./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.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/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.yml/witness.yml --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 59af5db6
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/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.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-59af5db-m
[2024-02-02 09:17:56,325 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-02-02 09:17:56,381 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-02-02 09:17:56,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-02-02 09:17:56,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-02-02 09:17:56,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-02-02 09:17:56,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-02-02 09:17:56,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-02-02 09:17:56,403 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-02-02 09:17:56,404 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-02-02 09:17:56,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-02-02 09:17:56,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-02-02 09:17:56,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-02-02 09:17:56,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-02-02 09:17:56,406 INFO L153 SettingsManager]: * Use SBE=true
[2024-02-02 09:17:56,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-02-02 09:17:56,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-02-02 09:17:56,409 INFO L153 SettingsManager]: * sizeof long=4
[2024-02-02 09:17:56,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-02-02 09:17:56,410 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-02-02 09:17:56,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-02-02 09:17:56,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-02-02 09:17:56,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-02-02 09:17:56,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-02-02 09:17:56,411 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-02-02 09:17:56,411 INFO L153 SettingsManager]: * sizeof long double=12
[2024-02-02 09:17:56,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-02-02 09:17:56,411 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-02-02 09:17:56,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-02-02 09:17:56,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-02-02 09:17:56,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-02-02 09:17:56,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-02-02 09:17:56,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-02-02 09:17:56,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-02-02 09:17:56,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-02-02 09:17:56,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-02-02 09:17:56,414 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-02-02 09:17:56,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-02-02 09:17:56,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-02-02 09:17:56,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-02-02 09:17:56,415 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-02-02 09:17:56,415 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-02-02 09:17:56,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-02-02 09:17:56,415 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false
[2024-02-02 09:17:56,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-02-02 09:17:56,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-02-02 09:17:56,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-02-02 09:17:56,608 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-02-02 09:17:56,609 INFO L274 PluginConnector]: Witness Parser initialized
[2024-02-02 09:17:56,610 INFO L431 ainManager$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/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.yml/witness.yml
[2024-02-02 09:17:56,762 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-02-02 09:17:56,762 INFO L274 PluginConnector]: CDTParser initialized
[2024-02-02 09:17:56,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i
[2024-02-02 09:17:57,912 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-02-02 09:17:58,111 INFO L384 CDTParser]: Found 1 translation units.
[2024-02-02 09:17:58,111 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i
[2024-02-02 09:17:58,122 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebad56579/6cf8b75afd844927ad9714226846cc5f/FLAGae099d442
[2024-02-02 09:17:58,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebad56579/6cf8b75afd844927ad9714226846cc5f
[2024-02-02 09:17:58,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-02-02 09:17:58,135 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-02-02 09:17:58,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-02-02 09:17:58,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-02-02 09:17:58,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-02-02 09:17:58,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:17:56" (1/2) ...
[2024-02-02 09:17:58,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f208478 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:17:58, skipping insertion in model container
[2024-02-02 09:17:58,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:17:56" (1/2) ...
[2024-02-02 09:17:58,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@566d3c1f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:17:58, skipping insertion in model container
[2024-02-02 09:17:58,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:17:58" (2/2) ...
[2024-02-02 09:17:58,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f208478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58, skipping insertion in model container
[2024-02-02 09:17:58,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:17:58" (2/2) ...
[2024-02-02 09:17:58,149 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness
[2024-02-02 09:17:58,190 INFO L99 nessWitnessExtractor]: Found the following entries in the witness:
[2024-02-02 09:17:58,192 INFO L101 nessWitnessExtractor]: Location invariant before [L697-L697] (((0 <= g) && (g <= 42)) && (g <= 127)) && ((g == 0 || g == 17) || g == 42)
[2024-02-02 09:17:58,192 INFO L101 nessWitnessExtractor]: Location invariant before [L700-L700] g == 42
[2024-02-02 09:17:58,192 INFO L101 nessWitnessExtractor]: Location invariant before [L698-L698] g == 42
[2024-02-02 09:17:58,192 INFO L101 nessWitnessExtractor]: Location invariant before [L702-L702] g == 42
[2024-02-02 09:17:58,192 INFO L101 nessWitnessExtractor]: Location invariant before [L699-L699] g == 42
[2024-02-02 09:17:58,193 INFO L101 nessWitnessExtractor]: Location invariant before [L694-L694] g == 0
[2024-02-02 09:17:58,193 INFO L101 nessWitnessExtractor]: Location invariant before [L696-L696] (((0 <= g) && (g <= 42)) && (g <= 127)) && ((g == 0 || g == 17) || g == 42)
[2024-02-02 09:17:58,193 INFO L101 nessWitnessExtractor]: Location invariant before [L701-L701] g == 42
[2024-02-02 09:17:58,193 INFO L101 nessWitnessExtractor]: Location invariant before [L686-L686] ((((0 <= g) && (g <= 42)) && (g <= 127)) && ((unsigned long )arg == 0UL)) && ((g == 0 || g == 17) || g == 42)
[2024-02-02 09:17:58,194 INFO L101 nessWitnessExtractor]: Location invariant before [L19-L19] (g == 42) && (g == 42)
[2024-02-02 09:17:58,194 INFO L101 nessWitnessExtractor]: Location invariant before [L689-L689] (g == 17) && ((unsigned long )arg == 0UL)
[2024-02-02 09:17:58,194 INFO L101 nessWitnessExtractor]: Location invariant before [L688-L688] (g == 17) && ((unsigned long )arg == 0UL)
[2024-02-02 09:17:58,194 INFO L101 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL
[2024-02-02 09:17:58,194 INFO L101 nessWitnessExtractor]: Location invariant before [L687-L687] ((((0 <= g) && (g <= 42)) && (g <= 127)) && ((unsigned long )arg == 0UL)) && ((g == 0 || g == 17) || g == 42)
[2024-02-02 09:17:58,194 INFO L101 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL
[2024-02-02 09:17:58,233 INFO L177 MainTranslator]: Built tables and reachable declarations
[2024-02-02 09:17:58,379 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i[1129,1142]
[2024-02-02 09:17:58,551 INFO L209 PostProcessor]: Analyzing one entry point: main
[2024-02-02 09:17:58,562 INFO L202 MainTranslator]: Completed pre-run
[2024-02-02 09:17:58,572 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i[1129,1142]
[2024-02-02 09:17:58,573 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } } 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
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
[2024-02-02 09:17:58,643 INFO L209 PostProcessor]: Analyzing one entry point: main
[2024-02-02 09:17:58,687 INFO L206 MainTranslator]: Completed translation
[2024-02-02 09:17:58,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58 WrapperNode
[2024-02-02 09:17:58,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-02-02 09:17:58,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-02-02 09:17:58,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-02-02 09:17:58,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-02-02 09:17:58,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58" (1/1) ...
[2024-02-02 09:17:58,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58" (1/1) ...
[2024-02-02 09:17:58,761 INFO L138 Inliner]: procedures = 163, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69
[2024-02-02 09:17:58,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-02-02 09:17:58,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-02-02 09:17:58,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-02-02 09:17:58,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-02-02 09:17:58,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58" (1/1) ...
[2024-02-02 09:17:58,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58" (1/1) ...
[2024-02-02 09:17:58,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58" (1/1) ...
[2024-02-02 09:17:58,784 INFO L175 MemorySlicer]: Split 13 memory accesses to 4 slices as follows [2, 5, 1, 5]. 38 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 0, 5]. The 1 writes are split as follows [0, 0, 1, 0].
[2024-02-02 09:17:58,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58" (1/1) ...
[2024-02-02 09:17:58,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58" (1/1) ...
[2024-02-02 09:17:58,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58" (1/1) ...
[2024-02-02 09:17:58,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58" (1/1) ...
[2024-02-02 09:17:58,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58" (1/1) ...
[2024-02-02 09:17:58,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58" (1/1) ...
[2024-02-02 09:17:58,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-02-02 09:17:58,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-02-02 09:17:58,794 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-02-02 09:17:58,794 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-02-02 09:17:58,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58" (1/1) ...
[2024-02-02 09:17:58,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-02-02 09:17:58,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-02-02 09:17:58,829 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)
[2024-02-02 09:17:58,849 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
[2024-02-02 09:17:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-02-02 09:17:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-02-02 09:17:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-02-02 09:17:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-02-02 09:17:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-02-02 09:17:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-02-02 09:17:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-02-02 09:17:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-02-02 09:17:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-02-02 09:17:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-02-02 09:17:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-02-02 09:17:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-02-02 09:17:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-02-02 09:17:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-02-02 09:17:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-02-02 09:17:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-02-02 09:17:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-02-02 09:17:58,866 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-02-02 09:17:58,961 INFO L244 CfgBuilder]: Building ICFG
[2024-02-02 09:17:58,963 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-02-02 09:17:59,170 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program.
[2024-02-02 09:17:59,170 INFO L293 CfgBuilder]: Performing block encoding
[2024-02-02 09:17:59,266 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-02-02 09:17:59,267 INFO L320 CfgBuilder]: Removed 0 assume(true) statements.
[2024-02-02 09:17:59,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:17:59 BoogieIcfgContainer
[2024-02-02 09:17:59,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-02-02 09:17:59,268 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-02-02 09:17:59,269 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-02-02 09:17:59,271 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-02-02 09:17:59,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:17:56" (1/4) ...
[2024-02-02 09:17:59,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2f7928 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:17:59, skipping insertion in model container
[2024-02-02 09:17:59,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:17:58" (2/4) ...
[2024-02-02 09:17:59,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2f7928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:17:59, skipping insertion in model container
[2024-02-02 09:17:59,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:17:58" (3/4) ...
[2024-02-02 09:17:59,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2f7928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:17:59, skipping insertion in model container
[2024-02-02 09:17:59,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:17:59" (4/4) ...
[2024-02-02 09:17:59,274 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i
[2024-02-02 09:17:59,287 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-02-02 09:17:59,290 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations.
[2024-02-02 09:17:59,290 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-02-02 09:17:59,348 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-02-02 09:17:59,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 58 transitions, 120 flow
[2024-02-02 09:17:59,409 INFO L124 PetriNetUnfolderBase]: 1/57 cut-off events.
[2024-02-02 09:17:59,409 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-02-02 09:17:59,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 57 events. 1/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place.
[2024-02-02 09:17:59,412 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 58 transitions, 120 flow
[2024-02-02 09:17:59,414 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 57 transitions, 117 flow
[2024-02-02 09:17:59,421 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-02-02 09:17:59,426 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;@c639176, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-02-02 09:17:59,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations.
[2024-02-02 09:17:59,428 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-02-02 09:17:59,429 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events.
[2024-02-02 09:17:59,429 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-02-02 09:17:59,429 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-02-02 09:17:59,429 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-02-02 09:17:59,430 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 19 more)] ===
[2024-02-02 09:17:59,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-02-02 09:17:59,434 INFO L85 PathProgramCache]: Analyzing trace with hash 7940, now seen corresponding path program 1 times
[2024-02-02 09:17:59,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-02 09:17:59,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835084653]
[2024-02-02 09:17:59,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-02 09:17:59,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-02 09:17:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-02 09:17:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-02 09:17:59,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-02 09:17:59,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835084653]
[2024-02-02 09:17:59,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835084653] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-02 09:17:59,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-02 09:17:59,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-02-02 09:17:59,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615254479]
[2024-02-02 09:17:59,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-02 09:17:59,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-02 09:17:59,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-02 09:17:59,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-02 09:17:59,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-02 09:17:59,709 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 58
[2024-02-02 09:17:59,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 57 transitions, 117 flow. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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)
[2024-02-02 09:17:59,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-02 09:17:59,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 58
[2024-02-02 09:17:59,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-02 09:17:59,796 INFO L124 PetriNetUnfolderBase]: 130/407 cut-off events.
[2024-02-02 09:17:59,796 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-02-02 09:17:59,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 407 events. 130/407 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2061 event pairs, 82 based on Foata normal form. 12/403 useless extension candidates. Maximal degree in co-relation 689. Up to 269 conditions per place.
[2024-02-02 09:17:59,800 INFO L140 encePairwiseOnDemand]: 51/58 looper letters, 32 selfloop transitions, 3 changer transitions 0/62 dead transitions.
[2024-02-02 09:17:59,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 62 transitions, 197 flow
[2024-02-02 09:17:59,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-02-02 09:17:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-02 09:17:59,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 123 transitions.
[2024-02-02 09:17:59,810 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7068965517241379
[2024-02-02 09:17:59,811 INFO L175 Difference]: Start difference. First operand has 60 places, 57 transitions, 117 flow. Second operand 3 states and 123 transitions.
[2024-02-02 09:17:59,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 62 transitions, 197 flow
[2024-02-02 09:17:59,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 62 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-02-02 09:17:59,815 INFO L231 Difference]: Finished difference. Result has 61 places, 57 transitions, 133 flow
[2024-02-02 09:17:59,817 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=133, PETRI_PLACES=61, PETRI_TRANSITIONS=57}
[2024-02-02 09:17:59,820 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 1 predicate places.
[2024-02-02 09:17:59,820 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 57 transitions, 133 flow
[2024-02-02 09:17:59,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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)
[2024-02-02 09:17:59,820 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-02-02 09:17:59,821 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2024-02-02 09:17:59,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-02-02 09:17:59,821 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 19 more)] ===
[2024-02-02 09:17:59,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-02-02 09:17:59,822 INFO L85 PathProgramCache]: Analyzing trace with hash 236834759, now seen corresponding path program 1 times
[2024-02-02 09:17:59,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-02 09:17:59,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586231368]
[2024-02-02 09:17:59,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-02 09:17:59,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-02 09:17:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-02 09:17:59,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-02 09:17:59,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-02 09:17:59,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586231368]
[2024-02-02 09:17:59,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586231368] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-02 09:17:59,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-02 09:17:59,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-02-02 09:17:59,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892695996]
[2024-02-02 09:17:59,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-02 09:17:59,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-02-02 09:17:59,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-02 09:17:59,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-02-02 09:17:59,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-02-02 09:17:59,977 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 58
[2024-02-02 09:17:59,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 57 transitions, 133 flow. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 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)
[2024-02-02 09:17:59,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-02 09:17:59,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 58
[2024-02-02 09:17:59,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-02 09:18:00,098 INFO L124 PetriNetUnfolderBase]: 77/328 cut-off events.
[2024-02-02 09:18:00,099 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES.
[2024-02-02 09:18:00,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 328 events. 77/328 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1613 event pairs, 50 based on Foata normal form. 12/294 useless extension candidates. Maximal degree in co-relation 530. Up to 161 conditions per place.
[2024-02-02 09:18:00,106 INFO L140 encePairwiseOnDemand]: 54/58 looper letters, 32 selfloop transitions, 2 changer transitions 0/66 dead transitions.
[2024-02-02 09:18:00,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 66 transitions, 222 flow
[2024-02-02 09:18:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-02-02 09:18:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-02-02 09:18:00,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 170 transitions.
[2024-02-02 09:18:00,116 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7327586206896551
[2024-02-02 09:18:00,116 INFO L175 Difference]: Start difference. First operand has 61 places, 57 transitions, 133 flow. Second operand 4 states and 170 transitions.
[2024-02-02 09:18:00,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 66 transitions, 222 flow
[2024-02-02 09:18:00,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 66 transitions, 218 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-02-02 09:18:00,119 INFO L231 Difference]: Finished difference. Result has 61 places, 55 transitions, 130 flow
[2024-02-02 09:18:00,119 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=130, PETRI_PLACES=61, PETRI_TRANSITIONS=55}
[2024-02-02 09:18:00,120 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 1 predicate places.
[2024-02-02 09:18:00,120 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 55 transitions, 130 flow
[2024-02-02 09:18:00,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 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)
[2024-02-02 09:18:00,120 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-02-02 09:18:00,121 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-02 09:18:00,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-02-02 09:18:00,122 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 19 more)] ===
[2024-02-02 09:18:00,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-02-02 09:18:00,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1086685871, now seen corresponding path program 1 times
[2024-02-02 09:18:00,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-02 09:18:00,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198557413]
[2024-02-02 09:18:00,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-02 09:18:00,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-02 09:18:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-02 09:18:00,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-02 09:18:00,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-02 09:18:00,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198557413]
[2024-02-02 09:18:00,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198557413] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-02 09:18:00,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-02 09:18:00,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-02 09:18:00,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145716850]
[2024-02-02 09:18:00,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-02 09:18:00,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-02-02 09:18:00,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-02 09:18:00,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-02-02 09:18:00,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-02-02 09:18:00,319 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 58
[2024-02-02 09:18:00,319 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 55 transitions, 130 flow. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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)
[2024-02-02 09:18:00,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-02 09:18:00,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 58
[2024-02-02 09:18:00,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-02 09:18:00,390 INFO L124 PetriNetUnfolderBase]: 197/574 cut-off events.
[2024-02-02 09:18:00,399 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES.
[2024-02-02 09:18:00,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 574 events. 197/574 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3031 event pairs, 101 based on Foata normal form. 4/552 useless extension candidates. Maximal degree in co-relation 1051. Up to 387 conditions per place.
[2024-02-02 09:18:00,404 INFO L140 encePairwiseOnDemand]: 52/58 looper letters, 42 selfloop transitions, 5 changer transitions 0/67 dead transitions.
[2024-02-02 09:18:00,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 67 transitions, 252 flow
[2024-02-02 09:18:00,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-02-02 09:18:00,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-02-02 09:18:00,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 133 transitions.
[2024-02-02 09:18:00,406 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5732758620689655
[2024-02-02 09:18:00,406 INFO L175 Difference]: Start difference. First operand has 61 places, 55 transitions, 130 flow. Second operand 4 states and 133 transitions.
[2024-02-02 09:18:00,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 67 transitions, 252 flow
[2024-02-02 09:18:00,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 67 transitions, 248 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-02 09:18:00,408 INFO L231 Difference]: Finished difference. Result has 64 places, 57 transitions, 155 flow
[2024-02-02 09:18:00,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=155, PETRI_PLACES=64, PETRI_TRANSITIONS=57}
[2024-02-02 09:18:00,409 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 4 predicate places.
[2024-02-02 09:18:00,409 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 57 transitions, 155 flow
[2024-02-02 09:18:00,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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)
[2024-02-02 09:18:00,409 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-02-02 09:18:00,409 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-02 09:18:00,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-02-02 09:18:00,410 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 19 more)] ===
[2024-02-02 09:18:00,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-02-02 09:18:00,410 INFO L85 PathProgramCache]: Analyzing trace with hash 866574903, now seen corresponding path program 1 times
[2024-02-02 09:18:00,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-02 09:18:00,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773123002]
[2024-02-02 09:18:00,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-02 09:18:00,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-02 09:18:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-02 09:18:00,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-02 09:18:00,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-02 09:18:00,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773123002]
[2024-02-02 09:18:00,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773123002] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-02 09:18:00,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-02 09:18:00,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-02 09:18:00,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110350525]
[2024-02-02 09:18:00,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-02 09:18:00,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-02 09:18:00,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-02 09:18:00,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-02 09:18:00,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-02 09:18:00,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 58
[2024-02-02 09:18:00,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 57 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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)
[2024-02-02 09:18:00,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-02 09:18:00,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 58
[2024-02-02 09:18:00,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-02 09:18:00,556 INFO L124 PetriNetUnfolderBase]: 186/604 cut-off events.
[2024-02-02 09:18:00,556 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES.
[2024-02-02 09:18:00,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1131 conditions, 604 events. 186/604 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3473 event pairs, 59 based on Foata normal form. 24/576 useless extension candidates. Maximal degree in co-relation 1115. Up to 248 conditions per place.
[2024-02-02 09:18:00,559 INFO L140 encePairwiseOnDemand]: 44/58 looper letters, 43 selfloop transitions, 9 changer transitions 0/73 dead transitions.
[2024-02-02 09:18:00,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 73 transitions, 291 flow
[2024-02-02 09:18:00,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-02-02 09:18:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-02 09:18:00,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions.
[2024-02-02 09:18:00,561 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7413793103448276
[2024-02-02 09:18:00,561 INFO L175 Difference]: Start difference. First operand has 64 places, 57 transitions, 155 flow. Second operand 3 states and 129 transitions.
[2024-02-02 09:18:00,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 73 transitions, 291 flow
[2024-02-02 09:18:00,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 73 transitions, 283 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-02 09:18:00,563 INFO L231 Difference]: Finished difference. Result has 66 places, 62 transitions, 217 flow
[2024-02-02 09:18:00,563 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=217, PETRI_PLACES=66, PETRI_TRANSITIONS=62}
[2024-02-02 09:18:00,564 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 6 predicate places.
[2024-02-02 09:18:00,564 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 62 transitions, 217 flow
[2024-02-02 09:18:00,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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)
[2024-02-02 09:18:00,564 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-02-02 09:18:00,564 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-02 09:18:00,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-02-02 09:18:00,565 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 19 more)] ===
[2024-02-02 09:18:00,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-02-02 09:18:00,565 INFO L85 PathProgramCache]: Analyzing trace with hash 2024662900, now seen corresponding path program 1 times
[2024-02-02 09:18:00,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-02 09:18:00,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279413509]
[2024-02-02 09:18:00,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-02 09:18:00,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-02 09:18:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-02 09:18:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-02 09:18:00,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-02 09:18:00,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279413509]
[2024-02-02 09:18:00,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279413509] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-02 09:18:00,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-02 09:18:00,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-02-02 09:18:00,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685644366]
[2024-02-02 09:18:00,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-02 09:18:00,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-02-02 09:18:00,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-02 09:18:00,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-02-02 09:18:00,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-02-02 09:18:00,650 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 58
[2024-02-02 09:18:00,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 62 transitions, 217 flow. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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)
[2024-02-02 09:18:00,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-02 09:18:00,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 58
[2024-02-02 09:18:00,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-02 09:18:00,764 INFO L124 PetriNetUnfolderBase]: 219/679 cut-off events.
[2024-02-02 09:18:00,764 INFO L125 PetriNetUnfolderBase]: For 310/319 co-relation queries the response was YES.
[2024-02-02 09:18:00,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1505 conditions, 679 events. 219/679 cut-off events. For 310/319 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3860 event pairs, 105 based on Foata normal form. 76/737 useless extension candidates. Maximal degree in co-relation 1489. Up to 324 conditions per place.
[2024-02-02 09:18:00,768 INFO L140 encePairwiseOnDemand]: 46/58 looper letters, 56 selfloop transitions, 5 changer transitions 2/81 dead transitions.
[2024-02-02 09:18:00,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 81 transitions, 367 flow
[2024-02-02 09:18:00,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-02-02 09:18:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-02-02 09:18:00,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 150 transitions.
[2024-02-02 09:18:00,769 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.646551724137931
[2024-02-02 09:18:00,769 INFO L175 Difference]: Start difference. First operand has 66 places, 62 transitions, 217 flow. Second operand 4 states and 150 transitions.
[2024-02-02 09:18:00,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 81 transitions, 367 flow
[2024-02-02 09:18:00,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 81 transitions, 357 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-02-02 09:18:00,772 INFO L231 Difference]: Finished difference. Result has 66 places, 55 transitions, 186 flow
[2024-02-02 09:18:00,773 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=186, PETRI_PLACES=66, PETRI_TRANSITIONS=55}
[2024-02-02 09:18:00,773 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 6 predicate places.
[2024-02-02 09:18:00,773 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 55 transitions, 186 flow
[2024-02-02 09:18:00,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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)
[2024-02-02 09:18:00,774 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-02-02 09:18:00,774 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-02 09:18:00,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-02-02 09:18:00,774 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 19 more)] ===
[2024-02-02 09:18:00,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-02-02 09:18:00,774 INFO L85 PathProgramCache]: Analyzing trace with hash 47407634, now seen corresponding path program 1 times
[2024-02-02 09:18:00,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-02 09:18:00,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044247819]
[2024-02-02 09:18:00,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-02 09:18:00,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-02 09:18:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-02 09:18:00,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-02 09:18:00,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-02 09:18:00,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044247819]
[2024-02-02 09:18:00,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044247819] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-02 09:18:00,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-02 09:18:00,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-02-02 09:18:00,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627107021]
[2024-02-02 09:18:00,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-02 09:18:00,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-02 09:18:00,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-02 09:18:00,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-02 09:18:00,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-02 09:18:00,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 58
[2024-02-02 09:18:00,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 55 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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)
[2024-02-02 09:18:00,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-02 09:18:00,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 58
[2024-02-02 09:18:00,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-02 09:18:00,908 INFO L124 PetriNetUnfolderBase]: 57/338 cut-off events.
[2024-02-02 09:18:00,908 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES.
[2024-02-02 09:18:00,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 338 events. 57/338 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1790 event pairs, 25 based on Foata normal form. 11/332 useless extension candidates. Maximal degree in co-relation 645. Up to 113 conditions per place.
[2024-02-02 09:18:00,910 INFO L140 encePairwiseOnDemand]: 50/58 looper letters, 25 selfloop transitions, 8 changer transitions 4/66 dead transitions.
[2024-02-02 09:18:00,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 66 transitions, 290 flow
[2024-02-02 09:18:00,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-02-02 09:18:00,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-02 09:18:00,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions.
[2024-02-02 09:18:00,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8505747126436781
[2024-02-02 09:18:00,912 INFO L175 Difference]: Start difference. First operand has 66 places, 55 transitions, 186 flow. Second operand 3 states and 148 transitions.
[2024-02-02 09:18:00,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 66 transitions, 290 flow
[2024-02-02 09:18:00,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 66 transitions, 269 flow, removed 4 selfloop flow, removed 3 redundant places.
[2024-02-02 09:18:00,914 INFO L231 Difference]: Finished difference. Result has 63 places, 55 transitions, 193 flow
[2024-02-02 09:18:00,914 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=63, PETRI_TRANSITIONS=55}
[2024-02-02 09:18:00,915 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 3 predicate places.
[2024-02-02 09:18:00,915 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 55 transitions, 193 flow
[2024-02-02 09:18:00,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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)
[2024-02-02 09:18:00,916 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-02-02 09:18:00,916 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-02 09:18:00,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-02-02 09:18:00,916 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 19 more)] ===
[2024-02-02 09:18:00,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-02-02 09:18:00,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1890911614, now seen corresponding path program 1 times
[2024-02-02 09:18:00,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-02 09:18:00,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289364188]
[2024-02-02 09:18:00,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-02 09:18:00,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-02 09:18:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-02 09:18:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-02 09:18:00,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-02 09:18:00,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289364188]
[2024-02-02 09:18:00,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289364188] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-02 09:18:00,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-02 09:18:00,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-02-02 09:18:00,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097364647]
[2024-02-02 09:18:00,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-02 09:18:01,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-02-02 09:18:01,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-02 09:18:01,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-02-02 09:18:01,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-02-02 09:18:01,053 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 58
[2024-02-02 09:18:01,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 55 transitions, 193 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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)
[2024-02-02 09:18:01,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-02 09:18:01,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 58
[2024-02-02 09:18:01,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-02 09:18:01,200 INFO L124 PetriNetUnfolderBase]: 149/550 cut-off events.
[2024-02-02 09:18:01,201 INFO L125 PetriNetUnfolderBase]: For 278/281 co-relation queries the response was YES.
[2024-02-02 09:18:01,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1358 conditions, 550 events. 149/550 cut-off events. For 278/281 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3051 event pairs, 60 based on Foata normal form. 18/559 useless extension candidates. Maximal degree in co-relation 1341. Up to 233 conditions per place.
[2024-02-02 09:18:01,203 INFO L140 encePairwiseOnDemand]: 48/58 looper letters, 64 selfloop transitions, 10 changer transitions 0/88 dead transitions.
[2024-02-02 09:18:01,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 88 transitions, 459 flow
[2024-02-02 09:18:01,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-02-02 09:18:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-02-02 09:18:01,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 136 transitions.
[2024-02-02 09:18:01,217 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5862068965517241
[2024-02-02 09:18:01,217 INFO L175 Difference]: Start difference. First operand has 63 places, 55 transitions, 193 flow. Second operand 4 states and 136 transitions.
[2024-02-02 09:18:01,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 88 transitions, 459 flow
[2024-02-02 09:18:01,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 88 transitions, 441 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-02-02 09:18:01,220 INFO L231 Difference]: Finished difference. Result has 67 places, 61 transitions, 261 flow
[2024-02-02 09:18:01,221 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=261, PETRI_PLACES=67, PETRI_TRANSITIONS=61}
[2024-02-02 09:18:01,221 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places.
[2024-02-02 09:18:01,221 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 61 transitions, 261 flow
[2024-02-02 09:18:01,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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)
[2024-02-02 09:18:01,222 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-02-02 09:18:01,222 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-02 09:18:01,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-02-02 09:18:01,222 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 19 more)] ===
[2024-02-02 09:18:01,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-02-02 09:18:01,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1892856302, now seen corresponding path program 2 times
[2024-02-02 09:18:01,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-02 09:18:01,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104774386]
[2024-02-02 09:18:01,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-02 09:18:01,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-02 09:18:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-02 09:18:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-02 09:18:01,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-02 09:18:01,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104774386]
[2024-02-02 09:18:01,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104774386] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-02 09:18:01,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-02 09:18:01,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-02-02 09:18:01,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926458861]
[2024-02-02 09:18:01,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-02 09:18:01,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-02-02 09:18:01,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-02 09:18:01,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-02-02 09:18:01,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-02-02 09:18:01,321 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 58
[2024-02-02 09:18:01,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 61 transitions, 261 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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)
[2024-02-02 09:18:01,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-02 09:18:01,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 58
[2024-02-02 09:18:01,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-02 09:18:01,406 INFO L124 PetriNetUnfolderBase]: 152/574 cut-off events.
[2024-02-02 09:18:01,407 INFO L125 PetriNetUnfolderBase]: For 588/597 co-relation queries the response was YES.
[2024-02-02 09:18:01,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1483 conditions, 574 events. 152/574 cut-off events. For 588/597 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3204 event pairs, 55 based on Foata normal form. 22/585 useless extension candidates. Maximal degree in co-relation 1464. Up to 176 conditions per place.
[2024-02-02 09:18:01,409 INFO L140 encePairwiseOnDemand]: 51/58 looper letters, 54 selfloop transitions, 8 changer transitions 9/85 dead transitions.
[2024-02-02 09:18:01,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 85 transitions, 486 flow
[2024-02-02 09:18:01,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-02-02 09:18:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-02-02 09:18:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions.
[2024-02-02 09:18:01,410 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5431034482758621
[2024-02-02 09:18:01,410 INFO L175 Difference]: Start difference. First operand has 67 places, 61 transitions, 261 flow. Second operand 4 states and 126 transitions.
[2024-02-02 09:18:01,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 85 transitions, 486 flow
[2024-02-02 09:18:01,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 85 transitions, 481 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-02 09:18:01,413 INFO L231 Difference]: Finished difference. Result has 67 places, 59 transitions, 262 flow
[2024-02-02 09:18:01,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=262, PETRI_PLACES=67, PETRI_TRANSITIONS=59}
[2024-02-02 09:18:01,414 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places.
[2024-02-02 09:18:01,414 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 59 transitions, 262 flow
[2024-02-02 09:18:01,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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)
[2024-02-02 09:18:01,414 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-02-02 09:18:01,414 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-02 09:18:01,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-02-02 09:18:01,415 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 19 more)] ===
[2024-02-02 09:18:01,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-02-02 09:18:01,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1868619088, now seen corresponding path program 1 times
[2024-02-02 09:18:01,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-02 09:18:01,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168564603]
[2024-02-02 09:18:01,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-02 09:18:01,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-02 09:18:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-02 09:18:01,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-02 09:18:01,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-02 09:18:01,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168564603]
[2024-02-02 09:18:01,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168564603] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-02 09:18:01,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-02 09:18:01,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-02-02 09:18:01,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108160515]
[2024-02-02 09:18:01,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-02 09:18:01,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-02-02 09:18:01,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-02 09:18:01,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-02-02 09:18:01,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-02-02 09:18:01,494 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 58
[2024-02-02 09:18:01,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 59 transitions, 262 flow. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-02 09:18:01,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-02 09:18:01,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 58
[2024-02-02 09:18:01,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-02 09:18:01,591 INFO L124 PetriNetUnfolderBase]: 103/457 cut-off events.
[2024-02-02 09:18:01,591 INFO L125 PetriNetUnfolderBase]: For 557/562 co-relation queries the response was YES.
[2024-02-02 09:18:01,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1264 conditions, 457 events. 103/457 cut-off events. For 557/562 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2555 event pairs, 60 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 1245. Up to 170 conditions per place.
[2024-02-02 09:18:01,593 INFO L140 encePairwiseOnDemand]: 53/58 looper letters, 34 selfloop transitions, 8 changer transitions 8/66 dead transitions.
[2024-02-02 09:18:01,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 66 transitions, 391 flow
[2024-02-02 09:18:01,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-02-02 09:18:01,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-02-02 09:18:01,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 129 transitions.
[2024-02-02 09:18:01,594 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5560344827586207
[2024-02-02 09:18:01,594 INFO L175 Difference]: Start difference. First operand has 67 places, 59 transitions, 262 flow. Second operand 4 states and 129 transitions.
[2024-02-02 09:18:01,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 66 transitions, 391 flow
[2024-02-02 09:18:01,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 66 transitions, 381 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-02-02 09:18:01,597 INFO L231 Difference]: Finished difference. Result has 66 places, 55 transitions, 255 flow
[2024-02-02 09:18:01,597 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=255, PETRI_PLACES=66, PETRI_TRANSITIONS=55}
[2024-02-02 09:18:01,598 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 6 predicate places.
[2024-02-02 09:18:01,598 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 55 transitions, 255 flow
[2024-02-02 09:18:01,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-02 09:18:01,598 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-02-02 09:18:01,598 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-02 09:18:01,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-02-02 09:18:01,599 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 19 more)] ===
[2024-02-02 09:18:01,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-02-02 09:18:01,599 INFO L85 PathProgramCache]: Analyzing trace with hash -718317765, now seen corresponding path program 1 times
[2024-02-02 09:18:01,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-02 09:18:01,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805717478]
[2024-02-02 09:18:01,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-02 09:18:01,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-02 09:18:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-02 09:18:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-02 09:18:01,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-02 09:18:01,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805717478]
[2024-02-02 09:18:01,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805717478] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-02 09:18:01,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-02 09:18:01,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-02-02 09:18:01,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953448818]
[2024-02-02 09:18:01,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-02 09:18:01,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-02 09:18:01,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-02 09:18:01,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-02 09:18:01,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-02 09:18:01,644 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 58
[2024-02-02 09:18:01,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 55 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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)
[2024-02-02 09:18:01,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-02 09:18:01,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 58
[2024-02-02 09:18:01,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-02 09:18:01,695 INFO L124 PetriNetUnfolderBase]: 50/362 cut-off events.
[2024-02-02 09:18:01,695 INFO L125 PetriNetUnfolderBase]: For 610/627 co-relation queries the response was YES.
[2024-02-02 09:18:01,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 935 conditions, 362 events. 50/362 cut-off events. For 610/627 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2014 event pairs, 26 based on Foata normal form. 4/352 useless extension candidates. Maximal degree in co-relation 917. Up to 139 conditions per place.
[2024-02-02 09:18:01,697 INFO L140 encePairwiseOnDemand]: 53/58 looper letters, 23 selfloop transitions, 4 changer transitions 8/64 dead transitions.
[2024-02-02 09:18:01,697 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 64 transitions, 367 flow
[2024-02-02 09:18:01,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-02-02 09:18:01,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-02 09:18:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions.
[2024-02-02 09:18:01,698 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8103448275862069
[2024-02-02 09:18:01,698 INFO L175 Difference]: Start difference. First operand has 66 places, 55 transitions, 255 flow. Second operand 3 states and 141 transitions.
[2024-02-02 09:18:01,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 64 transitions, 367 flow
[2024-02-02 09:18:01,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 64 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-02 09:18:01,700 INFO L231 Difference]: Finished difference. Result has 67 places, 55 transitions, 263 flow
[2024-02-02 09:18:01,700 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=263, PETRI_PLACES=67, PETRI_TRANSITIONS=55}
[2024-02-02 09:18:01,701 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places.
[2024-02-02 09:18:01,701 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 55 transitions, 263 flow
[2024-02-02 09:18:01,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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)
[2024-02-02 09:18:01,702 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-02-02 09:18:01,702 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-02 09:18:01,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-02-02 09:18:01,702 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 19 more)] ===
[2024-02-02 09:18:01,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-02-02 09:18:01,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1094554309, now seen corresponding path program 2 times
[2024-02-02 09:18:01,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-02 09:18:01,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864449135]
[2024-02-02 09:18:01,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-02 09:18:01,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-02 09:18:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-02 09:18:01,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-02 09:18:01,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-02 09:18:01,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864449135]
[2024-02-02 09:18:01,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864449135] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-02 09:18:01,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-02 09:18:01,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-02-02 09:18:01,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529151734]
[2024-02-02 09:18:01,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-02 09:18:01,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-02-02 09:18:01,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-02 09:18:01,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-02-02 09:18:01,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-02-02 09:18:01,808 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 58
[2024-02-02 09:18:01,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 55 transitions, 263 flow. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 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)
[2024-02-02 09:18:01,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-02 09:18:01,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 58
[2024-02-02 09:18:01,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-02 09:18:01,857 INFO L124 PetriNetUnfolderBase]: 40/294 cut-off events.
[2024-02-02 09:18:01,858 INFO L125 PetriNetUnfolderBase]: For 510/526 co-relation queries the response was YES.
[2024-02-02 09:18:01,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 765 conditions, 294 events. 40/294 cut-off events. For 510/526 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1435 event pairs, 11 based on Foata normal form. 9/296 useless extension candidates. Maximal degree in co-relation 746. Up to 93 conditions per place.
[2024-02-02 09:18:01,859 INFO L140 encePairwiseOnDemand]: 51/58 looper letters, 15 selfloop transitions, 7 changer transitions 8/58 dead transitions.
[2024-02-02 09:18:01,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 58 transitions, 330 flow
[2024-02-02 09:18:01,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-02-02 09:18:01,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-02-02 09:18:01,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 175 transitions.
[2024-02-02 09:18:01,860 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7543103448275862
[2024-02-02 09:18:01,860 INFO L175 Difference]: Start difference. First operand has 67 places, 55 transitions, 263 flow. Second operand 4 states and 175 transitions.
[2024-02-02 09:18:01,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 58 transitions, 330 flow
[2024-02-02 09:18:01,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 58 transitions, 310 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-02-02 09:18:01,862 INFO L231 Difference]: Finished difference. Result has 65 places, 49 transitions, 227 flow
[2024-02-02 09:18:01,862 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=227, PETRI_PLACES=65, PETRI_TRANSITIONS=49}
[2024-02-02 09:18:01,863 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 5 predicate places.
[2024-02-02 09:18:01,863 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 49 transitions, 227 flow
[2024-02-02 09:18:01,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 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)
[2024-02-02 09:18:01,863 INFO L200 CegarLoopForPetriNet]: Found error trace
[2024-02-02 09:18:01,864 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-02 09:18:01,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-02-02 09:18:01,864 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 19 more)] ===
[2024-02-02 09:18:01,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-02-02 09:18:01,864 INFO L85 PathProgramCache]: Analyzing trace with hash 461492001, now seen corresponding path program 1 times
[2024-02-02 09:18:01,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-02 09:18:01,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942467862]
[2024-02-02 09:18:01,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-02 09:18:01,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-02 09:18:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-02 09:18:01,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-02 09:18:01,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-02 09:18:01,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942467862]
[2024-02-02 09:18:01,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942467862] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-02 09:18:01,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-02 09:18:01,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-02-02 09:18:01,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424069372]
[2024-02-02 09:18:01,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-02 09:18:01,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-02-02 09:18:01,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-02 09:18:01,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-02-02 09:18:01,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-02-02 09:18:01,974 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 58
[2024-02-02 09:18:01,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 49 transitions, 227 flow. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 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)
[2024-02-02 09:18:01,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-02 09:18:01,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 58
[2024-02-02 09:18:01,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-02 09:18:01,996 INFO L124 PetriNetUnfolderBase]: 8/99 cut-off events.
[2024-02-02 09:18:01,997 INFO L125 PetriNetUnfolderBase]: For 114/120 co-relation queries the response was YES.
[2024-02-02 09:18:01,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 99 events. 8/99 cut-off events. For 114/120 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 315 event pairs, 1 based on Foata normal form. 7/104 useless extension candidates. Maximal degree in co-relation 239. Up to 33 conditions per place.
[2024-02-02 09:18:01,997 INFO L140 encePairwiseOnDemand]: 55/58 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions.
[2024-02-02 09:18:01,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 39 transitions, 210 flow
[2024-02-02 09:18:01,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-02-02 09:18:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-02-02 09:18:01,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 165 transitions.
[2024-02-02 09:18:01,998 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7112068965517241
[2024-02-02 09:18:01,998 INFO L175 Difference]: Start difference. First operand has 65 places, 49 transitions, 227 flow. Second operand 4 states and 165 transitions.
[2024-02-02 09:18:01,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 39 transitions, 210 flow
[2024-02-02 09:18:01,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 39 transitions, 173 flow, removed 5 selfloop flow, removed 7 redundant places.
[2024-02-02 09:18:02,000 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow
[2024-02-02 09:18:02,000 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=47, PETRI_TRANSITIONS=0}
[2024-02-02 09:18:02,000 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -13 predicate places.
[2024-02-02 09:18:02,000 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow
[2024-02-02 09:18:02,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 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)
[2024-02-02 09:18:02,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 22 remaining)
[2024-02-02 09:18:02,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 22 remaining)
[2024-02-02 09:18:02,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 22 remaining)
[2024-02-02 09:18:02,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 22 remaining)
[2024-02-02 09:18:02,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 22 remaining)
[2024-02-02 09:18:02,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 22 remaining)
[2024-02-02 09:18:02,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (15 of 22 remaining)
[2024-02-02 09:18:02,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 22 remaining)
[2024-02-02 09:18:02,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 22 remaining)
[2024-02-02 09:18:02,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 22 remaining)
[2024-02-02 09:18:02,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 22 remaining)
[2024-02-02 09:18:02,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 22 remaining)
[2024-02-02 09:18:02,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 22 remaining)
[2024-02-02 09:18:02,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 22 remaining)
[2024-02-02 09:18:02,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 22 remaining)
[2024-02-02 09:18:02,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 22 remaining)
[2024-02-02 09:18:02,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 22 remaining)
[2024-02-02 09:18:02,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 22 remaining)
[2024-02-02 09:18:02,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 22 remaining)
[2024-02-02 09:18:02,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 22 remaining)
[2024-02-02 09:18:02,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 22 remaining)
[2024-02-02 09:18:02,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 22 remaining)
[2024-02-02 09:18:02,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-02-02 09:18:02,007 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-02 09:18:02,011 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-02-02 09:18:02,011 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2024-02-02 09:18:02,014 INFO L503 ceAbstractionStarter]: Automizer considered 14 witness invariants
[2024-02-02 09:18:02,014 INFO L504 ceAbstractionStarter]: WitnessConsidered=14
[2024-02-02 09:18:02,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:18:02 BasicIcfg
[2024-02-02 09:18:02,015 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-02-02 09:18:02,016 INFO L158 Benchmark]: Toolchain (without parser) took 3880.95ms. Allocated memory was 197.1MB in the beginning and 243.3MB in the end (delta: 46.1MB). Free memory was 120.8MB in the beginning and 197.1MB in the end (delta: -76.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-02-02 09:18:02,016 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-02-02 09:18:02,016 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 197.1MB. Free memory is still 168.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-02-02 09:18:02,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.02ms. Allocated memory is still 197.1MB. Free memory was 120.8MB in the beginning and 97.5MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2024-02-02 09:18:02,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.01ms. Allocated memory is still 197.1MB. Free memory was 97.5MB in the beginning and 95.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-02-02 09:18:02,017 INFO L158 Benchmark]: Boogie Preprocessor took 31.49ms. Allocated memory is still 197.1MB. Free memory was 95.5MB in the beginning and 93.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-02-02 09:18:02,017 INFO L158 Benchmark]: RCFGBuilder took 472.98ms. Allocated memory is still 197.1MB. Free memory was 93.3MB in the beginning and 152.0MB in the end (delta: -58.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB.
[2024-02-02 09:18:02,017 INFO L158 Benchmark]: TraceAbstraction took 2747.06ms. Allocated memory was 197.1MB in the beginning and 243.3MB in the end (delta: 46.1MB). Free memory was 151.0MB in the beginning and 197.1MB in the end (delta: -46.1MB). Peak memory consumption was 49.0kB. Max. memory is 16.1GB.
[2024-02-02 09:18:02,018 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Witness Parser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CDTParser took 0.12ms. Allocated memory is still 197.1MB. Free memory is still 168.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 565.02ms. Allocated memory is still 197.1MB. Free memory was 120.8MB in the beginning and 97.5MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 60.01ms. Allocated memory is still 197.1MB. Free memory was 97.5MB in the beginning and 95.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 31.49ms. Allocated memory is still 197.1MB. Free memory was 95.5MB in the beginning and 93.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 472.98ms. Allocated memory is still 197.1MB. Free memory was 93.3MB in the beginning and 152.0MB in the end (delta: -58.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 2747.06ms. Allocated memory was 197.1MB in the beginning and 243.3MB in the end (delta: 46.1MB). Free memory was 151.0MB in the beginning and 197.1MB in the end (delta: -46.1MB). Peak memory consumption was 49.0kB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 694]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 696]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 697]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 698]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 699]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 700]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 19]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- PositiveResult [Line: 701]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 702]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 685]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 686]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 687]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 688]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 689]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 690]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 81 locations, 22 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.6s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 630 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 399 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 947 IncrementalHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 122 mSolverCounterUnsat, 91 mSDtfsCounter, 947 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=263occurred in iteration=10, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
15 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-02-02 09:18:02,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE