./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix030_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a340643f
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix030_power.oepc_pso.oepc_rmo.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a6d0914923ba77f2cbf67d52dc6ec759519359118cb2f8fd5f254f95bf2b938e
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-a340643-m
[2024-01-27 16:12:40,744 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-01-27 16:12:40,825 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-01-27 16:12:40,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-01-27 16:12:40,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-01-27 16:12:40,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-01-27 16:12:40,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-01-27 16:12:40,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-01-27 16:12:40,874 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-01-27 16:12:40,878 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-01-27 16:12:40,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-01-27 16:12:40,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-01-27 16:12:40,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-01-27 16:12:40,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-01-27 16:12:40,881 INFO L153 SettingsManager]: * Use SBE=true
[2024-01-27 16:12:40,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-01-27 16:12:40,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-01-27 16:12:40,882 INFO L153 SettingsManager]: * sizeof long=4
[2024-01-27 16:12:40,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-01-27 16:12:40,883 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-01-27 16:12:40,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-01-27 16:12:40,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-01-27 16:12:40,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-01-27 16:12:40,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-01-27 16:12:40,884 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-01-27 16:12:40,885 INFO L153 SettingsManager]: * sizeof long double=12
[2024-01-27 16:12:40,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-01-27 16:12:40,885 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-01-27 16:12:40,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-01-27 16:12:40,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-01-27 16:12:40,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-01-27 16:12:40,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-01-27 16:12:40,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-01-27 16:12:40,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-01-27 16:12:40,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-01-27 16:12:40,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-01-27 16:12:40,889 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-01-27 16:12:40,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-01-27 16:12:40,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-01-27 16:12:40,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-01-27 16:12:40,890 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-01-27 16:12:40,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-01-27 16:12:40,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-01-27 16:12:40,891 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6d0914923ba77f2cbf67d52dc6ec759519359118cb2f8fd5f254f95bf2b938e
[2024-01-27 16:12:41,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-01-27 16:12:41,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-01-27 16:12:41,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-01-27 16:12:41,209 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-01-27 16:12:41,209 INFO L274 PluginConnector]: CDTParser initialized
[2024-01-27 16:12:41,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_power.oepc_pso.oepc_rmo.oepc.i
[2024-01-27 16:12:42,397 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-01-27 16:12:42,663 INFO L384 CDTParser]: Found 1 translation units.
[2024-01-27 16:12:42,663 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_power.oepc_pso.oepc_rmo.oepc.i
[2024-01-27 16:12:42,677 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/561bd8ea8/6c28a59aa89c4efa828d880af7822e2c/FLAG4ebbcb3a0
[2024-01-27 16:12:42,691 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/561bd8ea8/6c28a59aa89c4efa828d880af7822e2c
[2024-01-27 16:12:42,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-01-27 16:12:42,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-01-27 16:12:42,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-01-27 16:12:42,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-01-27 16:12:42,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-01-27 16:12:42,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 04:12:42" (1/1) ...
[2024-01-27 16:12:42,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d873dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:42, skipping insertion in model container
[2024-01-27 16:12:42,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 04:12:42" (1/1) ...
[2024-01-27 16:12:42,743 INFO L177 MainTranslator]: Built tables and reachable declarations
[2024-01-27 16:12:42,887 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_power.oepc_pso.oepc_rmo.oepc.i[969,982]
[2024-01-27 16:12:43,102 INFO L209 PostProcessor]: Analyzing one entry point: main
[2024-01-27 16:12:43,111 INFO L202 MainTranslator]: Completed pre-run
[2024-01-27 16:12:43,124 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_power.oepc_pso.oepc_rmo.oepc.i[969,982]
[2024-01-27 16:12:43,180 INFO L209 PostProcessor]: Analyzing one entry point: main
[2024-01-27 16:12:43,228 INFO L206 MainTranslator]: Completed translation
[2024-01-27 16:12:43,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:43 WrapperNode
[2024-01-27 16:12:43,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-01-27 16:12:43,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-01-27 16:12:43,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-01-27 16:12:43,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-01-27 16:12:43,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:43" (1/1) ...
[2024-01-27 16:12:43,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:43" (1/1) ...
[2024-01-27 16:12:43,301 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 142
[2024-01-27 16:12:43,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-01-27 16:12:43,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-01-27 16:12:43,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-01-27 16:12:43,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-01-27 16:12:43,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:43" (1/1) ...
[2024-01-27 16:12:43,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:43" (1/1) ...
[2024-01-27 16:12:43,328 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:43" (1/1) ...
[2024-01-27 16:12:43,355 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1].
[2024-01-27 16:12:43,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:43" (1/1) ...
[2024-01-27 16:12:43,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:43" (1/1) ...
[2024-01-27 16:12:43,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:43" (1/1) ...
[2024-01-27 16:12:43,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:43" (1/1) ...
[2024-01-27 16:12:43,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:43" (1/1) ...
[2024-01-27 16:12:43,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:43" (1/1) ...
[2024-01-27 16:12:43,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-01-27 16:12:43,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-01-27 16:12:43,386 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-01-27 16:12:43,386 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-01-27 16:12:43,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:43" (1/1) ...
[2024-01-27 16:12:43,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-01-27 16:12:43,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-01-27 16:12:43,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-01-27 16:12:43,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-01-27 16:12:43,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-01-27 16:12:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-01-27 16:12:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-01-27 16:12:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-01-27 16:12:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-01-27 16:12:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-01-27 16:12:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-01-27 16:12:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-01-27 16:12:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-01-27 16:12:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-01-27 16:12:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-01-27 16:12:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-01-27 16:12:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-01-27 16:12:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-01-27 16:12:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-01-27 16:12:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure P3
[2024-01-27 16:12:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure P3
[2024-01-27 16:12:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-01-27 16:12:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-01-27 16:12:43,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-01-27 16:12:43,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-01-27 16:12:43,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-01-27 16:12:43,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-01-27 16:12:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-01-27 16:12:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-01-27 16:12:43,482 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-01-27 16:12:43,614 INFO L244 CfgBuilder]: Building ICFG
[2024-01-27 16:12:43,616 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-01-27 16:12:43,915 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program.
[2024-01-27 16:12:43,915 INFO L293 CfgBuilder]: Performing block encoding
[2024-01-27 16:12:44,097 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-01-27 16:12:44,098 INFO L320 CfgBuilder]: Removed 0 assume(true) statements.
[2024-01-27 16:12:44,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 04:12:44 BoogieIcfgContainer
[2024-01-27 16:12:44,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-01-27 16:12:44,100 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-01-27 16:12:44,101 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-01-27 16:12:44,103 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-01-27 16:12:44,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 04:12:42" (1/3) ...
[2024-01-27 16:12:44,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ca80c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 04:12:44, skipping insertion in model container
[2024-01-27 16:12:44,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:12:43" (2/3) ...
[2024-01-27 16:12:44,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ca80c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 04:12:44, skipping insertion in model container
[2024-01-27 16:12:44,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 04:12:44" (3/3) ...
[2024-01-27 16:12:44,107 INFO L112 eAbstractionObserver]: Analyzing ICFG mix030_power.oepc_pso.oepc_rmo.oepc.i
[2024-01-27 16:12:44,114 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-01-27 16:12:44,122 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-01-27 16:12:44,122 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-01-27 16:12:44,123 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-01-27 16:12:44,182 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-01-27 16:12:44,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 49 transitions, 114 flow
[2024-01-27 16:12:44,261 INFO L124 PetriNetUnfolderBase]: 1/45 cut-off events.
[2024-01-27 16:12:44,261 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-01-27 16:12:44,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 45 events. 1/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place.
[2024-01-27 16:12:44,266 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 49 transitions, 114 flow
[2024-01-27 16:12:44,271 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 45 transitions, 102 flow
[2024-01-27 16:12:44,285 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-01-27 16:12:44,291 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;@13acabba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-27 16:12:44,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2024-01-27 16:12:44,295 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-01-27 16:12:44,295 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events.
[2024-01-27 16:12:44,296 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-01-27 16:12:44,296 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 16:12:44,296 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-01-27 16:12:44,297 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-01-27 16:12:44,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 16:12:44,301 INFO L85 PathProgramCache]: Analyzing trace with hash 12146900, now seen corresponding path program 1 times
[2024-01-27 16:12:44,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 16:12:44,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854762531]
[2024-01-27 16:12:44,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 16:12:44,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 16:12:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 16:12:44,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-27 16:12:44,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 16:12:44,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854762531]
[2024-01-27 16:12:44,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854762531] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 16:12:44,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 16:12:44,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-01-27 16:12:44,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372163407]
[2024-01-27 16:12:44,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 16:12:44,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-01-27 16:12:44,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 16:12:44,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-01-27 16:12:44,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-01-27 16:12:44,749 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 49
[2024-01-27 16:12:44,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:12:44,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 16:12:44,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 49
[2024-01-27 16:12:44,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 16:12:45,523 INFO L124 PetriNetUnfolderBase]: 2495/4136 cut-off events.
[2024-01-27 16:12:45,524 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES.
[2024-01-27 16:12:45,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7712 conditions, 4136 events. 2495/4136 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 28645 event pairs, 443 based on Foata normal form. 135/4200 useless extension candidates. Maximal degree in co-relation 7700. Up to 2779 conditions per place.
[2024-01-27 16:12:45,558 INFO L140 encePairwiseOnDemand]: 45/49 looper letters, 37 selfloop transitions, 2 changer transitions 2/61 dead transitions.
[2024-01-27 16:12:45,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 61 transitions, 225 flow
[2024-01-27 16:12:45,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-01-27 16:12:45,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-01-27 16:12:45,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions.
[2024-01-27 16:12:45,570 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7891156462585034
[2024-01-27 16:12:45,572 INFO L175 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 116 transitions.
[2024-01-27 16:12:45,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 61 transitions, 225 flow
[2024-01-27 16:12:45,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 61 transitions, 218 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-01-27 16:12:45,585 INFO L231 Difference]: Finished difference. Result has 54 places, 42 transitions, 96 flow
[2024-01-27 16:12:45,587 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=54, PETRI_TRANSITIONS=42}
[2024-01-27 16:12:45,593 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places.
[2024-01-27 16:12:45,593 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 42 transitions, 96 flow
[2024-01-27 16:12:45,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:12:45,594 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 16:12:45,594 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-01-27 16:12:45,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-01-27 16:12:45,595 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-01-27 16:12:45,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 16:12:45,596 INFO L85 PathProgramCache]: Analyzing trace with hash -234216228, now seen corresponding path program 1 times
[2024-01-27 16:12:45,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 16:12:45,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748956061]
[2024-01-27 16:12:45,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 16:12:45,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 16:12:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 16:12:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-27 16:12:45,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 16:12:45,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748956061]
[2024-01-27 16:12:45,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748956061] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 16:12:45,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 16:12:45,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-01-27 16:12:45,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004869110]
[2024-01-27 16:12:45,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 16:12:45,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-01-27 16:12:45,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 16:12:45,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-01-27 16:12:45,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-01-27 16:12:46,003 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49
[2024-01-27 16:12:46,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 42 transitions, 96 flow. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:12:46,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 16:12:46,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49
[2024-01-27 16:12:46,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 16:12:52,212 INFO L124 PetriNetUnfolderBase]: 46586/65418 cut-off events.
[2024-01-27 16:12:52,213 INFO L125 PetriNetUnfolderBase]: For 2941/2941 co-relation queries the response was YES.
[2024-01-27 16:12:52,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130834 conditions, 65418 events. 46586/65418 cut-off events. For 2941/2941 co-relation queries the response was YES. Maximal size of possible extension queue 2631. Compared 460618 event pairs, 11372 based on Foata normal form. 0/63780 useless extension candidates. Maximal degree in co-relation 130824. Up to 20650 conditions per place.
[2024-01-27 16:12:52,632 INFO L140 encePairwiseOnDemand]: 36/49 looper letters, 48 selfloop transitions, 9 changer transitions 109/176 dead transitions.
[2024-01-27 16:12:52,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 176 transitions, 714 flow
[2024-01-27 16:12:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-01-27 16:12:52,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-01-27 16:12:52,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 294 transitions.
[2024-01-27 16:12:52,642 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666
[2024-01-27 16:12:52,643 INFO L175 Difference]: Start difference. First operand has 54 places, 42 transitions, 96 flow. Second operand 9 states and 294 transitions.
[2024-01-27 16:12:52,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 176 transitions, 714 flow
[2024-01-27 16:12:52,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 176 transitions, 696 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-01-27 16:12:52,649 INFO L231 Difference]: Finished difference. Result has 67 places, 49 transitions, 216 flow
[2024-01-27 16:12:52,650 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=216, PETRI_PLACES=67, PETRI_TRANSITIONS=49}
[2024-01-27 16:12:52,652 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 10 predicate places.
[2024-01-27 16:12:52,654 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 49 transitions, 216 flow
[2024-01-27 16:12:52,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:12:52,654 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 16:12:52,655 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-01-27 16:12:52,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-01-27 16:12:52,656 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-01-27 16:12:52,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 16:12:52,657 INFO L85 PathProgramCache]: Analyzing trace with hash -138232491, now seen corresponding path program 1 times
[2024-01-27 16:12:52,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 16:12:52,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105516137]
[2024-01-27 16:12:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 16:12:52,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 16:12:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 16:12:52,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-27 16:12:52,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 16:12:52,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105516137]
[2024-01-27 16:12:52,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105516137] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 16:12:52,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 16:12:52,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-01-27 16:12:52,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343192727]
[2024-01-27 16:12:52,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 16:12:52,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-01-27 16:12:52,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 16:12:52,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-01-27 16:12:52,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-01-27 16:12:52,903 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49
[2024-01-27 16:12:52,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 49 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:12:52,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 16:12:52,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49
[2024-01-27 16:12:52,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 16:12:57,659 INFO L124 PetriNetUnfolderBase]: 35452/50757 cut-off events.
[2024-01-27 16:12:57,660 INFO L125 PetriNetUnfolderBase]: For 82484/82503 co-relation queries the response was YES.
[2024-01-27 16:12:57,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156954 conditions, 50757 events. 35452/50757 cut-off events. For 82484/82503 co-relation queries the response was YES. Maximal size of possible extension queue 2079. Compared 359252 event pairs, 4260 based on Foata normal form. 1325/52050 useless extension candidates. Maximal degree in co-relation 156936. Up to 18817 conditions per place.
[2024-01-27 16:12:58,008 INFO L140 encePairwiseOnDemand]: 37/49 looper letters, 68 selfloop transitions, 13 changer transitions 108/199 dead transitions.
[2024-01-27 16:12:58,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 199 transitions, 1350 flow
[2024-01-27 16:12:58,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-01-27 16:12:58,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-01-27 16:12:58,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 313 transitions.
[2024-01-27 16:12:58,011 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6387755102040816
[2024-01-27 16:12:58,011 INFO L175 Difference]: Start difference. First operand has 67 places, 49 transitions, 216 flow. Second operand 10 states and 313 transitions.
[2024-01-27 16:12:58,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 199 transitions, 1350 flow
[2024-01-27 16:12:58,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 199 transitions, 1172 flow, removed 43 selfloop flow, removed 4 redundant places.
[2024-01-27 16:12:58,498 INFO L231 Difference]: Finished difference. Result has 74 places, 58 transitions, 334 flow
[2024-01-27 16:12:58,498 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=334, PETRI_PLACES=74, PETRI_TRANSITIONS=58}
[2024-01-27 16:12:58,499 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 17 predicate places.
[2024-01-27 16:12:58,499 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 58 transitions, 334 flow
[2024-01-27 16:12:58,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:12:58,499 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 16:12:58,499 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-01-27 16:12:58,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-01-27 16:12:58,500 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-01-27 16:12:58,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 16:12:58,501 INFO L85 PathProgramCache]: Analyzing trace with hash -768608707, now seen corresponding path program 1 times
[2024-01-27 16:12:58,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 16:12:58,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145205338]
[2024-01-27 16:12:58,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 16:12:58,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 16:12:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 16:12:58,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-27 16:12:58,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 16:12:58,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145205338]
[2024-01-27 16:12:58,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145205338] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 16:12:58,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 16:12:58,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-01-27 16:12:58,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591773223]
[2024-01-27 16:12:58,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 16:12:58,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-01-27 16:12:58,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 16:12:58,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-01-27 16:12:58,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-01-27 16:12:58,707 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49
[2024-01-27 16:12:58,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 58 transitions, 334 flow. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:12:58,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 16:12:58,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49
[2024-01-27 16:12:58,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 16:13:03,441 INFO L124 PetriNetUnfolderBase]: 31674/45717 cut-off events.
[2024-01-27 16:13:03,441 INFO L125 PetriNetUnfolderBase]: For 135902/135935 co-relation queries the response was YES.
[2024-01-27 16:13:03,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153953 conditions, 45717 events. 31674/45717 cut-off events. For 135902/135935 co-relation queries the response was YES. Maximal size of possible extension queue 1815. Compared 324212 event pairs, 4870 based on Foata normal form. 1243/46912 useless extension candidates. Maximal degree in co-relation 153928. Up to 14211 conditions per place.
[2024-01-27 16:13:03,749 INFO L140 encePairwiseOnDemand]: 38/49 looper letters, 73 selfloop transitions, 15 changer transitions 106/204 dead transitions.
[2024-01-27 16:13:03,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 204 transitions, 1548 flow
[2024-01-27 16:13:03,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-01-27 16:13:03,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-01-27 16:13:03,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 301 transitions.
[2024-01-27 16:13:03,752 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6142857142857143
[2024-01-27 16:13:03,752 INFO L175 Difference]: Start difference. First operand has 74 places, 58 transitions, 334 flow. Second operand 10 states and 301 transitions.
[2024-01-27 16:13:03,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 204 transitions, 1548 flow
[2024-01-27 16:13:04,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 204 transitions, 1520 flow, removed 14 selfloop flow, removed 0 redundant places.
[2024-01-27 16:13:04,473 INFO L231 Difference]: Finished difference. Result has 86 places, 67 transitions, 514 flow
[2024-01-27 16:13:04,473 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=514, PETRI_PLACES=86, PETRI_TRANSITIONS=67}
[2024-01-27 16:13:04,474 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 29 predicate places.
[2024-01-27 16:13:04,474 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 67 transitions, 514 flow
[2024-01-27 16:13:04,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:13:04,475 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 16:13:04,475 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]
[2024-01-27 16:13:04,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-01-27 16:13:04,475 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-01-27 16:13:04,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 16:13:04,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1574337585, now seen corresponding path program 1 times
[2024-01-27 16:13:04,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 16:13:04,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136546416]
[2024-01-27 16:13:04,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 16:13:04,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 16:13:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 16:13:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-27 16:13:04,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 16:13:04,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136546416]
[2024-01-27 16:13:04,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136546416] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 16:13:04,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 16:13:04,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-01-27 16:13:04,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165306227]
[2024-01-27 16:13:04,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 16:13:04,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-01-27 16:13:04,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 16:13:04,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-01-27 16:13:04,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-01-27 16:13:04,646 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49
[2024-01-27 16:13:04,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 67 transitions, 514 flow. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:13:04,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 16:13:04,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49
[2024-01-27 16:13:04,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 16:13:09,105 INFO L124 PetriNetUnfolderBase]: 27936/40214 cut-off events.
[2024-01-27 16:13:09,105 INFO L125 PetriNetUnfolderBase]: For 171994/172009 co-relation queries the response was YES.
[2024-01-27 16:13:09,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148926 conditions, 40214 events. 27936/40214 cut-off events. For 171994/172009 co-relation queries the response was YES. Maximal size of possible extension queue 1494. Compared 275650 event pairs, 5484 based on Foata normal form. 714/40914 useless extension candidates. Maximal degree in co-relation 148890. Up to 16038 conditions per place.
[2024-01-27 16:13:09,448 INFO L140 encePairwiseOnDemand]: 37/49 looper letters, 75 selfloop transitions, 34 changer transitions 84/203 dead transitions.
[2024-01-27 16:13:09,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 203 transitions, 1720 flow
[2024-01-27 16:13:09,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-01-27 16:13:09,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-01-27 16:13:09,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 299 transitions.
[2024-01-27 16:13:09,450 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.610204081632653
[2024-01-27 16:13:09,450 INFO L175 Difference]: Start difference. First operand has 86 places, 67 transitions, 514 flow. Second operand 10 states and 299 transitions.
[2024-01-27 16:13:09,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 203 transitions, 1720 flow
[2024-01-27 16:13:10,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 203 transitions, 1628 flow, removed 43 selfloop flow, removed 7 redundant places.
[2024-01-27 16:13:10,353 INFO L231 Difference]: Finished difference. Result has 91 places, 83 transitions, 821 flow
[2024-01-27 16:13:10,353 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=821, PETRI_PLACES=91, PETRI_TRANSITIONS=83}
[2024-01-27 16:13:10,354 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 34 predicate places.
[2024-01-27 16:13:10,354 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 83 transitions, 821 flow
[2024-01-27 16:13:10,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:13:10,355 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 16:13:10,355 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]
[2024-01-27 16:13:10,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-01-27 16:13:10,355 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-01-27 16:13:10,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 16:13:10,356 INFO L85 PathProgramCache]: Analyzing trace with hash 2134613578, now seen corresponding path program 1 times
[2024-01-27 16:13:10,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 16:13:10,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891421285]
[2024-01-27 16:13:10,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 16:13:10,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 16:13:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 16:13:10,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-27 16:13:10,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 16:13:10,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891421285]
[2024-01-27 16:13:10,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891421285] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 16:13:10,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 16:13:10,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-01-27 16:13:10,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652597423]
[2024-01-27 16:13:10,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 16:13:10,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-01-27 16:13:10,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 16:13:10,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-01-27 16:13:10,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-01-27 16:13:10,509 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 49
[2024-01-27 16:13:10,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 83 transitions, 821 flow. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:13:10,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 16:13:10,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 49
[2024-01-27 16:13:10,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 16:13:16,142 INFO L124 PetriNetUnfolderBase]: 29076/44974 cut-off events.
[2024-01-27 16:13:16,142 INFO L125 PetriNetUnfolderBase]: For 206894/214794 co-relation queries the response was YES.
[2024-01-27 16:13:16,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155065 conditions, 44974 events. 29076/44974 cut-off events. For 206894/214794 co-relation queries the response was YES. Maximal size of possible extension queue 2064. Compared 370368 event pairs, 10266 based on Foata normal form. 1906/45407 useless extension candidates. Maximal degree in co-relation 155025. Up to 18162 conditions per place.
[2024-01-27 16:13:16,575 INFO L140 encePairwiseOnDemand]: 44/49 looper letters, 51 selfloop transitions, 8 changer transitions 52/154 dead transitions.
[2024-01-27 16:13:16,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 154 transitions, 1397 flow
[2024-01-27 16:13:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-01-27 16:13:16,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-01-27 16:13:16,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 226 transitions.
[2024-01-27 16:13:16,576 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6588921282798834
[2024-01-27 16:13:16,576 INFO L175 Difference]: Start difference. First operand has 91 places, 83 transitions, 821 flow. Second operand 7 states and 226 transitions.
[2024-01-27 16:13:16,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 154 transitions, 1397 flow
[2024-01-27 16:13:17,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 154 transitions, 1331 flow, removed 33 selfloop flow, removed 4 redundant places.
[2024-01-27 16:13:17,567 INFO L231 Difference]: Finished difference. Result has 92 places, 82 transitions, 795 flow
[2024-01-27 16:13:17,567 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=795, PETRI_PLACES=92, PETRI_TRANSITIONS=82}
[2024-01-27 16:13:17,567 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 35 predicate places.
[2024-01-27 16:13:17,568 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 82 transitions, 795 flow
[2024-01-27 16:13:17,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:13:17,568 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 16:13:17,568 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]
[2024-01-27 16:13:17,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-01-27 16:13:17,569 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-01-27 16:13:17,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 16:13:17,569 INFO L85 PathProgramCache]: Analyzing trace with hash -864734518, now seen corresponding path program 1 times
[2024-01-27 16:13:17,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 16:13:17,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470849270]
[2024-01-27 16:13:17,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 16:13:17,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 16:13:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 16:13:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-27 16:13:17,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 16:13:17,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470849270]
[2024-01-27 16:13:17,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470849270] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 16:13:17,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 16:13:17,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-01-27 16:13:17,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069150093]
[2024-01-27 16:13:17,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 16:13:17,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-01-27 16:13:17,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 16:13:17,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-01-27 16:13:17,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-01-27 16:13:17,731 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 49
[2024-01-27 16:13:17,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 82 transitions, 795 flow. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:13:17,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 16:13:17,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 49
[2024-01-27 16:13:17,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 16:13:26,076 INFO L124 PetriNetUnfolderBase]: 52297/78080 cut-off events.
[2024-01-27 16:13:26,076 INFO L125 PetriNetUnfolderBase]: For 173201/186610 co-relation queries the response was YES.
[2024-01-27 16:13:26,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215004 conditions, 78080 events. 52297/78080 cut-off events. For 173201/186610 co-relation queries the response was YES. Maximal size of possible extension queue 3126. Compared 623304 event pairs, 8101 based on Foata normal form. 3951/79732 useless extension candidates. Maximal degree in co-relation 214962. Up to 40421 conditions per place.
[2024-01-27 16:13:26,910 INFO L140 encePairwiseOnDemand]: 42/49 looper letters, 62 selfloop transitions, 6 changer transitions 0/120 dead transitions.
[2024-01-27 16:13:26,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 120 transitions, 1109 flow
[2024-01-27 16:13:26,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-27 16:13:26,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-01-27 16:13:26,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 137 transitions.
[2024-01-27 16:13:26,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6989795918367347
[2024-01-27 16:13:26,911 INFO L175 Difference]: Start difference. First operand has 92 places, 82 transitions, 795 flow. Second operand 4 states and 137 transitions.
[2024-01-27 16:13:26,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 120 transitions, 1109 flow
[2024-01-27 16:13:27,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 120 transitions, 1065 flow, removed 18 selfloop flow, removed 10 redundant places.
[2024-01-27 16:13:27,199 INFO L231 Difference]: Finished difference. Result has 83 places, 87 transitions, 805 flow
[2024-01-27 16:13:27,199 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=805, PETRI_PLACES=83, PETRI_TRANSITIONS=87}
[2024-01-27 16:13:27,200 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 26 predicate places.
[2024-01-27 16:13:27,200 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 87 transitions, 805 flow
[2024-01-27 16:13:27,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:13:27,201 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 16:13:27,201 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, 1, 1]
[2024-01-27 16:13:27,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-01-27 16:13:27,201 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-01-27 16:13:27,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 16:13:27,202 INFO L85 PathProgramCache]: Analyzing trace with hash -128307007, now seen corresponding path program 1 times
[2024-01-27 16:13:27,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 16:13:27,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790378875]
[2024-01-27 16:13:27,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 16:13:27,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 16:13:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 16:13:27,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-27 16:13:27,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 16:13:27,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790378875]
[2024-01-27 16:13:27,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790378875] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 16:13:27,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 16:13:27,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-01-27 16:13:27,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797370437]
[2024-01-27 16:13:27,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 16:13:27,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-01-27 16:13:27,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 16:13:27,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-01-27 16:13:27,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-01-27 16:13:27,448 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49
[2024-01-27 16:13:27,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 87 transitions, 805 flow. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-01-27 16:13:27,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 16:13:27,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49
[2024-01-27 16:13:27,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand