow. Second operand 9 states and 635 transitions.
[2023-11-19 08:02:11,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 25 transitions, 166 flow
[2023-11-19 08:02:11,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 25 transitions, 144 flow, removed 3 selfloop flow, removed 9 redundant places.
[2023-11-19 08:02:11,283 INFO L231 Difference]: Finished difference. Result has 41 places, 0 transitions, 0 flow
[2023-11-19 08:02:11,284 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=41, PETRI_TRANSITIONS=0}
[2023-11-19 08:02:11,284 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 13 predicate places.
[2023-11-19 08:02:11,284 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 0 transitions, 0 flow
[2023-11-19 08:02:11,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 69.5) internal successors, (834), 12 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:02:11,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining)
[2023-11-19 08:02:11,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining)
[2023-11-19 08:02:11,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining)
[2023-11-19 08:02:11,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining)
[2023-11-19 08:02:11,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining)
[2023-11-19 08:02:11,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-11-19 08:02:11,290 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1, 1]
[2023-11-19 08:02:11,296 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 08:02:11,296 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 08:02:11,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:02:11 BasicIcfg
[2023-11-19 08:02:11,300 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 08:02:11,301 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:02:11,301 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:02:11,302 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:02:11,302 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:45" (3/4) ...
[2023-11-19 08:02:11,304 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 08:02:11,308 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2023-11-19 08:02:11,308 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2023-11-19 08:02:11,314 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges
[2023-11-19 08:02:11,315 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-11-19 08:02:11,315 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 08:02:11,316 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 08:02:11,412 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 08:02:11,413 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 08:02:11,413 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:02:11,414 INFO L158 Benchmark]: Toolchain (without parser) took 27513.30ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 134.6MB in the beginning and 180.2MB in the end (delta: -45.6MB). Peak memory consumption was 140.9MB. Max. memory is 16.1GB.
[2023-11-19 08:02:11,414 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:02:11,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 722.33ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 108.9MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2023-11-19 08:02:11,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.64ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 105.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:02:11,416 INFO L158 Benchmark]: Boogie Preprocessor took 80.09ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 103.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:02:11,416 INFO L158 Benchmark]: RCFGBuilder took 1027.68ms. Allocated memory is still 167.8MB. Free memory was 103.5MB in the beginning and 114.3MB in the end (delta: -10.7MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB.
[2023-11-19 08:02:11,417 INFO L158 Benchmark]: TraceAbstraction took 25466.63ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 113.5MB in the beginning and 184.4MB in the end (delta: -71.0MB). Peak memory consumption was 115.2MB. Max. memory is 16.1GB.
[2023-11-19 08:02:11,417 INFO L158 Benchmark]: Witness Printer took 112.02ms. Allocated memory is still 352.3MB. Free memory was 184.4MB in the beginning and 180.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 08:02:11,419 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 722.33ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 108.9MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 97.64ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 105.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 80.09ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 103.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1027.68ms. Allocated memory is still 167.8MB. Free memory was 103.5MB in the beginning and 114.3MB in the end (delta: -10.7MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 25466.63ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 113.5MB in the beginning and 184.4MB in the end (delta: -71.0MB). Peak memory consumption was 115.2MB. Max. memory is 16.1GB.
* Witness Printer took 112.02ms. Allocated memory is still 352.3MB. Free memory was 184.4MB in the beginning and 180.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 4.0s, 98 PlacesBefore, 28 PlacesAfterwards, 94 TransitionsBefore, 22 TransitionsAfterwards, 1466 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 82 TotalNumberOfCompositions, 4141 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1706, independent: 1535, independent conditional: 0, independent unconditional: 1535, dependent: 171, dependent conditional: 0, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 778, independent: 743, independent conditional: 0, independent unconditional: 743, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1706, independent: 792, independent conditional: 0, independent unconditional: 792, dependent: 136, dependent conditional: 0, dependent unconditional: 136, unknown: 778, unknown conditional: 0, unknown unconditional: 778] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- PositiveResult [Line: 18]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- PositiveResult [Line: 18]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 116 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 25.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 608 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 464 mSDsluCounter, 1029 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 979 mSDsCounter, 199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1976 IncrementalHoareTripleChecker+Invalid, 2175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 199 mSolverCounterUnsat, 50 mSDtfsCounter, 1976 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=257occurred in iteration=7, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 15.5s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 2530 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-19 08:02:11,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02d5517-e404-486e-8e6a-bba1ecf40472/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE