./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version cf1a7837
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_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl --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 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-cf1a783
[2023-11-12 02:24:34,420 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-12 02:24:34,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-12 02:24:34,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-12 02:24:34,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-12 02:24:34,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-12 02:24:34,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-12 02:24:34,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-12 02:24:34,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-12 02:24:34,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-12 02:24:34,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-12 02:24:34,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-12 02:24:34,586 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-12 02:24:34,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-12 02:24:34,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-12 02:24:34,588 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-12 02:24:34,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-12 02:24:34,589 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-12 02:24:34,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-12 02:24:34,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-12 02:24:34,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-12 02:24:34,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-12 02:24:34,592 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-12 02:24:34,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-12 02:24:34,593 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-12 02:24:34,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-12 02:24:34,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-12 02:24:34,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-12 02:24:34,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-12 02:24:34,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-12 02:24:34,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-12 02:24:34,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-12 02:24:34,597 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-12 02:24:34,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-12 02:24:34,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-12 02:24:34,598 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-12 02:24:34,598 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-12 02:24:34,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-12 02:24:34,599 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-12 02:24:34,599 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_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b
[2023-11-12 02:24:34,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-12 02:24:34,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-12 02:24:34,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-12 02:24:34,961 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-12 02:24:34,961 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-12 02:24:34,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i
[2023-11-12 02:24:38,089 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-12 02:24:38,482 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-12 02:24:38,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i
[2023-11-12 02:24:38,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl/data/ccff782fc/bd8d31434b714028b61e06aff41a5b2d/FLAG8360d21f2
[2023-11-12 02:24:38,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl/data/ccff782fc/bd8d31434b714028b61e06aff41a5b2d
[2023-11-12 02:24:38,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-12 02:24:38,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-12 02:24:38,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-12 02:24:38,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-12 02:24:38,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-12 02:24:38,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:24:38" (1/1) ...
[2023-11-12 02:24:38,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33064e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38, skipping insertion in model container
[2023-11-12 02:24:38,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:24:38" (1/1) ...
[2023-11-12 02:24:38,628 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-12 02:24:38,830 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_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i[994,1007]
[2023-11-12 02:24:39,076 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-12 02:24:39,088 INFO L202 MainTranslator]: Completed pre-run
[2023-11-12 02:24:39,101 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_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i[994,1007]
[2023-11-12 02:24:39,165 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-12 02:24:39,230 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-12 02:24:39,231 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-12 02:24:39,239 INFO L206 MainTranslator]: Completed translation
[2023-11-12 02:24:39,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:39 WrapperNode
[2023-11-12 02:24:39,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-12 02:24:39,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-12 02:24:39,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-12 02:24:39,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-12 02:24:39,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:39" (1/1) ...
[2023-11-12 02:24:39,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:39" (1/1) ...
[2023-11-12 02:24:39,344 INFO L138 Inliner]: procedures = 177, calls = 88, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 194
[2023-11-12 02:24:39,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-12 02:24:39,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-12 02:24:39,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-12 02:24:39,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-12 02:24:39,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:39" (1/1) ...
[2023-11-12 02:24:39,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:39" (1/1) ...
[2023-11-12 02:24:39,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:39" (1/1) ...
[2023-11-12 02:24:39,360 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:39" (1/1) ...
[2023-11-12 02:24:39,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:39" (1/1) ...
[2023-11-12 02:24:39,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:39" (1/1) ...
[2023-11-12 02:24:39,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:39" (1/1) ...
[2023-11-12 02:24:39,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:39" (1/1) ...
[2023-11-12 02:24:39,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-12 02:24:39,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-12 02:24:39,390 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-12 02:24:39,390 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-12 02:24:39,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:39" (1/1) ...
[2023-11-12 02:24:39,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-12 02:24:39,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:24:39,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-12 02:24:39,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d64e1e-f2ff-4bb5-9c6c-18acc4545cf2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-12 02:24:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-12 02:24:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-12 02:24:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-12 02:24:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-12 02:24:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-12 02:24:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-12 02:24:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2023-11-12 02:24:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2023-11-12 02:24:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2023-11-12 02:24:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2023-11-12 02:24:39,488 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2023-11-12 02:24:39,488 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2023-11-12 02:24:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure P3
[2023-11-12 02:24:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure P3
[2023-11-12 02:24:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-12 02:24:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-12 02:24:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-12 02:24:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-12 02:24:39,492 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-12 02:24:39,680 INFO L236 CfgBuilder]: Building ICFG
[2023-11-12 02:24:39,683 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-12 02:24:40,210 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-12 02:24:40,652 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-12 02:24:40,653 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-12 02:24:40,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:24:40 BoogieIcfgContainer
[2023-11-12 02:24:40,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-12 02:24:40,660 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-12 02:24:40,660 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-12 02:24:40,664 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-12 02:24:40,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:24:38" (1/3) ...
[2023-11-12 02:24:40,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b4f163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:24:40, skipping insertion in model container
[2023-11-12 02:24:40,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:39" (2/3) ...
[2023-11-12 02:24:40,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b4f163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:24:40, skipping insertion in model container
[2023-11-12 02:24:40,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:24:40" (3/3) ...
[2023-11-12 02:24:40,670 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_power.opt.i
[2023-11-12 02:24:40,679 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-12 02:24:40,689 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-12 02:24:40,690 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-12 02:24:40,690 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-12 02:24:40,796 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-12 02:24:40,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 160 places, 149 transitions, 314 flow
[2023-11-12 02:24:40,956 INFO L124 PetriNetUnfolderBase]: 2/145 cut-off events.
[2023-11-12 02:24:40,956 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-12 02:24:40,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 145 events. 2/145 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place.
[2023-11-12 02:24:40,964 INFO L82 GeneralOperation]: Start removeDead. Operand has 160 places, 149 transitions, 314 flow
[2023-11-12 02:24:40,969 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 156 places, 145 transitions, 302 flow
[2023-11-12 02:24:40,974 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-12 02:24:40,984 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 145 transitions, 302 flow
[2023-11-12 02:24:40,987 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 145 transitions, 302 flow
[2023-11-12 02:24:40,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 156 places, 145 transitions, 302 flow
[2023-11-12 02:24:41,023 INFO L124 PetriNetUnfolderBase]: 2/145 cut-off events.
[2023-11-12 02:24:41,024 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-12 02:24:41,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 145 events. 2/145 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place.
[2023-11-12 02:24:41,028 INFO L119 LiptonReduction]: Number of co-enabled transitions 2872
[2023-11-12 02:24:52,217 INFO L134 LiptonReduction]: Checked pairs total: 6591
[2023-11-12 02:24:52,218 INFO L136 LiptonReduction]: Total number of compositions: 130
[2023-11-12 02:24:52,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-12 02:24:52,241 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;@27483913, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-12 02:24:52,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2023-11-12 02:24:52,246 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-12 02:24:52,246 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events.
[2023-11-12 02:24:52,246 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-12 02:24:52,246 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-12 02:24:52,247 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-11-12 02:24:52,248 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-12 02:24:52,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:24:52,258 INFO L85 PathProgramCache]: Analyzing trace with hash 935016916, now seen corresponding path program 1 times
[2023-11-12 02:24:52,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:24:52,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176402044]
[2023-11-12 02:24:52,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:24:52,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:24:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:24:52,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:24:52,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:24:52,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176402044]
[2023-11-12 02:24:52,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176402044] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:24:52,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:24:52,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-12 02:24:52,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215583885]
[2023-11-12 02:24:52,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:24:52,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:24:52,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:24:52,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:24:52,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:24:52,925 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 279
[2023-11-12 02:24:52,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 26 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:52,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-12 02:24:52,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 279
[2023-11-12 02:24:52,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-12 02:24:54,715 INFO L124 PetriNetUnfolderBase]: 3927/5384 cut-off events.
[2023-11-12 02:24:54,715 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES.
[2023-11-12 02:24:54,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10936 conditions, 5384 events. 3927/5384 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 26211 event pairs, 717 based on Foata normal form. 0/5124 useless extension candidates. Maximal degree in co-relation 10924. Up to 4291 conditions per place.
[2023-11-12 02:24:54,763 INFO L140 encePairwiseOnDemand]: 276/279 looper letters, 37 selfloop transitions, 2 changer transitions 2/42 dead transitions.
[2023-11-12 02:24:54,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 42 transitions, 184 flow
[2023-11-12 02:24:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-12 02:24:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-12 02:24:54,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions.
[2023-11-12 02:24:54,785 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5232974910394266
[2023-11-12 02:24:54,786 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 438 transitions.
[2023-11-12 02:24:54,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 438 transitions.
[2023-11-12 02:24:54,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-12 02:24:54,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 438 transitions.
[2023-11-12 02:24:54,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:54,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:54,809 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:54,811 INFO L175 Difference]: Start difference. First operand has 39 places, 26 transitions, 64 flow. Second operand 3 states and 438 transitions.
[2023-11-12 02:24:54,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 42 transitions, 184 flow
[2023-11-12 02:24:54,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 42 transitions, 178 flow, removed 0 selfloop flow, removed 4 redundant places.
[2023-11-12 02:24:54,820 INFO L231 Difference]: Finished difference. Result has 36 places, 24 transitions, 60 flow
[2023-11-12 02:24:54,822 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=36, PETRI_TRANSITIONS=24}
[2023-11-12 02:24:54,828 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -3 predicate places.
[2023-11-12 02:24:54,828 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 24 transitions, 60 flow
[2023-11-12 02:24:54,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:54,829 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-12 02:24:54,829 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:24:54,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-12 02:24:54,830 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-12 02:24:54,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:24:54,842 INFO L85 PathProgramCache]: Analyzing trace with hash -197048381, now seen corresponding path program 1 times
[2023-11-12 02:24:54,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:24:54,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459665104]
[2023-11-12 02:24:54,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:24:54,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:24:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:24:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:24:55,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:24:55,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459665104]
[2023-11-12 02:24:55,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459665104] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:24:55,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:24:55,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-12 02:24:55,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98767028]
[2023-11-12 02:24:55,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:24:55,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:24:55,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:24:55,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:24:55,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:24:55,170 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 279
[2023-11-12 02:24:55,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 24 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:55,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-12 02:24:55,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 279
[2023-11-12 02:24:55,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-12 02:24:56,504 INFO L124 PetriNetUnfolderBase]: 2951/4088 cut-off events.
[2023-11-12 02:24:56,504 INFO L125 PetriNetUnfolderBase]: For 279/279 co-relation queries the response was YES.
[2023-11-12 02:24:56,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8622 conditions, 4088 events. 2951/4088 cut-off events. For 279/279 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 19360 event pairs, 551 based on Foata normal form. 64/4148 useless extension candidates. Maximal degree in co-relation 8612. Up to 3423 conditions per place.
[2023-11-12 02:24:56,542 INFO L140 encePairwiseOnDemand]: 276/279 looper letters, 38 selfloop transitions, 2 changer transitions 0/41 dead transitions.
[2023-11-12 02:24:56,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 41 transitions, 182 flow
[2023-11-12 02:24:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-12 02:24:56,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-12 02:24:56,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 434 transitions.
[2023-11-12 02:24:56,545 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5185185185185185
[2023-11-12 02:24:56,546 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 434 transitions.
[2023-11-12 02:24:56,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 434 transitions.
[2023-11-12 02:24:56,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-12 02:24:56,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 434 transitions.
[2023-11-12 02:24:56,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:56,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:56,557 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:56,558 INFO L175 Difference]: Start difference. First operand has 36 places, 24 transitions, 60 flow. Second operand 3 states and 434 transitions.
[2023-11-12 02:24:56,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 41 transitions, 182 flow
[2023-11-12 02:24:56,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 41 transitions, 176 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-12 02:24:56,567 INFO L231 Difference]: Finished difference. Result has 36 places, 24 transitions, 64 flow
[2023-11-12 02:24:56,568 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=36, PETRI_TRANSITIONS=24}
[2023-11-12 02:24:56,569 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -3 predicate places.
[2023-11-12 02:24:56,569 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 24 transitions, 64 flow
[2023-11-12 02:24:56,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:56,570 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-12 02:24:56,570 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:24:56,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-12 02:24:56,570 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-12 02:24:56,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:24:56,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1813533446, now seen corresponding path program 1 times
[2023-11-12 02:24:56,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:24:56,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750814237]
[2023-11-12 02:24:56,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:24:56,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:24:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:24:56,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:24:56,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:24:56,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750814237]
[2023-11-12 02:24:56,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750814237] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:24:56,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:24:56,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-12 02:24:56,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338596296]
[2023-11-12 02:24:56,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:24:56,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-12 02:24:56,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:24:56,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-12 02:24:56,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-12 02:24:56,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 279
[2023-11-12 02:24:56,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 24 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:56,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-12 02:24:56,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 279
[2023-11-12 02:24:56,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-12 02:24:58,374 INFO L124 PetriNetUnfolderBase]: 3879/5416 cut-off events.
[2023-11-12 02:24:58,374 INFO L125 PetriNetUnfolderBase]: For 485/485 co-relation queries the response was YES.
[2023-11-12 02:24:58,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11595 conditions, 5416 events. 3879/5416 cut-off events. For 485/485 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 25531 event pairs, 807 based on Foata normal form. 192/5588 useless extension candidates. Maximal degree in co-relation 11584. Up to 2209 conditions per place.
[2023-11-12 02:24:58,408 INFO L140 encePairwiseOnDemand]: 275/279 looper letters, 38 selfloop transitions, 3 changer transitions 5/47 dead transitions.
[2023-11-12 02:24:58,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 47 transitions, 205 flow
[2023-11-12 02:24:58,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-12 02:24:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-12 02:24:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 564 transitions.
[2023-11-12 02:24:58,411 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5053763440860215
[2023-11-12 02:24:58,411 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 564 transitions.
[2023-11-12 02:24:58,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 564 transitions.
[2023-11-12 02:24:58,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-12 02:24:58,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 564 transitions.
[2023-11-12 02:24:58,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:58,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 279.0) internal successors, (1395), 5 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:58,419 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 279.0) internal successors, (1395), 5 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:58,419 INFO L175 Difference]: Start difference. First operand has 36 places, 24 transitions, 64 flow. Second operand 4 states and 564 transitions.
[2023-11-12 02:24:58,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 47 transitions, 205 flow
[2023-11-12 02:24:58,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 47 transitions, 199 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-12 02:24:58,422 INFO L231 Difference]: Finished difference. Result has 39 places, 24 transitions, 74 flow
[2023-11-12 02:24:58,422 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=74, PETRI_PLACES=39, PETRI_TRANSITIONS=24}
[2023-11-12 02:24:58,424 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 0 predicate places.
[2023-11-12 02:24:58,428 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 24 transitions, 74 flow
[2023-11-12 02:24:58,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:58,429 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-12 02:24:58,429 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:24:58,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-12 02:24:58,430 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-12 02:24:58,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:24:58,430 INFO L85 PathProgramCache]: Analyzing trace with hash -384988856, now seen corresponding path program 1 times
[2023-11-12 02:24:58,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:24:58,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401725558]
[2023-11-12 02:24:58,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:24:58,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:24:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:24:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:24:58,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:24:58,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401725558]
[2023-11-12 02:24:58,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401725558] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:24:58,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:24:58,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-12 02:24:58,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112619157]
[2023-11-12 02:24:58,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:24:58,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:24:58,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:24:58,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:24:58,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:24:58,776 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 279
[2023-11-12 02:24:58,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 24 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:58,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-12 02:24:58,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 279
[2023-11-12 02:24:58,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-12 02:24:59,750 INFO L124 PetriNetUnfolderBase]: 1944/2883 cut-off events.
[2023-11-12 02:24:59,750 INFO L125 PetriNetUnfolderBase]: For 1116/1116 co-relation queries the response was YES.
[2023-11-12 02:24:59,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6505 conditions, 2883 events. 1944/2883 cut-off events. For 1116/1116 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 13744 event pairs, 366 based on Foata normal form. 36/2919 useless extension candidates. Maximal degree in co-relation 6492. Up to 2251 conditions per place.
[2023-11-12 02:24:59,772 INFO L140 encePairwiseOnDemand]: 276/279 looper letters, 34 selfloop transitions, 2 changer transitions 0/37 dead transitions.
[2023-11-12 02:24:59,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 37 transitions, 182 flow
[2023-11-12 02:24:59,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-12 02:24:59,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-12 02:24:59,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions.
[2023-11-12 02:24:59,775 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5209080047789725
[2023-11-12 02:24:59,775 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 436 transitions.
[2023-11-12 02:24:59,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 436 transitions.
[2023-11-12 02:24:59,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-12 02:24:59,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 436 transitions.
[2023-11-12 02:24:59,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:59,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:59,782 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:59,782 INFO L175 Difference]: Start difference. First operand has 39 places, 24 transitions, 74 flow. Second operand 3 states and 436 transitions.
[2023-11-12 02:24:59,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 37 transitions, 182 flow
[2023-11-12 02:24:59,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 37 transitions, 162 flow, removed 2 selfloop flow, removed 5 redundant places.
[2023-11-12 02:24:59,787 INFO L231 Difference]: Finished difference. Result has 37 places, 24 transitions, 68 flow
[2023-11-12 02:24:59,788 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=37, PETRI_TRANSITIONS=24}
[2023-11-12 02:24:59,789 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -2 predicate places.
[2023-11-12 02:24:59,789 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 24 transitions, 68 flow
[2023-11-12 02:24:59,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:24:59,790 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-12 02:24:59,790 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:24:59,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-12 02:24:59,790 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-12 02:24:59,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:24:59,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1771478497, now seen corresponding path program 1 times
[2023-11-12 02:24:59,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:24:59,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556924221]
[2023-11-12 02:24:59,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:24:59,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:24:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:25:01,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:25:01,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:25:01,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556924221]
[2023-11-12 02:25:01,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556924221] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:25:01,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:25:01,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-12 02:25:01,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608940649]
[2023-11-12 02:25:01,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:25:01,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-12 02:25:01,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:25:01,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-12 02:25:01,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-11-12 02:25:02,158 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 279
[2023-11-12 02:25:02,159 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 24 transitions, 68 flow. Second operand has 7 states, 7 states have (on average 125.0) internal successors, (875), 7 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:02,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-12 02:25:02,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 279
[2023-11-12 02:25:02,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-12 02:25:03,341 INFO L124 PetriNetUnfolderBase]: 2595/3777 cut-off events.
[2023-11-12 02:25:03,341 INFO L125 PetriNetUnfolderBase]: For 565/565 co-relation queries the response was YES.
[2023-11-12 02:25:03,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8259 conditions, 3777 events. 2595/3777 cut-off events. For 565/565 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 19010 event pairs, 558 based on Foata normal form. 54/3831 useless extension candidates. Maximal degree in co-relation 8248. Up to 2448 conditions per place.
[2023-11-12 02:25:03,373 INFO L140 encePairwiseOnDemand]: 269/279 looper letters, 54 selfloop transitions, 11 changer transitions 0/66 dead transitions.
[2023-11-12 02:25:03,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 66 transitions, 303 flow
[2023-11-12 02:25:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-12 02:25:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-12 02:25:03,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 682 transitions.
[2023-11-12 02:25:03,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4888888888888889
[2023-11-12 02:25:03,377 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 682 transitions.
[2023-11-12 02:25:03,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 682 transitions.
[2023-11-12 02:25:03,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-12 02:25:03,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 682 transitions.
[2023-11-12 02:25:03,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 136.4) internal successors, (682), 5 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:03,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 279.0) internal successors, (1674), 6 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:03,388 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 279.0) internal successors, (1674), 6 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:03,388 INFO L175 Difference]: Start difference. First operand has 37 places, 24 transitions, 68 flow. Second operand 5 states and 682 transitions.
[2023-11-12 02:25:03,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 66 transitions, 303 flow
[2023-11-12 02:25:03,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 66 transitions, 297 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-12 02:25:03,393 INFO L231 Difference]: Finished difference. Result has 42 places, 33 transitions, 139 flow
[2023-11-12 02:25:03,393 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=139, PETRI_PLACES=42, PETRI_TRANSITIONS=33}
[2023-11-12 02:25:03,395 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 3 predicate places.
[2023-11-12 02:25:03,396 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 33 transitions, 139 flow
[2023-11-12 02:25:03,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 125.0) internal successors, (875), 7 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:03,397 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-12 02:25:03,397 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:25:03,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-12 02:25:03,398 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-12 02:25:03,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:25:03,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1854010427, now seen corresponding path program 2 times
[2023-11-12 02:25:03,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:25:03,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364601998]
[2023-11-12 02:25:03,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:25:03,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:25:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:25:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:25:04,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:25:04,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364601998]
[2023-11-12 02:25:04,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364601998] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:25:04,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:25:04,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-12 02:25:04,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855747782]
[2023-11-12 02:25:04,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:25:04,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-12 02:25:04,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:25:04,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-12 02:25:04,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-12 02:25:04,780 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 279
[2023-11-12 02:25:04,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 33 transitions, 139 flow. Second operand has 6 states, 6 states have (on average 124.33333333333333) internal successors, (746), 6 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:04,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-12 02:25:04,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 279
[2023-11-12 02:25:04,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-12 02:25:06,172 INFO L124 PetriNetUnfolderBase]: 2837/4112 cut-off events.
[2023-11-12 02:25:06,172 INFO L125 PetriNetUnfolderBase]: For 2500/2500 co-relation queries the response was YES.
[2023-11-12 02:25:06,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11651 conditions, 4112 events. 2837/4112 cut-off events. For 2500/2500 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 20873 event pairs, 602 based on Foata normal form. 54/4165 useless extension candidates. Maximal degree in co-relation 11637. Up to 2563 conditions per place.
[2023-11-12 02:25:06,209 INFO L140 encePairwiseOnDemand]: 269/279 looper letters, 52 selfloop transitions, 16 changer transitions 0/69 dead transitions.
[2023-11-12 02:25:06,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 69 transitions, 392 flow
[2023-11-12 02:25:06,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-12 02:25:06,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-12 02:25:06,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 674 transitions.
[2023-11-12 02:25:06,214 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4831541218637993
[2023-11-12 02:25:06,214 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 674 transitions.
[2023-11-12 02:25:06,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 674 transitions.
[2023-11-12 02:25:06,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-12 02:25:06,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 674 transitions.
[2023-11-12 02:25:06,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.8) internal successors, (674), 5 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:06,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 279.0) internal successors, (1674), 6 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:06,222 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 279.0) internal successors, (1674), 6 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:06,223 INFO L175 Difference]: Start difference. First operand has 42 places, 33 transitions, 139 flow. Second operand 5 states and 674 transitions.
[2023-11-12 02:25:06,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 69 transitions, 392 flow
[2023-11-12 02:25:06,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 69 transitions, 383 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-12 02:25:06,233 INFO L231 Difference]: Finished difference. Result has 47 places, 39 transitions, 217 flow
[2023-11-12 02:25:06,234 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=217, PETRI_PLACES=47, PETRI_TRANSITIONS=39}
[2023-11-12 02:25:06,237 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 8 predicate places.
[2023-11-12 02:25:06,237 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 39 transitions, 217 flow
[2023-11-12 02:25:06,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.33333333333333) internal successors, (746), 6 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:06,238 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-12 02:25:06,238 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:25:06,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-12 02:25:06,239 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-12 02:25:06,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:25:06,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1659976621, now seen corresponding path program 1 times
[2023-11-12 02:25:06,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:25:06,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710793886]
[2023-11-12 02:25:06,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:25:06,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:25:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:25:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:25:06,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:25:06,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710793886]
[2023-11-12 02:25:06,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710793886] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:25:06,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:25:06,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-12 02:25:06,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290387288]
[2023-11-12 02:25:06,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:25:06,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:25:06,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:25:06,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:25:06,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:25:06,554 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 279
[2023-11-12 02:25:06,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 217 flow. Second operand has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:06,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-12 02:25:06,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 279
[2023-11-12 02:25:06,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-12 02:25:07,214 INFO L124 PetriNetUnfolderBase]: 1963/2854 cut-off events.
[2023-11-12 02:25:07,214 INFO L125 PetriNetUnfolderBase]: For 4802/4812 co-relation queries the response was YES.
[2023-11-12 02:25:07,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10170 conditions, 2854 events. 1963/2854 cut-off events. For 4802/4812 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 12966 event pairs, 385 based on Foata normal form. 107/2960 useless extension candidates. Maximal degree in co-relation 10153. Up to 2506 conditions per place.
[2023-11-12 02:25:07,232 INFO L140 encePairwiseOnDemand]: 273/279 looper letters, 62 selfloop transitions, 5 changer transitions 0/68 dead transitions.
[2023-11-12 02:25:07,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 68 transitions, 513 flow
[2023-11-12 02:25:07,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-12 02:25:07,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-12 02:25:07,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 424 transitions.
[2023-11-12 02:25:07,235 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5065710872162486
[2023-11-12 02:25:07,235 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 424 transitions.
[2023-11-12 02:25:07,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 424 transitions.
[2023-11-12 02:25:07,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-12 02:25:07,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 424 transitions.
[2023-11-12 02:25:07,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:07,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:07,240 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:07,240 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 217 flow. Second operand 3 states and 424 transitions.
[2023-11-12 02:25:07,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 68 transitions, 513 flow
[2023-11-12 02:25:07,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 68 transitions, 490 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-12 02:25:07,246 INFO L231 Difference]: Finished difference. Result has 49 places, 43 transitions, 237 flow
[2023-11-12 02:25:07,246 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=237, PETRI_PLACES=49, PETRI_TRANSITIONS=43}
[2023-11-12 02:25:07,247 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 10 predicate places.
[2023-11-12 02:25:07,247 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 43 transitions, 237 flow
[2023-11-12 02:25:07,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:07,248 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-12 02:25:07,248 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:25:07,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-12 02:25:07,249 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-12 02:25:07,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:25:07,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1693879939, now seen corresponding path program 1 times
[2023-11-12 02:25:07,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:25:07,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671992275]
[2023-11-12 02:25:07,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:25:07,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:25:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:25:07,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:25:07,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:25:07,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671992275]
[2023-11-12 02:25:07,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671992275] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:25:07,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:25:07,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-12 02:25:07,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274683505]
[2023-11-12 02:25:07,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:25:07,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-12 02:25:07,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:25:07,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-12 02:25:07,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-12 02:25:07,500 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 279
[2023-11-12 02:25:07,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 43 transitions, 237 flow. Second operand has 4 states, 4 states have (on average 132.25) internal successors, (529), 4 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:07,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-12 02:25:07,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 279
[2023-11-12 02:25:07,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-12 02:25:08,024 INFO L124 PetriNetUnfolderBase]: 1057/1640 cut-off events.
[2023-11-12 02:25:08,024 INFO L125 PetriNetUnfolderBase]: For 2861/2871 co-relation queries the response was YES.
[2023-11-12 02:25:08,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6358 conditions, 1640 events. 1057/1640 cut-off events. For 2861/2871 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 7280 event pairs, 173 based on Foata normal form. 140/1779 useless extension candidates. Maximal degree in co-relation 6339. Up to 835 conditions per place.
[2023-11-12 02:25:08,038 INFO L140 encePairwiseOnDemand]: 273/279 looper letters, 83 selfloop transitions, 9 changer transitions 0/93 dead transitions.
[2023-11-12 02:25:08,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 93 transitions, 707 flow
[2023-11-12 02:25:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-12 02:25:08,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-12 02:25:08,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 566 transitions.
[2023-11-12 02:25:08,042 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.507168458781362
[2023-11-12 02:25:08,042 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 566 transitions.
[2023-11-12 02:25:08,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 566 transitions.
[2023-11-12 02:25:08,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-12 02:25:08,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 566 transitions.
[2023-11-12 02:25:08,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 141.5) internal successors, (566), 4 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:08,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 279.0) internal successors, (1395), 5 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:08,050 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 279.0) internal successors, (1395), 5 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:08,050 INFO L175 Difference]: Start difference. First operand has 49 places, 43 transitions, 237 flow. Second operand 4 states and 566 transitions.
[2023-11-12 02:25:08,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 93 transitions, 707 flow
[2023-11-12 02:25:08,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 93 transitions, 702 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-12 02:25:08,056 INFO L231 Difference]: Finished difference. Result has 52 places, 47 transitions, 284 flow
[2023-11-12 02:25:08,057 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=284, PETRI_PLACES=52, PETRI_TRANSITIONS=47}
[2023-11-12 02:25:08,059 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 13 predicate places.
[2023-11-12 02:25:08,059 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 47 transitions, 284 flow
[2023-11-12 02:25:08,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 132.25) internal successors, (529), 4 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:08,060 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-12 02:25:08,060 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:25:08,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-12 02:25:08,060 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-12 02:25:08,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:25:08,061 INFO L85 PathProgramCache]: Analyzing trace with hash -2108577813, now seen corresponding path program 1 times
[2023-11-12 02:25:08,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:25:08,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138494905]
[2023-11-12 02:25:08,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:25:08,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:25:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:25:08,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:25:08,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:25:08,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138494905]
[2023-11-12 02:25:08,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138494905] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:25:08,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:25:08,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-12 02:25:08,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748902606]
[2023-11-12 02:25:08,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:25:08,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-12 02:25:08,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:25:08,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-12 02:25:08,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2023-11-12 02:25:08,372 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 279
[2023-11-12 02:25:08,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 47 transitions, 284 flow. Second operand has 5 states, 5 states have (on average 131.8) internal successors, (659), 5 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:08,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-12 02:25:08,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 279
[2023-11-12 02:25:08,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-12 02:25:08,742 INFO L124 PetriNetUnfolderBase]: 743/1168 cut-off events.
[2023-11-12 02:25:08,742 INFO L125 PetriNetUnfolderBase]: For 2739/2749 co-relation queries the response was YES.
[2023-11-12 02:25:08,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4880 conditions, 1168 events. 743/1168 cut-off events. For 2739/2749 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 4910 event pairs, 133 based on Foata normal form. 69/1236 useless extension candidates. Maximal degree in co-relation 4859. Up to 484 conditions per place.
[2023-11-12 02:25:08,751 INFO L140 encePairwiseOnDemand]: 273/279 looper letters, 93 selfloop transitions, 13 changer transitions 0/107 dead transitions.
[2023-11-12 02:25:08,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 107 transitions, 852 flow
[2023-11-12 02:25:08,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-12 02:25:08,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-12 02:25:08,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 705 transitions.
[2023-11-12 02:25:08,755 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5053763440860215
[2023-11-12 02:25:08,755 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 705 transitions.
[2023-11-12 02:25:08,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 705 transitions.
[2023-11-12 02:25:08,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-12 02:25:08,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 705 transitions.
[2023-11-12 02:25:08,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 141.0) internal successors, (705), 5 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:08,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 279.0) internal successors, (1674), 6 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:08,763 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 279.0) internal successors, (1674), 6 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:08,763 INFO L175 Difference]: Start difference. First operand has 52 places, 47 transitions, 284 flow. Second operand 5 states and 705 transitions.
[2023-11-12 02:25:08,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 107 transitions, 852 flow
[2023-11-12 02:25:08,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 107 transitions, 834 flow, removed 4 selfloop flow, removed 2 redundant places.
[2023-11-12 02:25:08,770 INFO L231 Difference]: Finished difference. Result has 55 places, 51 transitions, 334 flow
[2023-11-12 02:25:08,770 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=334, PETRI_PLACES=55, PETRI_TRANSITIONS=51}
[2023-11-12 02:25:08,771 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 16 predicate places.
[2023-11-12 02:25:08,771 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 51 transitions, 334 flow
[2023-11-12 02:25:08,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 131.8) internal successors, (659), 5 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:08,772 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-12 02:25:08,772 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:25:08,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-12 02:25:08,773 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-12 02:25:08,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:25:08,773 INFO L85 PathProgramCache]: Analyzing trace with hash 980117679, now seen corresponding path program 1 times
[2023-11-12 02:25:08,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:25:08,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389823972]
[2023-11-12 02:25:08,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:25:08,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:25:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:25:11,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:25:11,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:25:11,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389823972]
[2023-11-12 02:25:11,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389823972] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:25:11,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:25:11,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-11-12 02:25:11,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413621117]
[2023-11-12 02:25:11,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:25:11,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-11-12 02:25:11,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:25:11,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-11-12 02:25:11,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2023-11-12 02:25:11,318 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 279
[2023-11-12 02:25:11,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 51 transitions, 334 flow. Second operand has 9 states, 9 states have (on average 123.33333333333333) internal successors, (1110), 9 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:11,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-12 02:25:11,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 279
[2023-11-12 02:25:11,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-12 02:25:12,471 INFO L124 PetriNetUnfolderBase]: 1129/1855 cut-off events.
[2023-11-12 02:25:12,471 INFO L125 PetriNetUnfolderBase]: For 4443/4453 co-relation queries the response was YES.
[2023-11-12 02:25:12,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7862 conditions, 1855 events. 1129/1855 cut-off events. For 4443/4453 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 9675 event pairs, 186 based on Foata normal form. 15/1869 useless extension candidates. Maximal degree in co-relation 7840. Up to 749 conditions per place.
[2023-11-12 02:25:12,485 INFO L140 encePairwiseOnDemand]: 270/279 looper letters, 121 selfloop transitions, 17 changer transitions 33/172 dead transitions.
[2023-11-12 02:25:12,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 172 transitions, 1528 flow
[2023-11-12 02:25:12,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-11-12 02:25:12,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2023-11-12 02:25:12,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1067 transitions.
[2023-11-12 02:25:12,492 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47804659498207885
[2023-11-12 02:25:12,492 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1067 transitions.
[2023-11-12 02:25:12,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1067 transitions.
[2023-11-12 02:25:12,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-12 02:25:12,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1067 transitions.
[2023-11-12 02:25:12,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 133.375) internal successors, (1067), 8 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:12,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 279.0) internal successors, (2511), 9 states have internal predecessors, (2511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:12,503 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 279.0) internal successors, (2511), 9 states have internal predecessors, (2511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:12,504 INFO L175 Difference]: Start difference. First operand has 55 places, 51 transitions, 334 flow. Second operand 8 states and 1067 transitions.
[2023-11-12 02:25:12,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 172 transitions, 1528 flow
[2023-11-12 02:25:12,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 172 transitions, 1334 flow, removed 48 selfloop flow, removed 3 redundant places.
[2023-11-12 02:25:12,524 INFO L231 Difference]: Finished difference. Result has 63 places, 58 transitions, 410 flow
[2023-11-12 02:25:12,524 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=410, PETRI_PLACES=63, PETRI_TRANSITIONS=58}
[2023-11-12 02:25:12,525 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 24 predicate places.
[2023-11-12 02:25:12,525 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 58 transitions, 410 flow
[2023-11-12 02:25:12,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 123.33333333333333) internal successors, (1110), 9 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:12,526 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-12 02:25:12,526 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:25:12,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-12 02:25:12,527 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-12 02:25:12,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:25:12,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1616512045, now seen corresponding path program 2 times
[2023-11-12 02:25:12,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:25:12,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408983927]
[2023-11-12 02:25:12,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:25:12,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:25:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:25:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:25:12,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:25:12,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408983927]
[2023-11-12 02:25:12,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408983927] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:25:12,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:25:12,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-12 02:25:12,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256909115]
[2023-11-12 02:25:12,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:25:12,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-12 02:25:12,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:25:12,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-12 02:25:12,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-12 02:25:12,930 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 279
[2023-11-12 02:25:12,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 58 transitions, 410 flow. Second operand has 6 states, 6 states have (on average 131.5) internal successors, (789), 6 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:12,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-12 02:25:12,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 279
[2023-11-12 02:25:12,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-12 02:25:13,496 INFO L124 PetriNetUnfolderBase]: 996/1565 cut-off events.
[2023-11-12 02:25:13,497 INFO L125 PetriNetUnfolderBase]: For 6692/6707 co-relation queries the response was YES.
[2023-11-12 02:25:13,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7439 conditions, 1565 events. 996/1565 cut-off events. For 6692/6707 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 7396 event pairs, 141 based on Foata normal form. 29/1593 useless extension candidates. Maximal degree in co-relation 7413. Up to 650 conditions per place.
[2023-11-12 02:25:13,512 INFO L140 encePairwiseOnDemand]: 273/279 looper letters, 110 selfloop transitions, 17 changer transitions 0/128 dead transitions.
[2023-11-12 02:25:13,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 128 transitions, 1235 flow
[2023-11-12 02:25:13,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-12 02:25:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-12 02:25:13,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 833 transitions.
[2023-11-12 02:25:13,516 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.497610513739546
[2023-11-12 02:25:13,517 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 833 transitions.
[2023-11-12 02:25:13,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 833 transitions.
[2023-11-12 02:25:13,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-12 02:25:13,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 833 transitions.
[2023-11-12 02:25:13,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 138.83333333333334) internal successors, (833), 6 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:13,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:13,525 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:13,526 INFO L175 Difference]: Start difference. First operand has 63 places, 58 transitions, 410 flow. Second operand 6 states and 833 transitions.
[2023-11-12 02:25:13,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 128 transitions, 1235 flow
[2023-11-12 02:25:13,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 128 transitions, 1125 flow, removed 27 selfloop flow, removed 7 redundant places.
[2023-11-12 02:25:13,553 INFO L231 Difference]: Finished difference. Result has 60 places, 56 transitions, 393 flow
[2023-11-12 02:25:13,553 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=349, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=393, PETRI_PLACES=60, PETRI_TRANSITIONS=56}
[2023-11-12 02:25:13,554 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 21 predicate places.
[2023-11-12 02:25:13,554 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 56 transitions, 393 flow
[2023-11-12 02:25:13,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 131.5) internal successors, (789), 6 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:13,555 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-12 02:25:13,555 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:25:13,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-12 02:25:13,555 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-12 02:25:13,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:25:13,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1571943769, now seen corresponding path program 1 times
[2023-11-12 02:25:13,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:25:13,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628969400]
[2023-11-12 02:25:13,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:25:13,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:25:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:25:13,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:25:13,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:25:13,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628969400]
[2023-11-12 02:25:13,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628969400] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:25:13,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:25:13,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-12 02:25:13,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848947492]
[2023-11-12 02:25:13,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:25:13,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-12 02:25:13,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:25:13,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-12 02:25:13,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-12 02:25:13,867 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 279
[2023-11-12 02:25:13,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 56 transitions, 393 flow. Second operand has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:13,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-12 02:25:13,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 279
[2023-11-12 02:25:13,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-12 02:25:14,481 INFO L124 PetriNetUnfolderBase]: 2011/3104 cut-off events.
[2023-11-12 02:25:14,481 INFO L125 PetriNetUnfolderBase]: For 11597/11597 co-relation queries the response was YES.
[2023-11-12 02:25:14,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14459 conditions, 3104 events. 2011/3104 cut-off events. For 11597/11597 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 15791 event pairs, 417 based on Foata normal form. 2/3106 useless extension candidates. Maximal degree in co-relation 14437. Up to 1604 conditions per place.
[2023-11-12 02:25:14,498 INFO L140 encePairwiseOnDemand]: 276/279 looper letters, 69 selfloop transitions, 1 changer transitions 43/113 dead transitions.
[2023-11-12 02:25:14,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 113 transitions, 1081 flow
[2023-11-12 02:25:14,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-12 02:25:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-12 02:25:14,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 560 transitions.
[2023-11-12 02:25:14,502 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5017921146953405
[2023-11-12 02:25:14,502 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 560 transitions.
[2023-11-12 02:25:14,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 560 transitions.
[2023-11-12 02:25:14,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-12 02:25:14,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 560 transitions.
[2023-11-12 02:25:14,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:14,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 279.0) internal successors, (1395), 5 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:14,508 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 279.0) internal successors, (1395), 5 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:14,508 INFO L175 Difference]: Start difference. First operand has 60 places, 56 transitions, 393 flow. Second operand 4 states and 560 transitions.
[2023-11-12 02:25:14,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 113 transitions, 1081 flow
[2023-11-12 02:25:14,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 113 transitions, 975 flow, removed 24 selfloop flow, removed 4 redundant places.
[2023-11-12 02:25:14,551 INFO L231 Difference]: Finished difference. Result has 61 places, 55 transitions, 346 flow
[2023-11-12 02:25:14,552 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=343, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=346, PETRI_PLACES=61, PETRI_TRANSITIONS=55}
[2023-11-12 02:25:14,552 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 22 predicate places.
[2023-11-12 02:25:14,552 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 55 transitions, 346 flow
[2023-11-12 02:25:14,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:14,553 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-12 02:25:14,553 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:25:14,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-11-12 02:25:14,554 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-12 02:25:14,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:25:14,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1083849573, now seen corresponding path program 2 times
[2023-11-12 02:25:14,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:25:14,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280775157]
[2023-11-12 02:25:14,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:25:14,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:25:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:25:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:25:17,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:25:17,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280775157]
[2023-11-12 02:25:17,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280775157] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:25:17,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:25:17,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2023-11-12 02:25:17,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748064632]
[2023-11-12 02:25:17,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:25:17,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2023-11-12 02:25:17,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:25:17,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2023-11-12 02:25:17,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2023-11-12 02:25:18,019 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 279
[2023-11-12 02:25:18,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 55 transitions, 346 flow. Second operand has 11 states, 11 states have (on average 119.0909090909091) internal successors, (1310), 11 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:18,021 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-12 02:25:18,021 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 279
[2023-11-12 02:25:18,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-12 02:25:18,808 INFO L124 PetriNetUnfolderBase]: 1367/2259 cut-off events.
[2023-11-12 02:25:18,809 INFO L125 PetriNetUnfolderBase]: For 6199/6199 co-relation queries the response was YES.
[2023-11-12 02:25:18,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9951 conditions, 2259 events. 1367/2259 cut-off events. For 6199/6199 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 12253 event pairs, 342 based on Foata normal form. 2/2251 useless extension candidates. Maximal degree in co-relation 9928. Up to 857 conditions per place.
[2023-11-12 02:25:18,823 INFO L140 encePairwiseOnDemand]: 272/279 looper letters, 93 selfloop transitions, 13 changer transitions 31/138 dead transitions.
[2023-11-12 02:25:18,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 138 transitions, 1103 flow
[2023-11-12 02:25:18,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-12 02:25:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-12 02:25:18,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 776 transitions.
[2023-11-12 02:25:18,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4635603345280765
[2023-11-12 02:25:18,827 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 776 transitions.
[2023-11-12 02:25:18,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 776 transitions.
[2023-11-12 02:25:18,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-12 02:25:18,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 776 transitions.
[2023-11-12 02:25:18,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.33333333333334) internal successors, (776), 6 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:18,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:18,835 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:18,835 INFO L175 Difference]: Start difference. First operand has 61 places, 55 transitions, 346 flow. Second operand 6 states and 776 transitions.
[2023-11-12 02:25:18,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 138 transitions, 1103 flow
[2023-11-12 02:25:18,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 138 transitions, 1087 flow, removed 2 selfloop flow, removed 3 redundant places.
[2023-11-12 02:25:18,870 INFO L231 Difference]: Finished difference. Result has 65 places, 54 transitions, 380 flow
[2023-11-12 02:25:18,871 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=380, PETRI_PLACES=65, PETRI_TRANSITIONS=54}
[2023-11-12 02:25:18,871 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 26 predicate places.
[2023-11-12 02:25:18,871 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 54 transitions, 380 flow
[2023-11-12 02:25:18,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 119.0909090909091) internal successors, (1310), 11 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:25:18,872 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-12 02:25:18,873 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:25:18,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2023-11-12 02:25:18,873 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-12 02:25:18,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:25:18,873 INFO L85 PathProgramCache]: Analyzing trace with hash -928270803, now seen corresponding path program 3 times
[2023-11-12 02:25:18,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:25:18,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301482168]
[2023-11-12 02:25:18,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:25:18,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:25:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat