./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/45_monabsex1_vs.yml/witness.yml --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/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/45_monabsex1_vs.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-a340643-m
[2024-01-27 14:47:17,741 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-01-27 14:47:17,785 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-01-27 14:47:17,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-01-27 14:47:17,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-01-27 14:47:17,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-01-27 14:47:17,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-01-27 14:47:17,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-01-27 14:47:17,823 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-01-27 14:47:17,826 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-01-27 14:47:17,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-01-27 14:47:17,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-01-27 14:47:17,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-01-27 14:47:17,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-01-27 14:47:17,829 INFO L153 SettingsManager]: * Use SBE=true
[2024-01-27 14:47:17,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-01-27 14:47:17,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-01-27 14:47:17,829 INFO L153 SettingsManager]: * sizeof long=4
[2024-01-27 14:47:17,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-01-27 14:47:17,830 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-01-27 14:47:17,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-01-27 14:47:17,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-01-27 14:47:17,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-01-27 14:47:17,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-01-27 14:47:17,831 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-01-27 14:47:17,831 INFO L153 SettingsManager]: * sizeof long double=12
[2024-01-27 14:47:17,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-01-27 14:47:17,831 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-01-27 14:47:17,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-01-27 14:47:17,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-01-27 14:47:17,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-01-27 14:47:17,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-01-27 14:47:17,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-01-27 14:47:17,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-01-27 14:47:17,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-01-27 14:47:17,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-01-27 14:47:17,834 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-01-27 14:47:17,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-01-27 14:47:17,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-01-27 14:47:17,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-01-27 14:47:17,834 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-01-27 14:47:17,835 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-01-27 14:47:17,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-01-27 14:47:17,835 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false
[2024-01-27 14:47:18,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-01-27 14:47:18,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-01-27 14:47:18,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-01-27 14:47:18,059 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-01-27 14:47:18,059 INFO L274 PluginConnector]: CDTParser initialized
[2024-01-27 14:47:18,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i
[2024-01-27 14:47:19,002 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-01-27 14:47:19,194 INFO L384 CDTParser]: Found 1 translation units.
[2024-01-27 14:47:19,194 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i
[2024-01-27 14:47:19,204 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35acec46b/d840331483964552ab7e2dc0b10b6dec/FLAG6a88adfaa
[2024-01-27 14:47:19,232 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35acec46b/d840331483964552ab7e2dc0b10b6dec
[2024-01-27 14:47:19,233 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-01-27 14:47:19,234 INFO L274 PluginConnector]: Witness Parser initialized
[2024-01-27 14:47:19,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/45_monabsex1_vs.yml/witness.yml
[2024-01-27 14:47:19,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-01-27 14:47:19,315 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-01-27 14:47:19,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-01-27 14:47:19,317 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-01-27 14:47:19,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-01-27 14:47:19,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:47:19" (1/2) ...
[2024-01-27 14:47:19,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8b9f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:47:19, skipping insertion in model container
[2024-01-27 14:47:19,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:47:19" (1/2) ...
[2024-01-27 14:47:19,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11c05dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:47:19, skipping insertion in model container
[2024-01-27 14:47:19,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:47:19" (2/2) ...
[2024-01-27 14:47:19,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8b9f6b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19, skipping insertion in model container
[2024-01-27 14:47:19,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:47:19" (2/2) ...
[2024-01-27 14:47:19,324 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness
[2024-01-27 14:47:19,361 INFO L96 nessWitnessExtractor]: Found the following entries in the witness:
[2024-01-27 14:47:19,362 INFO L98 nessWitnessExtractor]: Location invariant before [L712-L712] 4 == l
[2024-01-27 14:47:19,363 INFO L98 nessWitnessExtractor]: Location invariant before [L712-L712] l == 4
[2024-01-27 14:47:19,363 INFO L98 nessWitnessExtractor]: Location invariant before [L712-L712] (unsigned long )arg == 0UL
[2024-01-27 14:47:19,363 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] l == 4
[2024-01-27 14:47:19,363 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] 4 == l
[2024-01-27 14:47:19,364 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] s == 4
[2024-01-27 14:47:19,364 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] (unsigned long )arg == 0UL
[2024-01-27 14:47:19,364 INFO L98 nessWitnessExtractor]: Location invariant before [L716-L716] s == 0
[2024-01-27 14:47:19,364 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L706] 4 == l
[2024-01-27 14:47:19,364 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L706] (unsigned long )arg == 0UL
[2024-01-27 14:47:19,364 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L706] l == 4
[2024-01-27 14:47:19,364 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] (unsigned long )arg == 0UL
[2024-01-27 14:47:19,364 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] (unsigned long )arg == 0UL
[2024-01-27 14:47:19,365 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] s != 4
[2024-01-27 14:47:19,365 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] l == 4
[2024-01-27 14:47:19,365 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] l == 4
[2024-01-27 14:47:19,365 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] 4 == l
[2024-01-27 14:47:19,365 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] 4 == l
[2024-01-27 14:47:19,365 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] (unsigned long )arg == 0UL
[2024-01-27 14:47:19,365 INFO L98 nessWitnessExtractor]: Location invariant before [L708-L708] 4 == l
[2024-01-27 14:47:19,365 INFO L98 nessWitnessExtractor]: Location invariant before [L708-L708] (unsigned long )arg == 0UL
[2024-01-27 14:47:19,366 INFO L98 nessWitnessExtractor]: Location invariant before [L708-L708] l == 4
[2024-01-27 14:47:19,366 INFO L98 nessWitnessExtractor]: Location invariant before [L708-L708] s == 4
[2024-01-27 14:47:19,366 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] 4 == l
[2024-01-27 14:47:19,366 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] 4 == l
[2024-01-27 14:47:19,366 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] l == 4
[2024-01-27 14:47:19,366 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] (unsigned long )arg == 0UL
[2024-01-27 14:47:19,367 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] s != 4
[2024-01-27 14:47:19,367 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] (unsigned long )arg == 0UL
[2024-01-27 14:47:19,367 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] l == 4
[2024-01-27 14:47:19,367 INFO L98 nessWitnessExtractor]: Location invariant before [L707-L707] (unsigned long )arg == 0UL
[2024-01-27 14:47:19,367 INFO L98 nessWitnessExtractor]: Location invariant before [L707-L707] l == 4
[2024-01-27 14:47:19,367 INFO L98 nessWitnessExtractor]: Location invariant before [L707-L707] 4 == l
[2024-01-27 14:47:19,367 INFO L98 nessWitnessExtractor]: Location invariant before [L704-L704] (unsigned long )arg == 0UL
[2024-01-27 14:47:19,367 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L709] l == 4
[2024-01-27 14:47:19,368 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L709] (unsigned long )arg == 0UL
[2024-01-27 14:47:19,368 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L709] 4 == l
[2024-01-27 14:47:19,402 INFO L177 MainTranslator]: Built tables and reachable declarations
[2024-01-27 14:47:19,605 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-ext/45_monabsex1_vs.i[30633,30646]
[2024-01-27 14:47:19,615 INFO L209 PostProcessor]: Analyzing one entry point: main
[2024-01-27 14:47:19,627 INFO L202 MainTranslator]: Completed pre-run
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
[2024-01-27 14:47:19,675 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-ext/45_monabsex1_vs.i[30633,30646]
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
[2024-01-27 14:47:19,679 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
[2024-01-27 14:47:19,683 INFO L209 PostProcessor]: Analyzing one entry point: main
[2024-01-27 14:47:19,702 INFO L206 MainTranslator]: Completed translation
[2024-01-27 14:47:19,703 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19 WrapperNode
[2024-01-27 14:47:19,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-01-27 14:47:19,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-01-27 14:47:19,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-01-27 14:47:19,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-01-27 14:47:19,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19" (1/1) ...
[2024-01-27 14:47:19,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19" (1/1) ...
[2024-01-27 14:47:19,732 INFO L138 Inliner]: procedures = 170, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25
[2024-01-27 14:47:19,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-01-27 14:47:19,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-01-27 14:47:19,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-01-27 14:47:19,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-01-27 14:47:19,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19" (1/1) ...
[2024-01-27 14:47:19,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19" (1/1) ...
[2024-01-27 14:47:19,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19" (1/1) ...
[2024-01-27 14:47:19,763 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [2, 1]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1].
[2024-01-27 14:47:19,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19" (1/1) ...
[2024-01-27 14:47:19,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19" (1/1) ...
[2024-01-27 14:47:19,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19" (1/1) ...
[2024-01-27 14:47:19,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19" (1/1) ...
[2024-01-27 14:47:19,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19" (1/1) ...
[2024-01-27 14:47:19,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19" (1/1) ...
[2024-01-27 14:47:19,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-01-27 14:47:19,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-01-27 14:47:19,792 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-01-27 14:47:19,792 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-01-27 14:47:19,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19" (1/1) ...
[2024-01-27 14:47:19,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-01-27 14:47:19,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-01-27 14:47:19,813 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 14:47:19,819 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 14:47:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure thr1
[2024-01-27 14:47:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1
[2024-01-27 14:47:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-01-27 14:47:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-01-27 14:47:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-01-27 14:47:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-01-27 14:47:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-01-27 14:47:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-01-27 14:47:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-01-27 14:47:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-01-27 14:47:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-01-27 14:47:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-01-27 14:47:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-01-27 14:47:19,891 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 14:47:19,997 INFO L244 CfgBuilder]: Building ICFG
[2024-01-27 14:47:19,998 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-01-27 14:47:20,146 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program.
[2024-01-27 14:47:20,146 INFO L293 CfgBuilder]: Performing block encoding
[2024-01-27 14:47:20,279 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-01-27 14:47:20,279 INFO L320 CfgBuilder]: Removed 1 assume(true) statements.
[2024-01-27 14:47:20,279 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:47:20 BoogieIcfgContainer
[2024-01-27 14:47:20,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-01-27 14:47:20,281 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-01-27 14:47:20,281 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-01-27 14:47:20,283 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-01-27 14:47:20,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:47:19" (1/4) ...
[2024-01-27 14:47:20,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1362147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:47:20, skipping insertion in model container
[2024-01-27 14:47:20,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:47:19" (2/4) ...
[2024-01-27 14:47:20,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1362147 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:47:20, skipping insertion in model container
[2024-01-27 14:47:20,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:47:19" (3/4) ...
[2024-01-27 14:47:20,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1362147 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:47:20, skipping insertion in model container
[2024-01-27 14:47:20,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:47:20" (4/4) ...
[2024-01-27 14:47:20,285 INFO L112 eAbstractionObserver]: Analyzing ICFG 45_monabsex1_vs.i
[2024-01-27 14:47:20,297 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-01-27 14:47:20,300 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations.
[2024-01-27 14:47:20,300 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-01-27 14:47:20,330 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-01-27 14:47:20,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 51 transitions, 106 flow
[2024-01-27 14:47:20,371 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events.
[2024-01-27 14:47:20,371 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-01-27 14:47:20,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 53 events. 0/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 105 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place.
[2024-01-27 14:47:20,373 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 51 transitions, 106 flow
[2024-01-27 14:47:20,375 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 51 transitions, 106 flow
[2024-01-27 14:47:20,389 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-01-27 14:47:20,394 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@2c3a7c4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-27 14:47:20,394 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations.
[2024-01-27 14:47:20,396 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-01-27 14:47:20,396 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events.
[2024-01-27 14:47:20,396 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-01-27 14:47:20,396 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:20,397 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-01-27 14:47:20,397 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 59 more)] ===
[2024-01-27 14:47:20,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:20,401 INFO L85 PathProgramCache]: Analyzing trace with hash 10354, now seen corresponding path program 1 times
[2024-01-27 14:47:20,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:20,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592114707]
[2024-01-27 14:47:20,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:20,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:20,527 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 14:47:20,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:20,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592114707]
[2024-01-27 14:47:20,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592114707] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:20,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:20,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-01-27 14:47:20,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739321379]
[2024-01-27 14:47:20,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:20,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-01-27 14:47:20,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:20,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-01-27 14:47:20,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-01-27 14:47:20,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 51
[2024-01-27 14:47:20,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 51 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 14:47:20,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:20,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 51
[2024-01-27 14:47:20,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 14:47:20,667 INFO L124 PetriNetUnfolderBase]: 9/61 cut-off events.
[2024-01-27 14:47:20,668 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-01-27 14:47:20,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 61 events. 9/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 140 event pairs, 9 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 83. Up to 32 conditions per place.
[2024-01-27 14:47:20,671 INFO L140 encePairwiseOnDemand]: 33/51 looper letters, 11 selfloop transitions, 2 changer transitions 0/29 dead transitions.
[2024-01-27 14:47:20,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 29 transitions, 88 flow
[2024-01-27 14:47:20,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-01-27 14:47:20,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-01-27 14:47:20,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 92 transitions.
[2024-01-27 14:47:20,680 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6013071895424836
[2024-01-27 14:47:20,681 INFO L175 Difference]: Start difference. First operand has 54 places, 51 transitions, 106 flow. Second operand 3 states and 92 transitions.
[2024-01-27 14:47:20,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 29 transitions, 88 flow
[2024-01-27 14:47:20,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 29 transitions, 88 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-01-27 14:47:20,684 INFO L231 Difference]: Finished difference. Result has 34 places, 29 transitions, 66 flow
[2024-01-27 14:47:20,686 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=34, PETRI_TRANSITIONS=29}
[2024-01-27 14:47:20,688 INFO L281 CegarLoopForPetriNet]: 54 programPoint places, -20 predicate places.
[2024-01-27 14:47:20,688 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 29 transitions, 66 flow
[2024-01-27 14:47:20,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 14:47:20,689 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:20,689 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2024-01-27 14:47:20,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-01-27 14:47:20,690 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 59 more)] ===
[2024-01-27 14:47:20,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:20,692 INFO L85 PathProgramCache]: Analyzing trace with hash 982245122, now seen corresponding path program 1 times
[2024-01-27 14:47:20,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:20,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584250026]
[2024-01-27 14:47:20,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:20,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-01-27 14:47:20,723 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-01-27 14:47:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-01-27 14:47:20,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-01-27 14:47:20,757 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2024-01-27 14:47:20,759 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (61 of 62 remaining)
[2024-01-27 14:47:20,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 62 remaining)
[2024-01-27 14:47:20,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 62 remaining)
[2024-01-27 14:47:20,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 62 remaining)
[2024-01-27 14:47:20,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 62 remaining)
[2024-01-27 14:47:20,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 62 remaining)
[2024-01-27 14:47:20,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 62 remaining)
[2024-01-27 14:47:20,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 62 remaining)
[2024-01-27 14:47:20,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 62 remaining)
[2024-01-27 14:47:20,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 62 remaining)
[2024-01-27 14:47:20,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 62 remaining)
[2024-01-27 14:47:20,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 62 remaining)
[2024-01-27 14:47:20,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 62 remaining)
[2024-01-27 14:47:20,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 62 remaining)
[2024-01-27 14:47:20,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 62 remaining)
[2024-01-27 14:47:20,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 62 remaining)
[2024-01-27 14:47:20,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 62 remaining)
[2024-01-27 14:47:20,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 62 remaining)
[2024-01-27 14:47:20,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 62 remaining)
[2024-01-27 14:47:20,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 62 remaining)
[2024-01-27 14:47:20,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 62 remaining)
[2024-01-27 14:47:20,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 62 remaining)
[2024-01-27 14:47:20,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 62 remaining)
[2024-01-27 14:47:20,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (38 of 62 remaining)
[2024-01-27 14:47:20,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 62 remaining)
[2024-01-27 14:47:20,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 62 remaining)
[2024-01-27 14:47:20,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 62 remaining)
[2024-01-27 14:47:20,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 62 remaining)
[2024-01-27 14:47:20,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 62 remaining)
[2024-01-27 14:47:20,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 62 remaining)
[2024-01-27 14:47:20,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 62 remaining)
[2024-01-27 14:47:20,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 62 remaining)
[2024-01-27 14:47:20,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 62 remaining)
[2024-01-27 14:47:20,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 62 remaining)
[2024-01-27 14:47:20,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 62 remaining)
[2024-01-27 14:47:20,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 62 remaining)
[2024-01-27 14:47:20,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 62 remaining)
[2024-01-27 14:47:20,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 62 remaining)
[2024-01-27 14:47:20,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 62 remaining)
[2024-01-27 14:47:20,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 62 remaining)
[2024-01-27 14:47:20,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 62 remaining)
[2024-01-27 14:47:20,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 62 remaining)
[2024-01-27 14:47:20,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 62 remaining)
[2024-01-27 14:47:20,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 62 remaining)
[2024-01-27 14:47:20,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 62 remaining)
[2024-01-27 14:47:20,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 62 remaining)
[2024-01-27 14:47:20,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 62 remaining)
[2024-01-27 14:47:20,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 62 remaining)
[2024-01-27 14:47:20,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 62 remaining)
[2024-01-27 14:47:20,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 62 remaining)
[2024-01-27 14:47:20,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 62 remaining)
[2024-01-27 14:47:20,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 62 remaining)
[2024-01-27 14:47:20,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 62 remaining)
[2024-01-27 14:47:20,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 62 remaining)
[2024-01-27 14:47:20,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (7 of 62 remaining)
[2024-01-27 14:47:20,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 62 remaining)
[2024-01-27 14:47:20,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 62 remaining)
[2024-01-27 14:47:20,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 62 remaining)
[2024-01-27 14:47:20,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 62 remaining)
[2024-01-27 14:47:20,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 62 remaining)
[2024-01-27 14:47:20,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 62 remaining)
[2024-01-27 14:47:20,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 62 remaining)
[2024-01-27 14:47:20,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-01-27 14:47:20,791 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-01-27 14:47:20,794 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-01-27 14:47:20,794 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-01-27 14:47:20,843 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-01-27 14:47:20,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 96 transitions, 202 flow
[2024-01-27 14:47:20,871 INFO L124 PetriNetUnfolderBase]: 0/100 cut-off events.
[2024-01-27 14:47:20,871 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-01-27 14:47:20,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 100 events. 0/100 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 361 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place.
[2024-01-27 14:47:20,871 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 96 transitions, 202 flow
[2024-01-27 14:47:20,876 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 96 transitions, 202 flow
[2024-01-27 14:47:20,878 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-01-27 14:47:20,878 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@2c3a7c4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-27 14:47:20,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 92 error locations.
[2024-01-27 14:47:20,880 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-01-27 14:47:20,880 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events.
[2024-01-27 14:47:20,880 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-01-27 14:47:20,880 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:20,880 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-01-27 14:47:20,880 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] ===
[2024-01-27 14:47:20,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:20,881 INFO L85 PathProgramCache]: Analyzing trace with hash 13426, now seen corresponding path program 1 times
[2024-01-27 14:47:20,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:20,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254507386]
[2024-01-27 14:47:20,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:20,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:20,904 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 14:47:20,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:20,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254507386]
[2024-01-27 14:47:20,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254507386] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:20,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:20,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-01-27 14:47:20,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330046818]
[2024-01-27 14:47:20,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:20,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-01-27 14:47:20,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:20,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-01-27 14:47:20,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-01-27 14:47:20,907 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 96
[2024-01-27 14:47:20,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 96 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 14:47:20,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:20,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 96
[2024-01-27 14:47:20,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 14:47:21,034 INFO L124 PetriNetUnfolderBase]: 279/827 cut-off events.
[2024-01-27 14:47:21,035 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES.
[2024-01-27 14:47:21,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1365 conditions, 827 events. 279/827 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5869 event pairs, 279 based on Foata normal form. 0/454 useless extension candidates. Maximal degree in co-relation 1092. Up to 502 conditions per place.
[2024-01-27 14:47:21,044 INFO L140 encePairwiseOnDemand]: 64/96 looper letters, 21 selfloop transitions, 2 changer transitions 0/54 dead transitions.
[2024-01-27 14:47:21,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 54 transitions, 164 flow
[2024-01-27 14:47:21,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-01-27 14:47:21,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-01-27 14:47:21,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions.
[2024-01-27 14:47:21,046 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6111111111111112
[2024-01-27 14:47:21,046 INFO L175 Difference]: Start difference. First operand has 101 places, 96 transitions, 202 flow. Second operand 3 states and 176 transitions.
[2024-01-27 14:47:21,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 54 transitions, 164 flow
[2024-01-27 14:47:21,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 54 transitions, 164 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-01-27 14:47:21,047 INFO L231 Difference]: Finished difference. Result has 61 places, 54 transitions, 122 flow
[2024-01-27 14:47:21,048 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=61, PETRI_TRANSITIONS=54}
[2024-01-27 14:47:21,048 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -40 predicate places.
[2024-01-27 14:47:21,048 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 54 transitions, 122 flow
[2024-01-27 14:47:21,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 14:47:21,049 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:21,049 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-01-27 14:47:21,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-01-27 14:47:21,049 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] ===
[2024-01-27 14:47:21,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:21,050 INFO L85 PathProgramCache]: Analyzing trace with hash -472665912, now seen corresponding path program 1 times
[2024-01-27 14:47:21,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:21,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740467181]
[2024-01-27 14:47:21,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:21,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:21,188 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 14:47:21,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:21,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740467181]
[2024-01-27 14:47:21,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740467181] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:21,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:21,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-01-27 14:47:21,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888116214]
[2024-01-27 14:47:21,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:21,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-01-27 14:47:21,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:21,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-01-27 14:47:21,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-01-27 14:47:21,208 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 96
[2024-01-27 14:47:21,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 54 transitions, 122 flow. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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 14:47:21,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:21,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 96
[2024-01-27 14:47:21,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 14:47:21,332 INFO L124 PetriNetUnfolderBase]: 249/727 cut-off events.
[2024-01-27 14:47:21,332 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES.
[2024-01-27 14:47:21,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1213 conditions, 727 events. 249/727 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4788 event pairs, 135 based on Foata normal form. 44/482 useless extension candidates. Maximal degree in co-relation 1202. Up to 416 conditions per place.
[2024-01-27 14:47:21,339 INFO L140 encePairwiseOnDemand]: 88/96 looper letters, 32 selfloop transitions, 2 changer transitions 0/60 dead transitions.
[2024-01-27 14:47:21,339 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 60 transitions, 207 flow
[2024-01-27 14:47:21,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-27 14:47:21,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-01-27 14:47:21,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 184 transitions.
[2024-01-27 14:47:21,343 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4791666666666667
[2024-01-27 14:47:21,343 INFO L175 Difference]: Start difference. First operand has 61 places, 54 transitions, 122 flow. Second operand 4 states and 184 transitions.
[2024-01-27 14:47:21,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 60 transitions, 207 flow
[2024-01-27 14:47:21,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 60 transitions, 203 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-01-27 14:47:21,345 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 110 flow
[2024-01-27 14:47:21,345 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=110, PETRI_PLACES=56, PETRI_TRANSITIONS=48}
[2024-01-27 14:47:21,347 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -45 predicate places.
[2024-01-27 14:47:21,347 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 110 flow
[2024-01-27 14:47:21,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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 14:47:21,347 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:21,347 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-01-27 14:47:21,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-01-27 14:47:21,348 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] ===
[2024-01-27 14:47:21,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:21,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1034607786, now seen corresponding path program 1 times
[2024-01-27 14:47:21,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:21,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856688996]
[2024-01-27 14:47:21,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:21,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:21,393 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 14:47:21,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:21,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856688996]
[2024-01-27 14:47:21,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856688996] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:21,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:21,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-01-27 14:47:21,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431236754]
[2024-01-27 14:47:21,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:21,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-01-27 14:47:21,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:21,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-01-27 14:47:21,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-01-27 14:47:21,408 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 96
[2024-01-27 14:47:21,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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 14:47:21,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:21,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 96
[2024-01-27 14:47:21,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 14:47:21,473 INFO L124 PetriNetUnfolderBase]: 279/605 cut-off events.
[2024-01-27 14:47:21,473 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES.
[2024-01-27 14:47:21,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1146 conditions, 605 events. 279/605 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3628 event pairs, 39 based on Foata normal form. 0/452 useless extension candidates. Maximal degree in co-relation 1128. Up to 416 conditions per place.
[2024-01-27 14:47:21,476 INFO L140 encePairwiseOnDemand]: 89/96 looper letters, 33 selfloop transitions, 1 changer transitions 0/53 dead transitions.
[2024-01-27 14:47:21,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 53 transitions, 193 flow
[2024-01-27 14:47:21,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-01-27 14:47:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-01-27 14:47:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 133 transitions.
[2024-01-27 14:47:21,477 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4618055555555556
[2024-01-27 14:47:21,478 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 110 flow. Second operand 3 states and 133 transitions.
[2024-01-27 14:47:21,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 53 transitions, 193 flow
[2024-01-27 14:47:21,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 53 transitions, 190 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-01-27 14:47:21,479 INFO L231 Difference]: Finished difference. Result has 50 places, 42 transitions, 97 flow
[2024-01-27 14:47:21,479 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=97, PETRI_PLACES=50, PETRI_TRANSITIONS=42}
[2024-01-27 14:47:21,480 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -51 predicate places.
[2024-01-27 14:47:21,481 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 42 transitions, 97 flow
[2024-01-27 14:47:21,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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 14:47:21,481 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:21,481 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1]
[2024-01-27 14:47:21,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-01-27 14:47:21,481 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] ===
[2024-01-27 14:47:21,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:21,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1032532623, now seen corresponding path program 1 times
[2024-01-27 14:47:21,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:21,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335861557]
[2024-01-27 14:47:21,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:21,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-01-27 14:47:21,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-01-27 14:47:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-01-27 14:47:21,522 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-01-27 14:47:21,523 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2024-01-27 14:47:21,523 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (91 of 92 remaining)
[2024-01-27 14:47:21,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 92 remaining)
[2024-01-27 14:47:21,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 92 remaining)
[2024-01-27 14:47:21,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 92 remaining)
[2024-01-27 14:47:21,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 92 remaining)
[2024-01-27 14:47:21,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 92 remaining)
[2024-01-27 14:47:21,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 92 remaining)
[2024-01-27 14:47:21,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 92 remaining)
[2024-01-27 14:47:21,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 92 remaining)
[2024-01-27 14:47:21,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 92 remaining)
[2024-01-27 14:47:21,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 92 remaining)
[2024-01-27 14:47:21,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 92 remaining)
[2024-01-27 14:47:21,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 92 remaining)
[2024-01-27 14:47:21,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 92 remaining)
[2024-01-27 14:47:21,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 92 remaining)
[2024-01-27 14:47:21,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 92 remaining)
[2024-01-27 14:47:21,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 92 remaining)
[2024-01-27 14:47:21,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 92 remaining)
[2024-01-27 14:47:21,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 92 remaining)
[2024-01-27 14:47:21,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 92 remaining)
[2024-01-27 14:47:21,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 92 remaining)
[2024-01-27 14:47:21,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 92 remaining)
[2024-01-27 14:47:21,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 92 remaining)
[2024-01-27 14:47:21,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (68 of 92 remaining)
[2024-01-27 14:47:21,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 92 remaining)
[2024-01-27 14:47:21,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 92 remaining)
[2024-01-27 14:47:21,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 92 remaining)
[2024-01-27 14:47:21,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 92 remaining)
[2024-01-27 14:47:21,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 92 remaining)
[2024-01-27 14:47:21,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 92 remaining)
[2024-01-27 14:47:21,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 92 remaining)
[2024-01-27 14:47:21,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 92 remaining)
[2024-01-27 14:47:21,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 92 remaining)
[2024-01-27 14:47:21,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 92 remaining)
[2024-01-27 14:47:21,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 92 remaining)
[2024-01-27 14:47:21,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 92 remaining)
[2024-01-27 14:47:21,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 92 remaining)
[2024-01-27 14:47:21,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 92 remaining)
[2024-01-27 14:47:21,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 92 remaining)
[2024-01-27 14:47:21,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 92 remaining)
[2024-01-27 14:47:21,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 92 remaining)
[2024-01-27 14:47:21,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 92 remaining)
[2024-01-27 14:47:21,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 92 remaining)
[2024-01-27 14:47:21,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 92 remaining)
[2024-01-27 14:47:21,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 92 remaining)
[2024-01-27 14:47:21,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 92 remaining)
[2024-01-27 14:47:21,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 92 remaining)
[2024-01-27 14:47:21,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 92 remaining)
[2024-01-27 14:47:21,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 92 remaining)
[2024-01-27 14:47:21,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 92 remaining)
[2024-01-27 14:47:21,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 92 remaining)
[2024-01-27 14:47:21,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 92 remaining)
[2024-01-27 14:47:21,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 92 remaining)
[2024-01-27 14:47:21,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 92 remaining)
[2024-01-27 14:47:21,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (37 of 92 remaining)
[2024-01-27 14:47:21,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 92 remaining)
[2024-01-27 14:47:21,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 92 remaining)
[2024-01-27 14:47:21,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 92 remaining)
[2024-01-27 14:47:21,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 92 remaining)
[2024-01-27 14:47:21,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 92 remaining)
[2024-01-27 14:47:21,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 92 remaining)
[2024-01-27 14:47:21,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 92 remaining)
[2024-01-27 14:47:21,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 92 remaining)
[2024-01-27 14:47:21,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 92 remaining)
[2024-01-27 14:47:21,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 92 remaining)
[2024-01-27 14:47:21,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 92 remaining)
[2024-01-27 14:47:21,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 92 remaining)
[2024-01-27 14:47:21,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 92 remaining)
[2024-01-27 14:47:21,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 92 remaining)
[2024-01-27 14:47:21,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 92 remaining)
[2024-01-27 14:47:21,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 92 remaining)
[2024-01-27 14:47:21,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 92 remaining)
[2024-01-27 14:47:21,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 92 remaining)
[2024-01-27 14:47:21,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 92 remaining)
[2024-01-27 14:47:21,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 92 remaining)
[2024-01-27 14:47:21,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 92 remaining)
[2024-01-27 14:47:21,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 92 remaining)
[2024-01-27 14:47:21,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 92 remaining)
[2024-01-27 14:47:21,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 92 remaining)
[2024-01-27 14:47:21,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 92 remaining)
[2024-01-27 14:47:21,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 92 remaining)
[2024-01-27 14:47:21,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 92 remaining)
[2024-01-27 14:47:21,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 92 remaining)
[2024-01-27 14:47:21,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 92 remaining)
[2024-01-27 14:47:21,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (7 of 92 remaining)
[2024-01-27 14:47:21,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 92 remaining)
[2024-01-27 14:47:21,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 92 remaining)
[2024-01-27 14:47:21,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 92 remaining)
[2024-01-27 14:47:21,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 92 remaining)
[2024-01-27 14:47:21,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 92 remaining)
[2024-01-27 14:47:21,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 92 remaining)
[2024-01-27 14:47:21,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 92 remaining)
[2024-01-27 14:47:21,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-01-27 14:47:21,542 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-01-27 14:47:21,542 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-01-27 14:47:21,542 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-01-27 14:47:21,574 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-01-27 14:47:21,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 148 places, 141 transitions, 300 flow
[2024-01-27 14:47:21,591 INFO L124 PetriNetUnfolderBase]: 0/147 cut-off events.
[2024-01-27 14:47:21,592 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES.
[2024-01-27 14:47:21,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 147 events. 0/147 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 691 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place.
[2024-01-27 14:47:21,592 INFO L82 GeneralOperation]: Start removeDead. Operand has 148 places, 141 transitions, 300 flow
[2024-01-27 14:47:21,594 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 141 transitions, 300 flow
[2024-01-27 14:47:21,595 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-01-27 14:47:21,595 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@2c3a7c4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-27 14:47:21,596 INFO L358 AbstractCegarLoop]: Starting to check reachability of 122 error locations.
[2024-01-27 14:47:21,596 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-01-27 14:47:21,596 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events.
[2024-01-27 14:47:21,596 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-01-27 14:47:21,596 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:21,596 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-01-27 14:47:21,597 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 119 more)] ===
[2024-01-27 14:47:21,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:21,597 INFO L85 PathProgramCache]: Analyzing trace with hash 17938, now seen corresponding path program 1 times
[2024-01-27 14:47:21,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:21,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963209829]
[2024-01-27 14:47:21,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:21,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:21,606 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 14:47:21,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:21,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963209829]
[2024-01-27 14:47:21,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963209829] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:21,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:21,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-01-27 14:47:21,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682801911]
[2024-01-27 14:47:21,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:21,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-01-27 14:47:21,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:21,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-01-27 14:47:21,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-01-27 14:47:21,609 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 141
[2024-01-27 14:47:21,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 141 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 14:47:21,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:21,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 141
[2024-01-27 14:47:21,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 14:47:22,286 INFO L124 PetriNetUnfolderBase]: 4779/10303 cut-off events.
[2024-01-27 14:47:22,286 INFO L125 PetriNetUnfolderBase]: For 734/734 co-relation queries the response was YES.
[2024-01-27 14:47:22,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17742 conditions, 10303 events. 4779/10303 cut-off events. For 734/734 co-relation queries the response was YES. Maximal size of possible extension queue 740. Compared 101187 event pairs, 4779 based on Foata normal form. 0/5414 useless extension candidates. Maximal degree in co-relation 2538. Up to 7002 conditions per place.
[2024-01-27 14:47:22,354 INFO L140 encePairwiseOnDemand]: 95/141 looper letters, 31 selfloop transitions, 2 changer transitions 0/79 dead transitions.
[2024-01-27 14:47:22,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 79 transitions, 242 flow
[2024-01-27 14:47:22,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-01-27 14:47:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-01-27 14:47:22,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 260 transitions.
[2024-01-27 14:47:22,385 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6146572104018913
[2024-01-27 14:47:22,385 INFO L175 Difference]: Start difference. First operand has 148 places, 141 transitions, 300 flow. Second operand 3 states and 260 transitions.
[2024-01-27 14:47:22,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 79 transitions, 242 flow
[2024-01-27 14:47:22,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 79 transitions, 240 flow, removed 1 selfloop flow, removed 0 redundant places.
[2024-01-27 14:47:22,387 INFO L231 Difference]: Finished difference. Result has 88 places, 79 transitions, 178 flow
[2024-01-27 14:47:22,387 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=88, PETRI_TRANSITIONS=79}
[2024-01-27 14:47:22,388 INFO L281 CegarLoopForPetriNet]: 148 programPoint places, -60 predicate places.
[2024-01-27 14:47:22,388 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 79 transitions, 178 flow
[2024-01-27 14:47:22,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 14:47:22,388 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:22,388 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-01-27 14:47:22,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-01-27 14:47:22,389 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 119 more)] ===
[2024-01-27 14:47:22,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:22,389 INFO L85 PathProgramCache]: Analyzing trace with hash -596323628, now seen corresponding path program 1 times
[2024-01-27 14:47:22,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:22,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793006966]
[2024-01-27 14:47:22,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:22,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:22,465 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 14:47:22,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:22,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793006966]
[2024-01-27 14:47:22,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793006966] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:22,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:22,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-01-27 14:47:22,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883993461]
[2024-01-27 14:47:22,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:22,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-01-27 14:47:22,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:22,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-01-27 14:47:22,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-01-27 14:47:22,484 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 141
[2024-01-27 14:47:22,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 79 transitions, 178 flow. Second operand has 4 states, 4 states have (on average 57.5) internal successors, (230), 4 states have internal predecessors, (230), 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 14:47:22,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:22,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 141
[2024-01-27 14:47:22,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 14:47:23,009 INFO L124 PetriNetUnfolderBase]: 4279/8825 cut-off events.
[2024-01-27 14:47:23,009 INFO L125 PetriNetUnfolderBase]: For 303/303 co-relation queries the response was YES.
[2024-01-27 14:47:23,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15412 conditions, 8825 events. 4279/8825 cut-off events. For 303/303 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 82508 event pairs, 279 based on Foata normal form. 444/5550 useless extension candidates. Maximal degree in co-relation 15400. Up to 5776 conditions per place.
[2024-01-27 14:47:23,063 INFO L140 encePairwiseOnDemand]: 133/141 looper letters, 52 selfloop transitions, 2 changer transitions 0/95 dead transitions.
[2024-01-27 14:47:23,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 95 transitions, 328 flow
[2024-01-27 14:47:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-27 14:47:23,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-01-27 14:47:23,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 284 transitions.
[2024-01-27 14:47:23,065 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5035460992907801
[2024-01-27 14:47:23,065 INFO L175 Difference]: Start difference. First operand has 88 places, 79 transitions, 178 flow. Second operand 4 states and 284 transitions.
[2024-01-27 14:47:23,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 95 transitions, 328 flow
[2024-01-27 14:47:23,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 95 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-01-27 14:47:23,069 INFO L231 Difference]: Finished difference. Result has 83 places, 73 transitions, 166 flow
[2024-01-27 14:47:23,069 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=166, PETRI_PLACES=83, PETRI_TRANSITIONS=73}
[2024-01-27 14:47:23,070 INFO L281 CegarLoopForPetriNet]: 148 programPoint places, -65 predicate places.
[2024-01-27 14:47:23,070 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 73 transitions, 166 flow
[2024-01-27 14:47:23,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.5) internal successors, (230), 4 states have internal predecessors, (230), 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 14:47:23,071 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:23,071 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-01-27 14:47:23,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-01-27 14:47:23,071 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 119 more)] ===
[2024-01-27 14:47:23,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:23,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1836335786, now seen corresponding path program 1 times
[2024-01-27 14:47:23,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:23,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996487547]
[2024-01-27 14:47:23,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:23,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:23,097 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 14:47:23,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:23,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996487547]
[2024-01-27 14:47:23,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996487547] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:23,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:23,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-01-27 14:47:23,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792847637]
[2024-01-27 14:47:23,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:23,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-01-27 14:47:23,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:23,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-01-27 14:47:23,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-01-27 14:47:23,110 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 141
[2024-01-27 14:47:23,110 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 73 transitions, 166 flow. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 14:47:23,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:23,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 141
[2024-01-27 14:47:23,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 14:47:23,599 INFO L124 PetriNetUnfolderBase]: 4779/8097 cut-off events.
[2024-01-27 14:47:23,599 INFO L125 PetriNetUnfolderBase]: For 343/343 co-relation queries the response was YES.
[2024-01-27 14:47:23,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15439 conditions, 8097 events. 4779/8097 cut-off events. For 343/343 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 64047 event pairs, 779 based on Foata normal form. 0/5388 useless extension candidates. Maximal degree in co-relation 15420. Up to 5776 conditions per place.
[2024-01-27 14:47:23,637 INFO L140 encePairwiseOnDemand]: 134/141 looper letters, 53 selfloop transitions, 1 changer transitions 0/88 dead transitions.
[2024-01-27 14:47:23,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 88 transitions, 314 flow
[2024-01-27 14:47:23,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-01-27 14:47:23,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-01-27 14:47:23,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 213 transitions.
[2024-01-27 14:47:23,639 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5035460992907801
[2024-01-27 14:47:23,639 INFO L175 Difference]: Start difference. First operand has 83 places, 73 transitions, 166 flow. Second operand 3 states and 213 transitions.
[2024-01-27 14:47:23,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 88 transitions, 314 flow
[2024-01-27 14:47:23,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 88 transitions, 311 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-01-27 14:47:23,643 INFO L231 Difference]: Finished difference. Result has 77 places, 67 transitions, 153 flow
[2024-01-27 14:47:23,643 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=153, PETRI_PLACES=77, PETRI_TRANSITIONS=67}
[2024-01-27 14:47:23,644 INFO L281 CegarLoopForPetriNet]: 148 programPoint places, -71 predicate places.
[2024-01-27 14:47:23,644 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 67 transitions, 153 flow
[2024-01-27 14:47:23,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 14:47:23,644 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:23,644 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-01-27 14:47:23,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-01-27 14:47:23,645 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 119 more)] ===
[2024-01-27 14:47:23,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:23,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1838365099, now seen corresponding path program 1 times
[2024-01-27 14:47:23,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:23,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698821542]
[2024-01-27 14:47:23,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:23,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:23,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-01-27 14:47:23,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:23,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698821542]
[2024-01-27 14:47:23,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698821542] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:23,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:23,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-01-27 14:47:23,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516040947]
[2024-01-27 14:47:23,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:23,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-01-27 14:47:23,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:23,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-01-27 14:47:23,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-01-27 14:47:23,728 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 141
[2024-01-27 14:47:23,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 67 transitions, 153 flow. Second operand has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 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 14:47:23,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:23,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 141
[2024-01-27 14:47:23,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 14:47:24,051 INFO L124 PetriNetUnfolderBase]: 2489/5367 cut-off events.
[2024-01-27 14:47:24,052 INFO L125 PetriNetUnfolderBase]: For 399/399 co-relation queries the response was YES.
[2024-01-27 14:47:24,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9448 conditions, 5367 events. 2489/5367 cut-off events. For 399/399 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 46388 event pairs, 815 based on Foata normal form. 264/3688 useless extension candidates. Maximal degree in co-relation 9430. Up to 3376 conditions per place.
[2024-01-27 14:47:24,081 INFO L140 encePairwiseOnDemand]: 133/141 looper letters, 48 selfloop transitions, 2 changer transitions 0/83 dead transitions.
[2024-01-27 14:47:24,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 83 transitions, 294 flow
[2024-01-27 14:47:24,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-27 14:47:24,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-01-27 14:47:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 280 transitions.
[2024-01-27 14:47:24,083 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49645390070921985
[2024-01-27 14:47:24,083 INFO L175 Difference]: Start difference. First operand has 77 places, 67 transitions, 153 flow. Second operand 4 states and 280 transitions.
[2024-01-27 14:47:24,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 83 transitions, 294 flow
[2024-01-27 14:47:24,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 83 transitions, 291 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-01-27 14:47:24,086 INFO L231 Difference]: Finished difference. Result has 73 places, 61 transitions, 144 flow
[2024-01-27 14:47:24,087 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=144, PETRI_PLACES=73, PETRI_TRANSITIONS=61}
[2024-01-27 14:47:24,089 INFO L281 CegarLoopForPetriNet]: 148 programPoint places, -75 predicate places.
[2024-01-27 14:47:24,089 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 61 transitions, 144 flow
[2024-01-27 14:47:24,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 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 14:47:24,089 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:24,089 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1]
[2024-01-27 14:47:24,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-01-27 14:47:24,090 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 119 more)] ===
[2024-01-27 14:47:24,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:24,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1440666091, now seen corresponding path program 1 times
[2024-01-27 14:47:24,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:24,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886511408]
[2024-01-27 14:47:24,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:24,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-01-27 14:47:24,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-01-27 14:47:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-01-27 14:47:24,109 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-01-27 14:47:24,109 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2024-01-27 14:47:24,109 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (121 of 122 remaining)
[2024-01-27 14:47:24,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 122 remaining)
[2024-01-27 14:47:24,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 122 remaining)
[2024-01-27 14:47:24,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 122 remaining)
[2024-01-27 14:47:24,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 122 remaining)
[2024-01-27 14:47:24,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 122 remaining)
[2024-01-27 14:47:24,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 122 remaining)
[2024-01-27 14:47:24,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 122 remaining)
[2024-01-27 14:47:24,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 122 remaining)
[2024-01-27 14:47:24,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 122 remaining)
[2024-01-27 14:47:24,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 122 remaining)
[2024-01-27 14:47:24,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 122 remaining)
[2024-01-27 14:47:24,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 122 remaining)
[2024-01-27 14:47:24,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 122 remaining)
[2024-01-27 14:47:24,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 122 remaining)
[2024-01-27 14:47:24,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 122 remaining)
[2024-01-27 14:47:24,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 122 remaining)
[2024-01-27 14:47:24,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 122 remaining)
[2024-01-27 14:47:24,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 122 remaining)
[2024-01-27 14:47:24,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 122 remaining)
[2024-01-27 14:47:24,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 122 remaining)
[2024-01-27 14:47:24,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 122 remaining)
[2024-01-27 14:47:24,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 122 remaining)
[2024-01-27 14:47:24,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (98 of 122 remaining)
[2024-01-27 14:47:24,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 122 remaining)
[2024-01-27 14:47:24,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 122 remaining)
[2024-01-27 14:47:24,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 122 remaining)
[2024-01-27 14:47:24,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 122 remaining)
[2024-01-27 14:47:24,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 122 remaining)
[2024-01-27 14:47:24,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 122 remaining)
[2024-01-27 14:47:24,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 122 remaining)
[2024-01-27 14:47:24,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 122 remaining)
[2024-01-27 14:47:24,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 122 remaining)
[2024-01-27 14:47:24,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 122 remaining)
[2024-01-27 14:47:24,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 122 remaining)
[2024-01-27 14:47:24,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 122 remaining)
[2024-01-27 14:47:24,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 122 remaining)
[2024-01-27 14:47:24,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 122 remaining)
[2024-01-27 14:47:24,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 122 remaining)
[2024-01-27 14:47:24,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 122 remaining)
[2024-01-27 14:47:24,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 122 remaining)
[2024-01-27 14:47:24,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 122 remaining)
[2024-01-27 14:47:24,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 122 remaining)
[2024-01-27 14:47:24,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 122 remaining)
[2024-01-27 14:47:24,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 122 remaining)
[2024-01-27 14:47:24,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 122 remaining)
[2024-01-27 14:47:24,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 122 remaining)
[2024-01-27 14:47:24,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 122 remaining)
[2024-01-27 14:47:24,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 122 remaining)
[2024-01-27 14:47:24,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 122 remaining)
[2024-01-27 14:47:24,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 122 remaining)
[2024-01-27 14:47:24,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 122 remaining)
[2024-01-27 14:47:24,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 122 remaining)
[2024-01-27 14:47:24,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 122 remaining)
[2024-01-27 14:47:24,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (67 of 122 remaining)
[2024-01-27 14:47:24,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 122 remaining)
[2024-01-27 14:47:24,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 122 remaining)
[2024-01-27 14:47:24,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 122 remaining)
[2024-01-27 14:47:24,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 122 remaining)
[2024-01-27 14:47:24,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 122 remaining)
[2024-01-27 14:47:24,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 122 remaining)
[2024-01-27 14:47:24,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 122 remaining)
[2024-01-27 14:47:24,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 122 remaining)
[2024-01-27 14:47:24,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 122 remaining)
[2024-01-27 14:47:24,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 122 remaining)
[2024-01-27 14:47:24,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 122 remaining)
[2024-01-27 14:47:24,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 122 remaining)
[2024-01-27 14:47:24,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 122 remaining)
[2024-01-27 14:47:24,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 122 remaining)
[2024-01-27 14:47:24,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 122 remaining)
[2024-01-27 14:47:24,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 122 remaining)
[2024-01-27 14:47:24,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 122 remaining)
[2024-01-27 14:47:24,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 122 remaining)
[2024-01-27 14:47:24,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 122 remaining)
[2024-01-27 14:47:24,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 122 remaining)
[2024-01-27 14:47:24,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 122 remaining)
[2024-01-27 14:47:24,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 122 remaining)
[2024-01-27 14:47:24,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 122 remaining)
[2024-01-27 14:47:24,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 122 remaining)
[2024-01-27 14:47:24,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 122 remaining)
[2024-01-27 14:47:24,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 122 remaining)
[2024-01-27 14:47:24,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 122 remaining)
[2024-01-27 14:47:24,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 122 remaining)
[2024-01-27 14:47:24,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 122 remaining)
[2024-01-27 14:47:24,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (37 of 122 remaining)
[2024-01-27 14:47:24,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 122 remaining)
[2024-01-27 14:47:24,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 122 remaining)
[2024-01-27 14:47:24,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 122 remaining)
[2024-01-27 14:47:24,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 122 remaining)
[2024-01-27 14:47:24,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 122 remaining)
[2024-01-27 14:47:24,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 122 remaining)
[2024-01-27 14:47:24,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 122 remaining)
[2024-01-27 14:47:24,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 122 remaining)
[2024-01-27 14:47:24,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 122 remaining)
[2024-01-27 14:47:24,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 122 remaining)
[2024-01-27 14:47:24,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 122 remaining)
[2024-01-27 14:47:24,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 122 remaining)
[2024-01-27 14:47:24,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 122 remaining)
[2024-01-27 14:47:24,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 122 remaining)
[2024-01-27 14:47:24,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 122 remaining)
[2024-01-27 14:47:24,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 122 remaining)
[2024-01-27 14:47:24,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 122 remaining)
[2024-01-27 14:47:24,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 122 remaining)
[2024-01-27 14:47:24,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 122 remaining)
[2024-01-27 14:47:24,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 122 remaining)
[2024-01-27 14:47:24,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 122 remaining)
[2024-01-27 14:47:24,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 122 remaining)
[2024-01-27 14:47:24,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 122 remaining)
[2024-01-27 14:47:24,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 122 remaining)
[2024-01-27 14:47:24,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 122 remaining)
[2024-01-27 14:47:24,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 122 remaining)
[2024-01-27 14:47:24,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 122 remaining)
[2024-01-27 14:47:24,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 122 remaining)
[2024-01-27 14:47:24,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 122 remaining)
[2024-01-27 14:47:24,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (7 of 122 remaining)
[2024-01-27 14:47:24,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 122 remaining)
[2024-01-27 14:47:24,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 122 remaining)
[2024-01-27 14:47:24,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 122 remaining)
[2024-01-27 14:47:24,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 122 remaining)
[2024-01-27 14:47:24,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 122 remaining)
[2024-01-27 14:47:24,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 122 remaining)
[2024-01-27 14:47:24,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 122 remaining)
[2024-01-27 14:47:24,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-01-27 14:47:24,128 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-01-27 14:47:24,129 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-01-27 14:47:24,129 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2024-01-27 14:47:24,163 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-01-27 14:47:24,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 195 places, 186 transitions, 400 flow
[2024-01-27 14:47:24,182 INFO L124 PetriNetUnfolderBase]: 0/194 cut-off events.
[2024-01-27 14:47:24,182 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES.
[2024-01-27 14:47:24,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 194 events. 0/194 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1043 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place.
[2024-01-27 14:47:24,183 INFO L82 GeneralOperation]: Start removeDead. Operand has 195 places, 186 transitions, 400 flow
[2024-01-27 14:47:24,209 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 195 places, 186 transitions, 400 flow
[2024-01-27 14:47:24,210 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-01-27 14:47:24,210 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@2c3a7c4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-27 14:47:24,210 INFO L358 AbstractCegarLoop]: Starting to check reachability of 152 error locations.
[2024-01-27 14:47:24,211 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-01-27 14:47:24,211 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events.
[2024-01-27 14:47:24,211 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-01-27 14:47:24,211 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:24,211 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-01-27 14:47:24,211 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 149 more)] ===
[2024-01-27 14:47:24,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:24,212 INFO L85 PathProgramCache]: Analyzing trace with hash 23890, now seen corresponding path program 1 times
[2024-01-27 14:47:24,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:24,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647787260]
[2024-01-27 14:47:24,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:24,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:24,220 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 14:47:24,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:24,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647787260]
[2024-01-27 14:47:24,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647787260] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:24,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:24,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-01-27 14:47:24,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630660982]
[2024-01-27 14:47:24,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:24,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-01-27 14:47:24,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:24,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-01-27 14:47:24,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-01-27 14:47:24,222 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 186
[2024-01-27 14:47:24,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 186 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 14:47:24,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:24,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 186
[2024-01-27 14:47:24,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 14:47:31,239 INFO L124 PetriNetUnfolderBase]: 67779/123063 cut-off events.
[2024-01-27 14:47:31,239 INFO L125 PetriNetUnfolderBase]: For 12854/12854 co-relation queries the response was YES.
[2024-01-27 14:47:31,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218503 conditions, 123063 events. 67779/123063 cut-off events. For 12854/12854 co-relation queries the response was YES. Maximal size of possible extension queue 6364. Compared 1406867 event pairs, 67779 based on Foata normal form. 0/63010 useless extension candidates. Maximal degree in co-relation 17844. Up to 90002 conditions per place.
[2024-01-27 14:47:32,232 INFO L140 encePairwiseOnDemand]: 126/186 looper letters, 41 selfloop transitions, 2 changer transitions 0/104 dead transitions.
[2024-01-27 14:47:32,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 104 transitions, 322 flow
[2024-01-27 14:47:32,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-01-27 14:47:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-01-27 14:47:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions.
[2024-01-27 14:47:32,235 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6164874551971327
[2024-01-27 14:47:32,236 INFO L175 Difference]: Start difference. First operand has 195 places, 186 transitions, 400 flow. Second operand 3 states and 344 transitions.
[2024-01-27 14:47:32,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 104 transitions, 322 flow
[2024-01-27 14:47:32,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 104 transitions, 316 flow, removed 3 selfloop flow, removed 0 redundant places.
[2024-01-27 14:47:32,244 INFO L231 Difference]: Finished difference. Result has 115 places, 104 transitions, 234 flow
[2024-01-27 14:47:32,245 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=115, PETRI_TRANSITIONS=104}
[2024-01-27 14:47:32,246 INFO L281 CegarLoopForPetriNet]: 195 programPoint places, -80 predicate places.
[2024-01-27 14:47:32,246 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 104 transitions, 234 flow
[2024-01-27 14:47:32,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 14:47:32,246 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:32,246 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-01-27 14:47:32,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-01-27 14:47:32,247 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 149 more)] ===
[2024-01-27 14:47:32,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:32,247 INFO L85 PathProgramCache]: Analyzing trace with hash 611275584, now seen corresponding path program 1 times
[2024-01-27 14:47:32,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:32,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902086021]
[2024-01-27 14:47:32,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:32,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:32,310 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 14:47:32,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:32,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902086021]
[2024-01-27 14:47:32,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902086021] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:32,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:32,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-01-27 14:47:32,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268939910]
[2024-01-27 14:47:32,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:32,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-01-27 14:47:32,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:32,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-01-27 14:47:32,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-01-27 14:47:32,326 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 186
[2024-01-27 14:47:32,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 104 transitions, 234 flow. Second operand has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 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 14:47:32,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:32,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 186
[2024-01-27 14:47:32,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 14:47:38,479 INFO L124 PetriNetUnfolderBase]: 60779/110513 cut-off events.
[2024-01-27 14:47:38,479 INFO L125 PetriNetUnfolderBase]: For 3223/3223 co-relation queries the response was YES.
[2024-01-27 14:47:38,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194301 conditions, 110513 events. 60779/110513 cut-off events. For 3223/3223 co-relation queries the response was YES. Maximal size of possible extension queue 5364. Compared 1240095 event pairs, 48789 based on Foata normal form. 4444/64192 useless extension candidates. Maximal degree in co-relation 194288. Up to 73776 conditions per place.
[2024-01-27 14:47:39,314 INFO L140 encePairwiseOnDemand]: 178/186 looper letters, 72 selfloop transitions, 2 changer transitions 0/130 dead transitions.
[2024-01-27 14:47:39,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 130 transitions, 449 flow
[2024-01-27 14:47:39,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-27 14:47:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-01-27 14:47:39,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 384 transitions.
[2024-01-27 14:47:39,316 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5161290322580645
[2024-01-27 14:47:39,316 INFO L175 Difference]: Start difference. First operand has 115 places, 104 transitions, 234 flow. Second operand 4 states and 384 transitions.
[2024-01-27 14:47:39,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 130 transitions, 449 flow
[2024-01-27 14:47:39,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 130 transitions, 445 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-01-27 14:47:39,321 INFO L231 Difference]: Finished difference. Result has 110 places, 98 transitions, 222 flow
[2024-01-27 14:47:39,322 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=222, PETRI_PLACES=110, PETRI_TRANSITIONS=98}
[2024-01-27 14:47:39,322 INFO L281 CegarLoopForPetriNet]: 195 programPoint places, -85 predicate places.
[2024-01-27 14:47:39,322 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 98 transitions, 222 flow
[2024-01-27 14:47:39,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 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 14:47:39,322 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:39,323 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-01-27 14:47:39,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-01-27 14:47:39,323 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 149 more)] ===
[2024-01-27 14:47:39,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:39,323 INFO L85 PathProgramCache]: Analyzing trace with hash -977995731, now seen corresponding path program 1 times
[2024-01-27 14:47:39,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:39,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836976331]
[2024-01-27 14:47:39,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:39,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:39,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-01-27 14:47:39,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:39,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836976331]
[2024-01-27 14:47:39,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836976331] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:39,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:39,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-01-27 14:47:39,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469008780]
[2024-01-27 14:47:39,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:39,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-01-27 14:47:39,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:39,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-01-27 14:47:39,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-01-27 14:47:39,371 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 186
[2024-01-27 14:47:39,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 98 transitions, 222 flow. Second operand has 4 states, 4 states have (on average 77.75) internal successors, (311), 4 states have internal predecessors, (311), 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 14:47:39,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:39,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 186
[2024-01-27 14:47:39,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 14:47:43,658 INFO L124 PetriNetUnfolderBase]: 48225/82529 cut-off events.
[2024-01-27 14:47:43,658 INFO L125 PetriNetUnfolderBase]: For 2541/2541 co-relation queries the response was YES.
[2024-01-27 14:47:43,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149168 conditions, 82529 events. 48225/82529 cut-off events. For 2541/2541 co-relation queries the response was YES. Maximal size of possible extension queue 4048. Compared 838234 event pairs, 15791 based on Foata normal form. 3552/51016 useless extension candidates. Maximal degree in co-relation 149148. Up to 58640 conditions per place.
[2024-01-27 14:47:44,412 INFO L140 encePairwiseOnDemand]: 178/186 looper letters, 74 selfloop transitions, 2 changer transitions 0/128 dead transitions.
[2024-01-27 14:47:44,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 128 transitions, 444 flow
[2024-01-27 14:47:44,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-27 14:47:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-01-27 14:47:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 386 transitions.
[2024-01-27 14:47:44,417 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5188172043010753
[2024-01-27 14:47:44,417 INFO L175 Difference]: Start difference. First operand has 110 places, 98 transitions, 222 flow. Second operand 4 states and 386 transitions.
[2024-01-27 14:47:44,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 128 transitions, 444 flow
[2024-01-27 14:47:44,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 128 transitions, 441 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-01-27 14:47:44,420 INFO L231 Difference]: Finished difference. Result has 105 places, 92 transitions, 211 flow
[2024-01-27 14:47:44,421 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=211, PETRI_PLACES=105, PETRI_TRANSITIONS=92}
[2024-01-27 14:47:44,421 INFO L281 CegarLoopForPetriNet]: 195 programPoint places, -90 predicate places.
[2024-01-27 14:47:44,421 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 92 transitions, 211 flow
[2024-01-27 14:47:44,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.75) internal successors, (311), 4 states have internal predecessors, (311), 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 14:47:44,422 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:44,422 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-01-27 14:47:44,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-01-27 14:47:44,422 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 149 more)] ===
[2024-01-27 14:47:44,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:44,422 INFO L85 PathProgramCache]: Analyzing trace with hash -974655614, now seen corresponding path program 1 times
[2024-01-27 14:47:44,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:44,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671744707]
[2024-01-27 14:47:44,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:44,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:44,436 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 14:47:44,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:44,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671744707]
[2024-01-27 14:47:44,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671744707] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:44,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:44,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-01-27 14:47:44,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228887344]
[2024-01-27 14:47:44,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:44,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-01-27 14:47:44,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:44,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-01-27 14:47:44,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-01-27 14:47:44,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 186
[2024-01-27 14:47:44,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 92 transitions, 211 flow. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 14:47:44,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:44,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 186
[2024-01-27 14:47:44,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 14:47:48,522 INFO L124 PetriNetUnfolderBase]: 53783/80409 cut-off events.
[2024-01-27 14:47:48,523 INFO L125 PetriNetUnfolderBase]: For 3054/3054 co-relation queries the response was YES.
[2024-01-27 14:47:48,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154667 conditions, 80409 events. 53783/80409 cut-off events. For 3054/3054 co-relation queries the response was YES. Maximal size of possible extension queue 3848. Compared 690898 event pairs, 9335 based on Foata normal form. 0/51970 useless extension candidates. Maximal degree in co-relation 154648. Up to 58672 conditions per place.
[2024-01-27 14:47:49,245 INFO L140 encePairwiseOnDemand]: 179/186 looper letters, 69 selfloop transitions, 1 changer transitions 0/115 dead transitions.
[2024-01-27 14:47:49,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 115 transitions, 414 flow
[2024-01-27 14:47:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-01-27 14:47:49,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-01-27 14:47:49,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 289 transitions.
[2024-01-27 14:47:49,246 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.517921146953405
[2024-01-27 14:47:49,246 INFO L175 Difference]: Start difference. First operand has 105 places, 92 transitions, 211 flow. Second operand 3 states and 289 transitions.
[2024-01-27 14:47:49,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 115 transitions, 414 flow
[2024-01-27 14:47:49,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 115 transitions, 409 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-01-27 14:47:49,250 INFO L231 Difference]: Finished difference. Result has 99 places, 86 transitions, 198 flow
[2024-01-27 14:47:49,250 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=99, PETRI_TRANSITIONS=86}
[2024-01-27 14:47:49,251 INFO L281 CegarLoopForPetriNet]: 195 programPoint places, -96 predicate places.
[2024-01-27 14:47:49,251 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 86 transitions, 198 flow
[2024-01-27 14:47:49,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 14:47:49,252 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:49,252 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1]
[2024-01-27 14:47:49,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-01-27 14:47:49,252 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 149 more)] ===
[2024-01-27 14:47:49,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:49,253 INFO L85 PathProgramCache]: Analyzing trace with hash 739271579, now seen corresponding path program 1 times
[2024-01-27 14:47:49,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:49,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441803029]
[2024-01-27 14:47:49,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:49,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-01-27 14:47:49,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:49,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441803029]
[2024-01-27 14:47:49,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441803029] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:49,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:49,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-01-27 14:47:49,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686716846]
[2024-01-27 14:47:49,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:49,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-01-27 14:47:49,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:49,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-01-27 14:47:49,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-01-27 14:47:49,314 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 186
[2024-01-27 14:47:49,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 86 transitions, 198 flow. Second operand has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 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 14:47:49,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:49,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 186
[2024-01-27 14:47:49,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 14:47:51,822 INFO L124 PetriNetUnfolderBase]: 28315/50041 cut-off events.
[2024-01-27 14:47:51,822 INFO L125 PetriNetUnfolderBase]: For 3527/3527 co-relation queries the response was YES.
[2024-01-27 14:47:51,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91043 conditions, 50041 events. 28315/50041 cut-off events. For 3527/3527 co-relation queries the response was YES. Maximal size of possible extension queue 2426. Compared 494694 event pairs, 559 based on Foata normal form. 2112/34106 useless extension candidates. Maximal degree in co-relation 91024. Up to 34400 conditions per place.
[2024-01-27 14:47:52,358 INFO L140 encePairwiseOnDemand]: 178/186 looper letters, 70 selfloop transitions, 2 changer transitions 0/116 dead transitions.
[2024-01-27 14:47:52,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 116 transitions, 411 flow
[2024-01-27 14:47:52,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-01-27 14:47:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-01-27 14:47:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 382 transitions.
[2024-01-27 14:47:52,359 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5134408602150538
[2024-01-27 14:47:52,360 INFO L175 Difference]: Start difference. First operand has 99 places, 86 transitions, 198 flow. Second operand 4 states and 382 transitions.
[2024-01-27 14:47:52,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 116 transitions, 411 flow
[2024-01-27 14:47:52,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 116 transitions, 408 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-01-27 14:47:52,364 INFO L231 Difference]: Finished difference. Result has 95 places, 80 transitions, 189 flow
[2024-01-27 14:47:52,364 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=189, PETRI_PLACES=95, PETRI_TRANSITIONS=80}
[2024-01-27 14:47:52,364 INFO L281 CegarLoopForPetriNet]: 195 programPoint places, -100 predicate places.
[2024-01-27 14:47:52,365 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 80 transitions, 189 flow
[2024-01-27 14:47:52,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 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 14:47:52,365 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:52,365 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-01-27 14:47:52,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-01-27 14:47:52,365 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 149 more)] ===
[2024-01-27 14:47:52,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:52,365 INFO L85 PathProgramCache]: Analyzing trace with hash 743969455, now seen corresponding path program 1 times
[2024-01-27 14:47:52,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:52,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600133678]
[2024-01-27 14:47:52,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:52,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-01-27 14:47:52,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:52,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600133678]
[2024-01-27 14:47:52,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600133678] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:52,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:52,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-01-27 14:47:52,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624588560]
[2024-01-27 14:47:52,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:52,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-01-27 14:47:52,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:52,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-01-27 14:47:52,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-01-27 14:47:52,396 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 186
[2024-01-27 14:47:52,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 80 transitions, 189 flow. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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 14:47:52,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:52,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 186
[2024-01-27 14:47:52,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-01-27 14:47:54,845 INFO L124 PetriNetUnfolderBase]: 31603/47629 cut-off events.
[2024-01-27 14:47:54,845 INFO L125 PetriNetUnfolderBase]: For 2042/2042 co-relation queries the response was YES.
[2024-01-27 14:47:54,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93431 conditions, 47629 events. 31603/47629 cut-off events. For 2042/2042 co-relation queries the response was YES. Maximal size of possible extension queue 2243. Compared 387682 event pairs, 5475 based on Foata normal form. 0/34154 useless extension candidates. Maximal degree in co-relation 93412. Up to 34672 conditions per place.
[2024-01-27 14:47:55,158 INFO L140 encePairwiseOnDemand]: 179/186 looper letters, 60 selfloop transitions, 1 changer transitions 0/98 dead transitions.
[2024-01-27 14:47:55,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 98 transitions, 360 flow
[2024-01-27 14:47:55,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-01-27 14:47:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-01-27 14:47:55,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 280 transitions.
[2024-01-27 14:47:55,160 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5017921146953405
[2024-01-27 14:47:55,160 INFO L175 Difference]: Start difference. First operand has 95 places, 80 transitions, 189 flow. Second operand 3 states and 280 transitions.
[2024-01-27 14:47:55,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 98 transitions, 360 flow
[2024-01-27 14:47:55,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 98 transitions, 355 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-01-27 14:47:55,163 INFO L231 Difference]: Finished difference. Result has 89 places, 74 transitions, 176 flow
[2024-01-27 14:47:55,164 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=89, PETRI_TRANSITIONS=74}
[2024-01-27 14:47:55,164 INFO L281 CegarLoopForPetriNet]: 195 programPoint places, -106 predicate places.
[2024-01-27 14:47:55,164 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 74 transitions, 176 flow
[2024-01-27 14:47:55,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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 14:47:55,164 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:55,164 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1]
[2024-01-27 14:47:55,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-01-27 14:47:55,164 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 149 more)] ===
[2024-01-27 14:47:55,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:55,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1769774388, now seen corresponding path program 1 times
[2024-01-27 14:47:55,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:55,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817618568]
[2024-01-27 14:47:55,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:55,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-01-27 14:47:55,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-01-27 14:47:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-01-27 14:47:55,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-01-27 14:47:55,202 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2024-01-27 14:47:55,202 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (151 of 152 remaining)
[2024-01-27 14:47:55,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (150 of 152 remaining)
[2024-01-27 14:47:55,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (149 of 152 remaining)
[2024-01-27 14:47:55,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (148 of 152 remaining)
[2024-01-27 14:47:55,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (147 of 152 remaining)
[2024-01-27 14:47:55,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (146 of 152 remaining)
[2024-01-27 14:47:55,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (145 of 152 remaining)
[2024-01-27 14:47:55,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (144 of 152 remaining)
[2024-01-27 14:47:55,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (143 of 152 remaining)
[2024-01-27 14:47:55,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (142 of 152 remaining)
[2024-01-27 14:47:55,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (141 of 152 remaining)
[2024-01-27 14:47:55,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 152 remaining)
[2024-01-27 14:47:55,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (139 of 152 remaining)
[2024-01-27 14:47:55,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 152 remaining)
[2024-01-27 14:47:55,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (137 of 152 remaining)
[2024-01-27 14:47:55,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 152 remaining)
[2024-01-27 14:47:55,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 152 remaining)
[2024-01-27 14:47:55,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 152 remaining)
[2024-01-27 14:47:55,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 152 remaining)
[2024-01-27 14:47:55,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 152 remaining)
[2024-01-27 14:47:55,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 152 remaining)
[2024-01-27 14:47:55,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (130 of 152 remaining)
[2024-01-27 14:47:55,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 152 remaining)
[2024-01-27 14:47:55,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (128 of 152 remaining)
[2024-01-27 14:47:55,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 152 remaining)
[2024-01-27 14:47:55,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 152 remaining)
[2024-01-27 14:47:55,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 152 remaining)
[2024-01-27 14:47:55,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 152 remaining)
[2024-01-27 14:47:55,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 152 remaining)
[2024-01-27 14:47:55,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 152 remaining)
[2024-01-27 14:47:55,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 152 remaining)
[2024-01-27 14:47:55,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 152 remaining)
[2024-01-27 14:47:55,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 152 remaining)
[2024-01-27 14:47:55,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 152 remaining)
[2024-01-27 14:47:55,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 152 remaining)
[2024-01-27 14:47:55,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 152 remaining)
[2024-01-27 14:47:55,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 152 remaining)
[2024-01-27 14:47:55,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 152 remaining)
[2024-01-27 14:47:55,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 152 remaining)
[2024-01-27 14:47:55,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 152 remaining)
[2024-01-27 14:47:55,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 152 remaining)
[2024-01-27 14:47:55,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 152 remaining)
[2024-01-27 14:47:55,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 152 remaining)
[2024-01-27 14:47:55,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 152 remaining)
[2024-01-27 14:47:55,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 152 remaining)
[2024-01-27 14:47:55,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 152 remaining)
[2024-01-27 14:47:55,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 152 remaining)
[2024-01-27 14:47:55,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 152 remaining)
[2024-01-27 14:47:55,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 152 remaining)
[2024-01-27 14:47:55,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 152 remaining)
[2024-01-27 14:47:55,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 152 remaining)
[2024-01-27 14:47:55,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 152 remaining)
[2024-01-27 14:47:55,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 152 remaining)
[2024-01-27 14:47:55,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 152 remaining)
[2024-01-27 14:47:55,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (97 of 152 remaining)
[2024-01-27 14:47:55,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 152 remaining)
[2024-01-27 14:47:55,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 152 remaining)
[2024-01-27 14:47:55,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 152 remaining)
[2024-01-27 14:47:55,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 152 remaining)
[2024-01-27 14:47:55,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 152 remaining)
[2024-01-27 14:47:55,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 152 remaining)
[2024-01-27 14:47:55,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 152 remaining)
[2024-01-27 14:47:55,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 152 remaining)
[2024-01-27 14:47:55,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 152 remaining)
[2024-01-27 14:47:55,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 152 remaining)
[2024-01-27 14:47:55,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 152 remaining)
[2024-01-27 14:47:55,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 152 remaining)
[2024-01-27 14:47:55,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 152 remaining)
[2024-01-27 14:47:55,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 152 remaining)
[2024-01-27 14:47:55,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 152 remaining)
[2024-01-27 14:47:55,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 152 remaining)
[2024-01-27 14:47:55,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 152 remaining)
[2024-01-27 14:47:55,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 152 remaining)
[2024-01-27 14:47:55,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 152 remaining)
[2024-01-27 14:47:55,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 152 remaining)
[2024-01-27 14:47:55,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 152 remaining)
[2024-01-27 14:47:55,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 152 remaining)
[2024-01-27 14:47:55,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 152 remaining)
[2024-01-27 14:47:55,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 152 remaining)
[2024-01-27 14:47:55,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 152 remaining)
[2024-01-27 14:47:55,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 152 remaining)
[2024-01-27 14:47:55,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 152 remaining)
[2024-01-27 14:47:55,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 152 remaining)
[2024-01-27 14:47:55,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 152 remaining)
[2024-01-27 14:47:55,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (67 of 152 remaining)
[2024-01-27 14:47:55,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 152 remaining)
[2024-01-27 14:47:55,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 152 remaining)
[2024-01-27 14:47:55,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 152 remaining)
[2024-01-27 14:47:55,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 152 remaining)
[2024-01-27 14:47:55,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 152 remaining)
[2024-01-27 14:47:55,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 152 remaining)
[2024-01-27 14:47:55,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 152 remaining)
[2024-01-27 14:47:55,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 152 remaining)
[2024-01-27 14:47:55,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 152 remaining)
[2024-01-27 14:47:55,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 152 remaining)
[2024-01-27 14:47:55,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 152 remaining)
[2024-01-27 14:47:55,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 152 remaining)
[2024-01-27 14:47:55,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 152 remaining)
[2024-01-27 14:47:55,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 152 remaining)
[2024-01-27 14:47:55,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 152 remaining)
[2024-01-27 14:47:55,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 152 remaining)
[2024-01-27 14:47:55,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 152 remaining)
[2024-01-27 14:47:55,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 152 remaining)
[2024-01-27 14:47:55,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 152 remaining)
[2024-01-27 14:47:55,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 152 remaining)
[2024-01-27 14:47:55,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 152 remaining)
[2024-01-27 14:47:55,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 152 remaining)
[2024-01-27 14:47:55,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 152 remaining)
[2024-01-27 14:47:55,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 152 remaining)
[2024-01-27 14:47:55,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 152 remaining)
[2024-01-27 14:47:55,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 152 remaining)
[2024-01-27 14:47:55,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 152 remaining)
[2024-01-27 14:47:55,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 152 remaining)
[2024-01-27 14:47:55,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 152 remaining)
[2024-01-27 14:47:55,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (37 of 152 remaining)
[2024-01-27 14:47:55,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 152 remaining)
[2024-01-27 14:47:55,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 152 remaining)
[2024-01-27 14:47:55,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 152 remaining)
[2024-01-27 14:47:55,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 152 remaining)
[2024-01-27 14:47:55,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 152 remaining)
[2024-01-27 14:47:55,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 152 remaining)
[2024-01-27 14:47:55,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 152 remaining)
[2024-01-27 14:47:55,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 152 remaining)
[2024-01-27 14:47:55,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 152 remaining)
[2024-01-27 14:47:55,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 152 remaining)
[2024-01-27 14:47:55,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 152 remaining)
[2024-01-27 14:47:55,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 152 remaining)
[2024-01-27 14:47:55,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 152 remaining)
[2024-01-27 14:47:55,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 152 remaining)
[2024-01-27 14:47:55,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 152 remaining)
[2024-01-27 14:47:55,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 152 remaining)
[2024-01-27 14:47:55,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 152 remaining)
[2024-01-27 14:47:55,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 152 remaining)
[2024-01-27 14:47:55,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 152 remaining)
[2024-01-27 14:47:55,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 152 remaining)
[2024-01-27 14:47:55,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 152 remaining)
[2024-01-27 14:47:55,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 152 remaining)
[2024-01-27 14:47:55,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 152 remaining)
[2024-01-27 14:47:55,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 152 remaining)
[2024-01-27 14:47:55,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 152 remaining)
[2024-01-27 14:47:55,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 152 remaining)
[2024-01-27 14:47:55,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 152 remaining)
[2024-01-27 14:47:55,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 152 remaining)
[2024-01-27 14:47:55,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 152 remaining)
[2024-01-27 14:47:55,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (7 of 152 remaining)
[2024-01-27 14:47:55,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 152 remaining)
[2024-01-27 14:47:55,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 152 remaining)
[2024-01-27 14:47:55,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 152 remaining)
[2024-01-27 14:47:55,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 152 remaining)
[2024-01-27 14:47:55,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 152 remaining)
[2024-01-27 14:47:55,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 152 remaining)
[2024-01-27 14:47:55,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 152 remaining)
[2024-01-27 14:47:55,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-01-27 14:47:55,221 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2024-01-27 14:47:55,221 WARN L234 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-01-27 14:47:55,221 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances.
[2024-01-27 14:47:55,260 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-01-27 14:47:55,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 242 places, 231 transitions, 502 flow
[2024-01-27 14:47:55,279 INFO L124 PetriNetUnfolderBase]: 0/241 cut-off events.
[2024-01-27 14:47:55,280 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES.
[2024-01-27 14:47:55,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 241 events. 0/241 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1401 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place.
[2024-01-27 14:47:55,280 INFO L82 GeneralOperation]: Start removeDead. Operand has 242 places, 231 transitions, 502 flow
[2024-01-27 14:47:55,284 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 242 places, 231 transitions, 502 flow
[2024-01-27 14:47:55,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-01-27 14:47:55,285 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@2c3a7c4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-27 14:47:55,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 182 error locations.
[2024-01-27 14:47:55,285 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-01-27 14:47:55,285 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events.
[2024-01-27 14:47:55,286 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-01-27 14:47:55,286 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-01-27 14:47:55,286 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-01-27 14:47:55,286 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 179 more)] ===
[2024-01-27 14:47:55,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-01-27 14:47:55,286 INFO L85 PathProgramCache]: Analyzing trace with hash 31282, now seen corresponding path program 1 times
[2024-01-27 14:47:55,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-27 14:47:55,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863637034]
[2024-01-27 14:47:55,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-27 14:47:55,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-27 14:47:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-27 14:47:55,294 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 14:47:55,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-27 14:47:55,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863637034]
[2024-01-27 14:47:55,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863637034] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-27 14:47:55,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-27 14:47:55,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-01-27 14:47:55,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122313767]
[2024-01-27 14:47:55,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-27 14:47:55,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-01-27 14:47:55,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-27 14:47:55,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-01-27 14:47:55,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-01-27 14:47:55,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 231
[2024-01-27 14:47:55,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 231 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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 14:47:55,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-01-27 14:47:55,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 231
[2024-01-27 14:47:55,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand