./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/01b_inc-pthread.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/01b_inc-pthread.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8857f20b Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-ext/01b_inc-pthread.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/01b_inc-pthread.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-8857f20-m [2024-01-29 22:50:07,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 22:50:08,049 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 22:50:08,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 22:50:08,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 22:50:08,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 22:50:08,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 22:50:08,081 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 22:50:08,081 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 22:50:08,085 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 22:50:08,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 22:50:08,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 22:50:08,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 22:50:08,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 22:50:08,087 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 22:50:08,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 22:50:08,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 22:50:08,088 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 22:50:08,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 22:50:08,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 22:50:08,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 22:50:08,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 22:50:08,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 22:50:08,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 22:50:08,091 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 22:50:08,091 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 22:50:08,091 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 22:50:08,091 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 22:50:08,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 22:50:08,092 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 22:50:08,093 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 22:50:08,093 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 22:50:08,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:50:08,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 22:50:08,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 22:50:08,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 22:50:08,094 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 22:50:08,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 22:50:08,094 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 22:50:08,095 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 22:50:08,095 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 22:50:08,095 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 22:50:08,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 22:50:08,095 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 22:50:08,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 22:50:08,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 22:50:08,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 22:50:08,367 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 22:50:08,368 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 22:50:08,369 INFO L431 ainManager$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/01b_inc-pthread.yml/witness.yml [2024-01-29 22:50:08,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 22:50:08,449 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 22:50:08,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/01b_inc-pthread.i [2024-01-29 22:50:09,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 22:50:09,898 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 22:50:09,898 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01b_inc-pthread.i [2024-01-29 22:50:09,920 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c04d8aca4/bcf05a6691324331a46da44c2ae69d15/FLAG365822a1c [2024-01-29 22:50:09,935 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c04d8aca4/bcf05a6691324331a46da44c2ae69d15 [2024-01-29 22:50:09,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 22:50:09,937 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 22:50:09,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 22:50:09,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 22:50:09,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 22:50:09,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:50:08" (1/2) ... [2024-01-29 22:50:09,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19943954 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:50:09, skipping insertion in model container [2024-01-29 22:50:09,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:50:08" (1/2) ... [2024-01-29 22:50:09,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@565da454 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:50:09, skipping insertion in model container [2024-01-29 22:50:09,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:50:09" (2/2) ... [2024-01-29 22:50:09,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19943954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:09, skipping insertion in model container [2024-01-29 22:50:09,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:50:09" (2/2) ... [2024-01-29 22:50:09,947 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 22:50:09,996 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 22:50:09,998 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] ((0U == v) && (v == 0U)) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:09,998 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (0U == v) && (v == 0U) [2024-01-29 22:50:09,998 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] 0U == v [2024-01-29 22:50:09,998 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] ((0U == v) && (v == 0U)) && ((unsigned int )value == 4294967295U) [2024-01-29 22:50:09,998 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] v <= 4294967294U [2024-01-29 22:50:09,999 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] (v <= 4294967294U) && (v != 4294967295U) [2024-01-29 22:50:09,999 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] (v <= 4294967294U) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:09,999 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] (0U == v) && (v == 0U) [2024-01-29 22:50:09,999 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] 0U == v [2024-01-29 22:50:10,000 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] ((0U == v) && (v == 0U)) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,000 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (v <= 4294967294U) && (v != 4294967295U) [2024-01-29 22:50:10,000 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] v <= 4294967294U [2024-01-29 22:50:10,000 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (v <= 4294967294U) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,000 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (v <= 4294967294U) && ((unsigned int )value <= 4294967294U) [2024-01-29 22:50:10,000 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (v <= 4294967294U) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,001 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (v <= 4294967294U) && (v != 4294967295U) [2024-01-29 22:50:10,001 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (v <= 4294967294U) && (v <= 4294967294U) [2024-01-29 22:50:10,001 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((((((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL)) && (v != 4294967295U)) && ((unsigned int )value != 4294967295U)) && (1U <= (unsigned int )value)) && (v <= 4294967294U) [2024-01-29 22:50:10,001 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((((((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL)) && (v != 4294967295U)) && ((unsigned int )value != 4294967295U)) && (1U <= (unsigned int )value)) && (v <= 4294967294U)) && ((unsigned int )value != 0U) [2024-01-29 22:50:10,001 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL)) && (v != 4294967295U)) && ((unsigned int )value != 4294967295U) [2024-01-29 22:50:10,001 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,002 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (v <= 4294967294U) && ((unsigned int )value <= 4294967294U) [2024-01-29 22:50:10,002 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((((((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL)) && (v != 4294967295U)) && ((unsigned int )value != 4294967295U)) && (1U <= (unsigned int )value)) && (v <= 4294967294U)) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,002 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((((((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL)) && (v != 4294967295U)) && ((unsigned int )value != 4294967295U)) && (1U <= (unsigned int )value)) && (v <= 4294967294U)) && (v != 4294967295U) [2024-01-29 22:50:10,002 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((((((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL)) && (v != 4294967295U)) && ((unsigned int )value != 4294967295U)) && (1U <= (unsigned int )value)) && (v <= 4294967294U)) && (v <= 4294967294U) [2024-01-29 22:50:10,002 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL)) && (v != 4294967295U)) && ((unsigned int )value != 4294967295U)) && (1U <= (unsigned int )value) [2024-01-29 22:50:10,002 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((((((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL)) && (v != 4294967295U)) && ((unsigned int )value != 4294967295U)) && (1U <= (unsigned int )value)) && (v <= 4294967294U)) && ((unsigned int )value <= 4294967294U) [2024-01-29 22:50:10,002 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL)) && (v != 4294967295U) [2024-01-29 22:50:10,003 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((((((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL)) && (v != 4294967295U)) && ((unsigned int )value != 4294967295U)) && (1U <= (unsigned int )value)) && (v <= 4294967294U)) && (v != 4294967295U) [2024-01-29 22:50:10,003 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((((((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL)) && (v != 4294967295U)) && ((unsigned int )value != 4294967295U)) && (1U <= (unsigned int )value)) && (v <= 4294967294U)) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,003 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((((((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL)) && (v != 4294967295U)) && ((unsigned int )value != 4294967295U)) && (1U <= (unsigned int )value)) && (v <= 4294967294U)) && ((unsigned int )value != 4294967295U) [2024-01-29 22:50:10,003 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v <= 4294967294U [2024-01-29 22:50:10,003 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (0U == v) && (v == 0U) [2024-01-29 22:50:10,003 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] 0U == v [2024-01-29 22:50:10,003 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] ((0U == v) && (v == 0U)) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,004 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L703] (0U == v) && (v == 0U) [2024-01-29 22:50:10,004 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L703] 0U == v [2024-01-29 22:50:10,004 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L703] ((0U == v) && (v == 0U)) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,005 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] (1U <= (unsigned int )value) && (v <= 4294967294U) [2024-01-29 22:50:10,005 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] 1U <= (unsigned int )value [2024-01-29 22:50:10,006 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] ((1U <= (unsigned int )value) && (v <= 4294967294U)) && ((unsigned int )value != 0U) [2024-01-29 22:50:10,006 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] ((1U <= (unsigned int )value) && (v <= 4294967294U)) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,006 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] ((1U <= (unsigned int )value) && (v <= 4294967294U)) && (v != 4294967295U) [2024-01-29 22:50:10,006 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,006 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL)) && (v != 4294967295U) [2024-01-29 22:50:10,006 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,007 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL)) && ((unsigned int )value != 4294967295U) [2024-01-29 22:50:10,007 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned int )value != 4294967295U) [2024-01-29 22:50:10,007 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v <= 4294967294U [2024-01-29 22:50:10,007 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned int )value != 0U) [2024-01-29 22:50:10,007 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (v <= 4294967294U) && ((unsigned int )value <= 4294967294U) [2024-01-29 22:50:10,008 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && (v <= 4294967294U) [2024-01-29 22:50:10,008 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned int )value <= 4294967294U) [2024-01-29 22:50:10,008 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && (v <= 4294967294U) [2024-01-29 22:50:10,008 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && (1U <= (unsigned int )value) [2024-01-29 22:50:10,009 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && (v != 4294967295U) [2024-01-29 22:50:10,009 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && (v != 4294967295U) [2024-01-29 22:50:10,010 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,010 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && (v <= 4294967294U)) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,010 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v <= 4294967294U [2024-01-29 22:50:10,010 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned int )value != 4294967295U) [2024-01-29 22:50:10,010 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && (1U <= (unsigned int )value) [2024-01-29 22:50:10,010 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned int )value != 0U) [2024-01-29 22:50:10,010 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && (v <= 4294967294U)) && ((unsigned int )value <= 4294967294U) [2024-01-29 22:50:10,010 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && (v != 4294967295U) [2024-01-29 22:50:10,011 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && (v <= 4294967294U) [2024-01-29 22:50:10,011 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (v <= 4294967294U) && ((unsigned int )value <= 4294967294U) [2024-01-29 22:50:10,011 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,011 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && (v <= 4294967294U)) && ((unsigned long )arg == 0UL)) && ((unsigned int )value != 4294967295U) [2024-01-29 22:50:10,011 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && (v != 4294967295U) [2024-01-29 22:50:10,011 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && (v <= 4294967294U) [2024-01-29 22:50:10,011 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && (v <= 4294967294U)) && ((unsigned long )arg == 0UL)) && (v != 4294967295U) [2024-01-29 22:50:10,012 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] ((v <= 4294967294U) && ((unsigned int )value <= 4294967294U)) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,012 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] ((unsigned int )value <= 4294967294U) && ((unsigned int )value != 4294967295U) [2024-01-29 22:50:10,012 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] (unsigned int )value <= 4294967294U [2024-01-29 22:50:10,012 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] ((unsigned int )value <= 4294967294U) && (v == 0U) [2024-01-29 22:50:10,012 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] ((unsigned int )value <= 4294967294U) && (0U == v) [2024-01-29 22:50:10,013 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] ((unsigned int )value <= 4294967294U) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,013 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] (1U <= (unsigned int )value) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,013 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] 1U <= (unsigned int )value [2024-01-29 22:50:10,013 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] ((1U <= (unsigned int )value) && ((unsigned long )arg == 0UL)) && (v != 4294967295U) [2024-01-29 22:50:10,013 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] (1U <= (unsigned int )value) && (v <= 4294967294U) [2024-01-29 22:50:10,013 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] ((1U <= (unsigned int )value) && ((unsigned long )arg == 0UL)) && ((unsigned int )value != 0U) [2024-01-29 22:50:10,013 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (v <= 4294967294U) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,014 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] v <= 4294967294U [2024-01-29 22:50:10,014 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (v <= 4294967294U) && ((unsigned int )value <= 4294967294U) [2024-01-29 22:50:10,014 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] ((v <= 4294967294U) && ((unsigned long )arg == 0UL)) && (v != 4294967295U) [2024-01-29 22:50:10,014 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (v <= 4294967294U) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,014 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (v <= 4294967294U) && (v <= 4294967294U) [2024-01-29 22:50:10,014 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (v <= 4294967294U) && (v != 4294967295U) [2024-01-29 22:50:10,014 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-29 22:50:10,015 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] ((v <= 4294967294U) && ((unsigned long )arg == 0UL)) && (v != 4294967295U) [2024-01-29 22:50:10,015 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] (v <= 4294967294U) && ((unsigned long )arg == 0UL) [2024-01-29 22:50:10,015 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] v <= 4294967294U [2024-01-29 22:50:10,050 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 22:50:10,341 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01b_inc-pthread.i[30747,30760] [2024-01-29 22:50:10,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:50:10,371 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 22:50:10,474 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01b_inc-pthread.i[30747,30760] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 22:50:10,477 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 22:50:10,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:50:10,512 INFO L206 MainTranslator]: Completed translation [2024-01-29 22:50:10,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:10 WrapperNode [2024-01-29 22:50:10,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 22:50:10,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 22:50:10,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 22:50:10,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 22:50:10,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:10" (1/1) ... [2024-01-29 22:50:10,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:10" (1/1) ... [2024-01-29 22:50:10,561 INFO L138 Inliner]: procedures = 164, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-01-29 22:50:10,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 22:50:10,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 22:50:10,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 22:50:10,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 22:50:10,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:10" (1/1) ... [2024-01-29 22:50:10,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:10" (1/1) ... [2024-01-29 22:50:10,582 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:10" (1/1) ... [2024-01-29 22:50:10,603 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 5, 1]. 63 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 1 writes are split as follows [0, 0, 1]. [2024-01-29 22:50:10,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:10" (1/1) ... [2024-01-29 22:50:10,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:10" (1/1) ... [2024-01-29 22:50:10,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:10" (1/1) ... [2024-01-29 22:50:10,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:10" (1/1) ... [2024-01-29 22:50:10,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:10" (1/1) ... [2024-01-29 22:50:10,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:10" (1/1) ... [2024-01-29 22:50:10,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 22:50:10,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 22:50:10,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 22:50:10,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 22:50:10,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:10" (1/1) ... [2024-01-29 22:50:10,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:50:10,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 22:50:10,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 22:50:10,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 22:50:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-01-29 22:50:10,767 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-01-29 22:50:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 22:50:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 22:50:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 22:50:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 22:50:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 22:50:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 22:50:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 22:50:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 22:50:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 22:50:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 22:50:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 22:50:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 22:50:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 22:50:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 22:50:10,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 22:50:10,774 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 22:50:10,862 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 22:50:10,863 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 22:50:11,500 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 22:50:11,500 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 22:50:11,877 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 22:50:11,877 INFO L320 CfgBuilder]: Removed 1 assume(true) statements. [2024-01-29 22:50:11,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:50:11 BoogieIcfgContainer [2024-01-29 22:50:11,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 22:50:11,880 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 22:50:11,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 22:50:11,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 22:50:11,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:50:08" (1/4) ... [2024-01-29 22:50:11,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a92877 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:50:11, skipping insertion in model container [2024-01-29 22:50:11,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:50:09" (2/4) ... [2024-01-29 22:50:11,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a92877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:50:11, skipping insertion in model container [2024-01-29 22:50:11,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:50:10" (3/4) ... [2024-01-29 22:50:11,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a92877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:50:11, skipping insertion in model container [2024-01-29 22:50:11,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:50:11" (4/4) ... [2024-01-29 22:50:11,887 INFO L112 eAbstractionObserver]: Analyzing ICFG 01b_inc-pthread.i [2024-01-29 22:50:11,901 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 22:50:11,902 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2024-01-29 22:50:11,902 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 22:50:11,993 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-29 22:50:12,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 137 transitions, 278 flow [2024-01-29 22:50:12,072 INFO L124 PetriNetUnfolderBase]: 1/139 cut-off events. [2024-01-29 22:50:12,072 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:50:12,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 139 events. 1/139 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 276 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2024-01-29 22:50:12,077 INFO L82 GeneralOperation]: Start removeDead. Operand has 139 places, 137 transitions, 278 flow [2024-01-29 22:50:12,083 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 139 places, 137 transitions, 278 flow [2024-01-29 22:50:12,093 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 22:50:12,102 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;@1402e2e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 22:50:12,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 149 error locations. [2024-01-29 22:50:12,110 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 22:50:12,110 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-01-29 22:50:12,116 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:50:12,116 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:50:12,117 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 22:50:12,118 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 146 more)] === [2024-01-29 22:50:12,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:50:12,122 INFO L85 PathProgramCache]: Analyzing trace with hash 543331953, now seen corresponding path program 1 times [2024-01-29 22:50:12,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:50:12,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242024112] [2024-01-29 22:50:12,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:50:12,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:50:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:50:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:50:12,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:50:12,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242024112] [2024-01-29 22:50:12,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242024112] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:50:12,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:50:12,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:50:12,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193418867] [2024-01-29 22:50:12,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:50:12,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:50:12,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:50:12,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:50:12,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:50:12,571 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 137 [2024-01-29 22:50:12,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 137 transitions, 278 flow. Second operand has 4 states, 4 states have (on average 93.25) internal successors, (373), 4 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:12,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:50:12,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 137 [2024-01-29 22:50:12,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:50:12,702 INFO L124 PetriNetUnfolderBase]: 31/352 cut-off events. [2024-01-29 22:50:12,702 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:50:12,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 352 events. 31/352 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1501 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 423. Up to 73 conditions per place. [2024-01-29 22:50:12,705 INFO L140 encePairwiseOnDemand]: 109/137 looper letters, 20 selfloop transitions, 2 changer transitions 0/114 dead transitions. [2024-01-29 22:50:12,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 114 transitions, 276 flow [2024-01-29 22:50:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:50:12,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:50:12,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 418 transitions. [2024-01-29 22:50:12,716 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7627737226277372 [2024-01-29 22:50:12,718 INFO L175 Difference]: Start difference. First operand has 139 places, 137 transitions, 278 flow. Second operand 4 states and 418 transitions. [2024-01-29 22:50:12,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 114 transitions, 276 flow [2024-01-29 22:50:12,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 114 transitions, 276 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-29 22:50:12,722 INFO L231 Difference]: Finished difference. Result has 116 places, 111 transitions, 230 flow [2024-01-29 22:50:12,724 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=230, PETRI_PLACES=116, PETRI_TRANSITIONS=111} [2024-01-29 22:50:12,726 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, -23 predicate places. [2024-01-29 22:50:12,726 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 111 transitions, 230 flow [2024-01-29 22:50:12,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.25) internal successors, (373), 4 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:12,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:50:12,727 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2024-01-29 22:50:12,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 22:50:12,728 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 146 more)] === [2024-01-29 22:50:12,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:50:12,728 INFO L85 PathProgramCache]: Analyzing trace with hash -336609288, now seen corresponding path program 1 times [2024-01-29 22:50:12,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:50:12,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555881690] [2024-01-29 22:50:12,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:50:12,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:50:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 22:50:12,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 22:50:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 22:50:12,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 22:50:12,770 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 22:50:12,771 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (148 of 149 remaining) [2024-01-29 22:50:12,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (147 of 149 remaining) [2024-01-29 22:50:12,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (146 of 149 remaining) [2024-01-29 22:50:12,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (145 of 149 remaining) [2024-01-29 22:50:12,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (144 of 149 remaining) [2024-01-29 22:50:12,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (143 of 149 remaining) [2024-01-29 22:50:12,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (142 of 149 remaining) [2024-01-29 22:50:12,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (141 of 149 remaining) [2024-01-29 22:50:12,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 149 remaining) [2024-01-29 22:50:12,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (139 of 149 remaining) [2024-01-29 22:50:12,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 149 remaining) [2024-01-29 22:50:12,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (137 of 149 remaining) [2024-01-29 22:50:12,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 149 remaining) [2024-01-29 22:50:12,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 149 remaining) [2024-01-29 22:50:12,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 149 remaining) [2024-01-29 22:50:12,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 149 remaining) [2024-01-29 22:50:12,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 149 remaining) [2024-01-29 22:50:12,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 149 remaining) [2024-01-29 22:50:12,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (130 of 149 remaining) [2024-01-29 22:50:12,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 149 remaining) [2024-01-29 22:50:12,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (128 of 149 remaining) [2024-01-29 22:50:12,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 149 remaining) [2024-01-29 22:50:12,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 149 remaining) [2024-01-29 22:50:12,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 149 remaining) [2024-01-29 22:50:12,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 149 remaining) [2024-01-29 22:50:12,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 149 remaining) [2024-01-29 22:50:12,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 149 remaining) [2024-01-29 22:50:12,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 149 remaining) [2024-01-29 22:50:12,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 149 remaining) [2024-01-29 22:50:12,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 149 remaining) [2024-01-29 22:50:12,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 149 remaining) [2024-01-29 22:50:12,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 149 remaining) [2024-01-29 22:50:12,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 149 remaining) [2024-01-29 22:50:12,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 149 remaining) [2024-01-29 22:50:12,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 149 remaining) [2024-01-29 22:50:12,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 149 remaining) [2024-01-29 22:50:12,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 149 remaining) [2024-01-29 22:50:12,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 149 remaining) [2024-01-29 22:50:12,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 149 remaining) [2024-01-29 22:50:12,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 149 remaining) [2024-01-29 22:50:12,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 149 remaining) [2024-01-29 22:50:12,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 149 remaining) [2024-01-29 22:50:12,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 149 remaining) [2024-01-29 22:50:12,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 149 remaining) [2024-01-29 22:50:12,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 149 remaining) [2024-01-29 22:50:12,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 149 remaining) [2024-01-29 22:50:12,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 149 remaining) [2024-01-29 22:50:12,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 149 remaining) [2024-01-29 22:50:12,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 149 remaining) [2024-01-29 22:50:12,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 149 remaining) [2024-01-29 22:50:12,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 149 remaining) [2024-01-29 22:50:12,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 149 remaining) [2024-01-29 22:50:12,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 149 remaining) [2024-01-29 22:50:12,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 149 remaining) [2024-01-29 22:50:12,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 149 remaining) [2024-01-29 22:50:12,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 149 remaining) [2024-01-29 22:50:12,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 149 remaining) [2024-01-29 22:50:12,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 149 remaining) [2024-01-29 22:50:12,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 149 remaining) [2024-01-29 22:50:12,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 149 remaining) [2024-01-29 22:50:12,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 149 remaining) [2024-01-29 22:50:12,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 149 remaining) [2024-01-29 22:50:12,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 149 remaining) [2024-01-29 22:50:12,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err62ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 149 remaining) [2024-01-29 22:50:12,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err63ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 149 remaining) [2024-01-29 22:50:12,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err64ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 149 remaining) [2024-01-29 22:50:12,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err65ASSERT_VIOLATIONERROR_FUNCTION (82 of 149 remaining) [2024-01-29 22:50:12,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err66ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 149 remaining) [2024-01-29 22:50:12,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err67ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 149 remaining) [2024-01-29 22:50:12,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err68ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 149 remaining) [2024-01-29 22:50:12,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err69ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 149 remaining) [2024-01-29 22:50:12,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err70ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 149 remaining) [2024-01-29 22:50:12,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err71ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 149 remaining) [2024-01-29 22:50:12,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err72ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 149 remaining) [2024-01-29 22:50:12,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err73ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 149 remaining) [2024-01-29 22:50:12,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 149 remaining) [2024-01-29 22:50:12,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 149 remaining) [2024-01-29 22:50:12,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 149 remaining) [2024-01-29 22:50:12,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 149 remaining) [2024-01-29 22:50:12,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 149 remaining) [2024-01-29 22:50:12,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 149 remaining) [2024-01-29 22:50:12,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 149 remaining) [2024-01-29 22:50:12,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 149 remaining) [2024-01-29 22:50:12,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 149 remaining) [2024-01-29 22:50:12,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 149 remaining) [2024-01-29 22:50:12,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 149 remaining) [2024-01-29 22:50:12,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 149 remaining) [2024-01-29 22:50:12,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 149 remaining) [2024-01-29 22:50:12,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 149 remaining) [2024-01-29 22:50:12,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 149 remaining) [2024-01-29 22:50:12,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 149 remaining) [2024-01-29 22:50:12,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 149 remaining) [2024-01-29 22:50:12,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 149 remaining) [2024-01-29 22:50:12,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 149 remaining) [2024-01-29 22:50:12,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 149 remaining) [2024-01-29 22:50:12,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 149 remaining) [2024-01-29 22:50:12,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 149 remaining) [2024-01-29 22:50:12,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 149 remaining) [2024-01-29 22:50:12,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 149 remaining) [2024-01-29 22:50:12,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 149 remaining) [2024-01-29 22:50:12,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 149 remaining) [2024-01-29 22:50:12,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 149 remaining) [2024-01-29 22:50:12,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 149 remaining) [2024-01-29 22:50:12,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 149 remaining) [2024-01-29 22:50:12,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 149 remaining) [2024-01-29 22:50:12,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 149 remaining) [2024-01-29 22:50:12,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 149 remaining) [2024-01-29 22:50:12,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 149 remaining) [2024-01-29 22:50:12,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 149 remaining) [2024-01-29 22:50:12,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 149 remaining) [2024-01-29 22:50:12,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 149 remaining) [2024-01-29 22:50:12,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 149 remaining) [2024-01-29 22:50:12,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 149 remaining) [2024-01-29 22:50:12,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 149 remaining) [2024-01-29 22:50:12,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 149 remaining) [2024-01-29 22:50:12,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 149 remaining) [2024-01-29 22:50:12,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 149 remaining) [2024-01-29 22:50:12,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 149 remaining) [2024-01-29 22:50:12,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 149 remaining) [2024-01-29 22:50:12,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 149 remaining) [2024-01-29 22:50:12,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 149 remaining) [2024-01-29 22:50:12,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 149 remaining) [2024-01-29 22:50:12,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 149 remaining) [2024-01-29 22:50:12,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 149 remaining) [2024-01-29 22:50:12,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 149 remaining) [2024-01-29 22:50:12,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 149 remaining) [2024-01-29 22:50:12,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 149 remaining) [2024-01-29 22:50:12,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 149 remaining) [2024-01-29 22:50:12,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 149 remaining) [2024-01-29 22:50:12,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 149 remaining) [2024-01-29 22:50:12,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 149 remaining) [2024-01-29 22:50:12,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 149 remaining) [2024-01-29 22:50:12,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 149 remaining) [2024-01-29 22:50:12,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 149 remaining) [2024-01-29 22:50:12,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 149 remaining) [2024-01-29 22:50:12,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 149 remaining) [2024-01-29 22:50:12,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 149 remaining) [2024-01-29 22:50:12,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err62ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 149 remaining) [2024-01-29 22:50:12,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err63ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 149 remaining) [2024-01-29 22:50:12,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err64ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 149 remaining) [2024-01-29 22:50:12,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err65ASSERT_VIOLATIONERROR_FUNCTION (8 of 149 remaining) [2024-01-29 22:50:12,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err66ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 149 remaining) [2024-01-29 22:50:12,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err67ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 149 remaining) [2024-01-29 22:50:12,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err68ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 149 remaining) [2024-01-29 22:50:12,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err69ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 149 remaining) [2024-01-29 22:50:12,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err70ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 149 remaining) [2024-01-29 22:50:12,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err71ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 149 remaining) [2024-01-29 22:50:12,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err72ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 149 remaining) [2024-01-29 22:50:12,796 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err73ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 149 remaining) [2024-01-29 22:50:12,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 22:50:12,797 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-29 22:50:12,799 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-01-29 22:50:12,799 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-01-29 22:50:12,871 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-29 22:50:12,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 272 places, 269 transitions, 548 flow [2024-01-29 22:50:12,907 INFO L124 PetriNetUnfolderBase]: 2/274 cut-off events. [2024-01-29 22:50:12,907 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 22:50:12,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 274 events. 2/274 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1025 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 265. Up to 3 conditions per place. [2024-01-29 22:50:12,911 INFO L82 GeneralOperation]: Start removeDead. Operand has 272 places, 269 transitions, 548 flow [2024-01-29 22:50:12,917 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 272 places, 269 transitions, 548 flow [2024-01-29 22:50:12,918 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 22:50:12,918 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;@1402e2e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 22:50:12,918 INFO L358 AbstractCegarLoop]: Starting to check reachability of 223 error locations. [2024-01-29 22:50:12,920 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 22:50:12,920 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-01-29 22:50:12,920 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 22:50:12,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:50:12,920 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 22:50:12,920 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 220 more)] === [2024-01-29 22:50:12,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:50:12,921 INFO L85 PathProgramCache]: Analyzing trace with hash 800170081, now seen corresponding path program 1 times [2024-01-29 22:50:12,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:50:12,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084255978] [2024-01-29 22:50:12,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:50:12,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:50:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:50:12,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:50:12,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:50:12,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084255978] [2024-01-29 22:50:12,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084255978] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:50:12,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:50:12,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:50:12,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278944228] [2024-01-29 22:50:12,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:50:12,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:50:12,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:50:12,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:50:12,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:50:13,025 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 269 [2024-01-29 22:50:13,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 269 transitions, 548 flow. Second operand has 4 states, 4 states have (on average 186.25) internal successors, (745), 4 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:13,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:50:13,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 269 [2024-01-29 22:50:13,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:50:13,737 INFO L124 PetriNetUnfolderBase]: 1171/6369 cut-off events. [2024-01-29 22:50:13,738 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2024-01-29 22:50:13,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8313 conditions, 6369 events. 1171/6369 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 67717 event pairs, 28 based on Foata normal form. 0/3740 useless extension candidates. Maximal degree in co-relation 7788. Up to 1812 conditions per place. [2024-01-29 22:50:13,783 INFO L140 encePairwiseOnDemand]: 218/269 looper letters, 52 selfloop transitions, 2 changer transitions 0/239 dead transitions. [2024-01-29 22:50:13,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 239 transitions, 601 flow [2024-01-29 22:50:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:50:13,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:50:13,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 868 transitions. [2024-01-29 22:50:13,787 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8066914498141264 [2024-01-29 22:50:13,788 INFO L175 Difference]: Start difference. First operand has 272 places, 269 transitions, 548 flow. Second operand 4 states and 868 transitions. [2024-01-29 22:50:13,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 239 transitions, 601 flow [2024-01-29 22:50:13,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 239 transitions, 601 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-29 22:50:13,794 INFO L231 Difference]: Finished difference. Result has 226 places, 220 transitions, 454 flow [2024-01-29 22:50:13,795 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=454, PETRI_PLACES=226, PETRI_TRANSITIONS=220} [2024-01-29 22:50:13,795 INFO L281 CegarLoopForPetriNet]: 272 programPoint places, -46 predicate places. [2024-01-29 22:50:13,795 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 220 transitions, 454 flow [2024-01-29 22:50:13,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 186.25) internal successors, (745), 4 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:13,796 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:50:13,796 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 22:50:13,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 22:50:13,797 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 220 more)] === [2024-01-29 22:50:13,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:50:13,797 INFO L85 PathProgramCache]: Analyzing trace with hash -964530175, now seen corresponding path program 1 times [2024-01-29 22:50:13,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:50:13,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630043637] [2024-01-29 22:50:13,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:50:13,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:50:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:50:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:50:13,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:50:13,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630043637] [2024-01-29 22:50:13,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630043637] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:50:13,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:50:13,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:50:13,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009394971] [2024-01-29 22:50:13,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:50:13,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:50:13,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:50:13,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:50:13,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:50:14,039 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 269 [2024-01-29 22:50:14,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 220 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:14,039 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:50:14,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 269 [2024-01-29 22:50:14,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:50:14,564 INFO L124 PetriNetUnfolderBase]: 1747/6231 cut-off events. [2024-01-29 22:50:14,564 INFO L125 PetriNetUnfolderBase]: For 385/385 co-relation queries the response was YES. [2024-01-29 22:50:14,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9209 conditions, 6231 events. 1747/6231 cut-off events. For 385/385 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 62411 event pairs, 1378 based on Foata normal form. 528/4562 useless extension candidates. Maximal degree in co-relation 8466. Up to 2350 conditions per place. [2024-01-29 22:50:14,594 INFO L140 encePairwiseOnDemand]: 255/269 looper letters, 58 selfloop transitions, 2 changer transitions 0/226 dead transitions. [2024-01-29 22:50:14,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 226 transitions, 591 flow [2024-01-29 22:50:14,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:50:14,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:50:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 570 transitions. [2024-01-29 22:50:14,596 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7063197026022305 [2024-01-29 22:50:14,596 INFO L175 Difference]: Start difference. First operand has 226 places, 220 transitions, 454 flow. Second operand 3 states and 570 transitions. [2024-01-29 22:50:14,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 226 transitions, 591 flow [2024-01-29 22:50:14,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 226 transitions, 588 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:50:14,600 INFO L231 Difference]: Finished difference. Result has 214 places, 208 transitions, 431 flow [2024-01-29 22:50:14,600 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=431, PETRI_PLACES=214, PETRI_TRANSITIONS=208} [2024-01-29 22:50:14,601 INFO L281 CegarLoopForPetriNet]: 272 programPoint places, -58 predicate places. [2024-01-29 22:50:14,601 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 208 transitions, 431 flow [2024-01-29 22:50:14,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:14,602 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:50:14,602 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-01-29 22:50:14,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 22:50:14,602 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 220 more)] === [2024-01-29 22:50:14,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:50:14,603 INFO L85 PathProgramCache]: Analyzing trace with hash 644470555, now seen corresponding path program 1 times [2024-01-29 22:50:14,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:50:14,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048080829] [2024-01-29 22:50:14,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:50:14,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:50:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:50:14,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-29 22:50:14,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:50:14,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048080829] [2024-01-29 22:50:14,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048080829] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:50:14,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:50:14,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:50:14,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667556289] [2024-01-29 22:50:14,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:50:14,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:50:14,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:50:14,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:50:14,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:50:14,715 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 269 [2024-01-29 22:50:14,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 208 transitions, 431 flow. Second operand has 4 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:14,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:50:14,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 269 [2024-01-29 22:50:14,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:50:15,300 INFO L124 PetriNetUnfolderBase]: 1123/6207 cut-off events. [2024-01-29 22:50:15,301 INFO L125 PetriNetUnfolderBase]: For 126/126 co-relation queries the response was YES. [2024-01-29 22:50:15,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8201 conditions, 6207 events. 1123/6207 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 66573 event pairs, 496 based on Foata normal form. 0/3681 useless extension candidates. Maximal degree in co-relation 8186. Up to 1683 conditions per place. [2024-01-29 22:50:15,336 INFO L140 encePairwiseOnDemand]: 265/269 looper letters, 64 selfloop transitions, 2 changer transitions 0/238 dead transitions. [2024-01-29 22:50:15,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 238 transitions, 631 flow [2024-01-29 22:50:15,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:50:15,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:50:15,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 808 transitions. [2024-01-29 22:50:15,338 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7509293680297398 [2024-01-29 22:50:15,338 INFO L175 Difference]: Start difference. First operand has 214 places, 208 transitions, 431 flow. Second operand 4 states and 808 transitions. [2024-01-29 22:50:15,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 238 transitions, 631 flow [2024-01-29 22:50:15,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 238 transitions, 619 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:50:15,342 INFO L231 Difference]: Finished difference. Result has 213 places, 206 transitions, 427 flow [2024-01-29 22:50:15,342 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=427, PETRI_PLACES=213, PETRI_TRANSITIONS=206} [2024-01-29 22:50:15,344 INFO L281 CegarLoopForPetriNet]: 272 programPoint places, -59 predicate places. [2024-01-29 22:50:15,344 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 206 transitions, 427 flow [2024-01-29 22:50:15,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:15,345 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:50:15,345 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1] [2024-01-29 22:50:15,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 22:50:15,345 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 220 more)] === [2024-01-29 22:50:15,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:50:15,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1496279522, now seen corresponding path program 1 times [2024-01-29 22:50:15,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:50:15,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551914724] [2024-01-29 22:50:15,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:50:15,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:50:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 22:50:15,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 22:50:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 22:50:15,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 22:50:15,374 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 22:50:15,374 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (222 of 223 remaining) [2024-01-29 22:50:15,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (221 of 223 remaining) [2024-01-29 22:50:15,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (220 of 223 remaining) [2024-01-29 22:50:15,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (219 of 223 remaining) [2024-01-29 22:50:15,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (218 of 223 remaining) [2024-01-29 22:50:15,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (217 of 223 remaining) [2024-01-29 22:50:15,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (216 of 223 remaining) [2024-01-29 22:50:15,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (215 of 223 remaining) [2024-01-29 22:50:15,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (214 of 223 remaining) [2024-01-29 22:50:15,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (213 of 223 remaining) [2024-01-29 22:50:15,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (212 of 223 remaining) [2024-01-29 22:50:15,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (211 of 223 remaining) [2024-01-29 22:50:15,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (210 of 223 remaining) [2024-01-29 22:50:15,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (209 of 223 remaining) [2024-01-29 22:50:15,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (208 of 223 remaining) [2024-01-29 22:50:15,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (207 of 223 remaining) [2024-01-29 22:50:15,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (206 of 223 remaining) [2024-01-29 22:50:15,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (205 of 223 remaining) [2024-01-29 22:50:15,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (204 of 223 remaining) [2024-01-29 22:50:15,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (203 of 223 remaining) [2024-01-29 22:50:15,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (202 of 223 remaining) [2024-01-29 22:50:15,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (201 of 223 remaining) [2024-01-29 22:50:15,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (200 of 223 remaining) [2024-01-29 22:50:15,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (199 of 223 remaining) [2024-01-29 22:50:15,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (198 of 223 remaining) [2024-01-29 22:50:15,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (197 of 223 remaining) [2024-01-29 22:50:15,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (196 of 223 remaining) [2024-01-29 22:50:15,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (195 of 223 remaining) [2024-01-29 22:50:15,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (194 of 223 remaining) [2024-01-29 22:50:15,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (193 of 223 remaining) [2024-01-29 22:50:15,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (192 of 223 remaining) [2024-01-29 22:50:15,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (191 of 223 remaining) [2024-01-29 22:50:15,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (190 of 223 remaining) [2024-01-29 22:50:15,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (189 of 223 remaining) [2024-01-29 22:50:15,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (188 of 223 remaining) [2024-01-29 22:50:15,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (187 of 223 remaining) [2024-01-29 22:50:15,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (186 of 223 remaining) [2024-01-29 22:50:15,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (185 of 223 remaining) [2024-01-29 22:50:15,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (184 of 223 remaining) [2024-01-29 22:50:15,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (183 of 223 remaining) [2024-01-29 22:50:15,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (182 of 223 remaining) [2024-01-29 22:50:15,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (181 of 223 remaining) [2024-01-29 22:50:15,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (180 of 223 remaining) [2024-01-29 22:50:15,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (179 of 223 remaining) [2024-01-29 22:50:15,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (178 of 223 remaining) [2024-01-29 22:50:15,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (177 of 223 remaining) [2024-01-29 22:50:15,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (176 of 223 remaining) [2024-01-29 22:50:15,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (175 of 223 remaining) [2024-01-29 22:50:15,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (174 of 223 remaining) [2024-01-29 22:50:15,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (173 of 223 remaining) [2024-01-29 22:50:15,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (172 of 223 remaining) [2024-01-29 22:50:15,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (171 of 223 remaining) [2024-01-29 22:50:15,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONWITNESS_INVARIANT (170 of 223 remaining) [2024-01-29 22:50:15,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (169 of 223 remaining) [2024-01-29 22:50:15,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (168 of 223 remaining) [2024-01-29 22:50:15,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONWITNESS_INVARIANT (167 of 223 remaining) [2024-01-29 22:50:15,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (166 of 223 remaining) [2024-01-29 22:50:15,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (165 of 223 remaining) [2024-01-29 22:50:15,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (164 of 223 remaining) [2024-01-29 22:50:15,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (163 of 223 remaining) [2024-01-29 22:50:15,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (162 of 223 remaining) [2024-01-29 22:50:15,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (161 of 223 remaining) [2024-01-29 22:50:15,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONWITNESS_INVARIANT (160 of 223 remaining) [2024-01-29 22:50:15,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err62ASSERT_VIOLATIONWITNESS_INVARIANT (159 of 223 remaining) [2024-01-29 22:50:15,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err63ASSERT_VIOLATIONWITNESS_INVARIANT (158 of 223 remaining) [2024-01-29 22:50:15,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err64ASSERT_VIOLATIONWITNESS_INVARIANT (157 of 223 remaining) [2024-01-29 22:50:15,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err65ASSERT_VIOLATIONERROR_FUNCTION (156 of 223 remaining) [2024-01-29 22:50:15,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err66ASSERT_VIOLATIONWITNESS_INVARIANT (155 of 223 remaining) [2024-01-29 22:50:15,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err67ASSERT_VIOLATIONWITNESS_INVARIANT (154 of 223 remaining) [2024-01-29 22:50:15,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err68ASSERT_VIOLATIONWITNESS_INVARIANT (153 of 223 remaining) [2024-01-29 22:50:15,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err69ASSERT_VIOLATIONWITNESS_INVARIANT (152 of 223 remaining) [2024-01-29 22:50:15,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err70ASSERT_VIOLATIONWITNESS_INVARIANT (151 of 223 remaining) [2024-01-29 22:50:15,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err71ASSERT_VIOLATIONWITNESS_INVARIANT (150 of 223 remaining) [2024-01-29 22:50:15,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err72ASSERT_VIOLATIONWITNESS_INVARIANT (149 of 223 remaining) [2024-01-29 22:50:15,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err73ASSERT_VIOLATIONWITNESS_INVARIANT (148 of 223 remaining) [2024-01-29 22:50:15,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (147 of 223 remaining) [2024-01-29 22:50:15,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (146 of 223 remaining) [2024-01-29 22:50:15,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (145 of 223 remaining) [2024-01-29 22:50:15,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (144 of 223 remaining) [2024-01-29 22:50:15,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (143 of 223 remaining) [2024-01-29 22:50:15,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (142 of 223 remaining) [2024-01-29 22:50:15,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (141 of 223 remaining) [2024-01-29 22:50:15,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 223 remaining) [2024-01-29 22:50:15,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (139 of 223 remaining) [2024-01-29 22:50:15,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 223 remaining) [2024-01-29 22:50:15,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (137 of 223 remaining) [2024-01-29 22:50:15,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 223 remaining) [2024-01-29 22:50:15,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 223 remaining) [2024-01-29 22:50:15,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 223 remaining) [2024-01-29 22:50:15,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 223 remaining) [2024-01-29 22:50:15,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 223 remaining) [2024-01-29 22:50:15,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 223 remaining) [2024-01-29 22:50:15,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (130 of 223 remaining) [2024-01-29 22:50:15,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 223 remaining) [2024-01-29 22:50:15,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (128 of 223 remaining) [2024-01-29 22:50:15,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 223 remaining) [2024-01-29 22:50:15,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 223 remaining) [2024-01-29 22:50:15,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 223 remaining) [2024-01-29 22:50:15,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 223 remaining) [2024-01-29 22:50:15,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 223 remaining) [2024-01-29 22:50:15,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 223 remaining) [2024-01-29 22:50:15,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 223 remaining) [2024-01-29 22:50:15,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 223 remaining) [2024-01-29 22:50:15,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 223 remaining) [2024-01-29 22:50:15,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 223 remaining) [2024-01-29 22:50:15,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 223 remaining) [2024-01-29 22:50:15,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 223 remaining) [2024-01-29 22:50:15,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 223 remaining) [2024-01-29 22:50:15,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 223 remaining) [2024-01-29 22:50:15,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 223 remaining) [2024-01-29 22:50:15,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 223 remaining) [2024-01-29 22:50:15,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 223 remaining) [2024-01-29 22:50:15,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 223 remaining) [2024-01-29 22:50:15,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 223 remaining) [2024-01-29 22:50:15,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 223 remaining) [2024-01-29 22:50:15,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 223 remaining) [2024-01-29 22:50:15,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 223 remaining) [2024-01-29 22:50:15,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 223 remaining) [2024-01-29 22:50:15,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 223 remaining) [2024-01-29 22:50:15,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 223 remaining) [2024-01-29 22:50:15,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 223 remaining) [2024-01-29 22:50:15,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 223 remaining) [2024-01-29 22:50:15,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 223 remaining) [2024-01-29 22:50:15,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 223 remaining) [2024-01-29 22:50:15,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 223 remaining) [2024-01-29 22:50:15,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 223 remaining) [2024-01-29 22:50:15,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 223 remaining) [2024-01-29 22:50:15,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 223 remaining) [2024-01-29 22:50:15,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 223 remaining) [2024-01-29 22:50:15,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 223 remaining) [2024-01-29 22:50:15,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 223 remaining) [2024-01-29 22:50:15,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 223 remaining) [2024-01-29 22:50:15,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 223 remaining) [2024-01-29 22:50:15,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 223 remaining) [2024-01-29 22:50:15,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 223 remaining) [2024-01-29 22:50:15,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 223 remaining) [2024-01-29 22:50:15,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 223 remaining) [2024-01-29 22:50:15,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err62ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 223 remaining) [2024-01-29 22:50:15,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err63ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 223 remaining) [2024-01-29 22:50:15,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err64ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 223 remaining) [2024-01-29 22:50:15,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err65ASSERT_VIOLATIONERROR_FUNCTION (82 of 223 remaining) [2024-01-29 22:50:15,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err66ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 223 remaining) [2024-01-29 22:50:15,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err67ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 223 remaining) [2024-01-29 22:50:15,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err68ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 223 remaining) [2024-01-29 22:50:15,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err69ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 223 remaining) [2024-01-29 22:50:15,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err70ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 223 remaining) [2024-01-29 22:50:15,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err71ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 223 remaining) [2024-01-29 22:50:15,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err72ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 223 remaining) [2024-01-29 22:50:15,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err73ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 223 remaining) [2024-01-29 22:50:15,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 223 remaining) [2024-01-29 22:50:15,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 223 remaining) [2024-01-29 22:50:15,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 223 remaining) [2024-01-29 22:50:15,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 223 remaining) [2024-01-29 22:50:15,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 223 remaining) [2024-01-29 22:50:15,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 223 remaining) [2024-01-29 22:50:15,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 223 remaining) [2024-01-29 22:50:15,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 223 remaining) [2024-01-29 22:50:15,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 223 remaining) [2024-01-29 22:50:15,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 223 remaining) [2024-01-29 22:50:15,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 223 remaining) [2024-01-29 22:50:15,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 223 remaining) [2024-01-29 22:50:15,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 223 remaining) [2024-01-29 22:50:15,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 223 remaining) [2024-01-29 22:50:15,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 223 remaining) [2024-01-29 22:50:15,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 223 remaining) [2024-01-29 22:50:15,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 223 remaining) [2024-01-29 22:50:15,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 223 remaining) [2024-01-29 22:50:15,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 223 remaining) [2024-01-29 22:50:15,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 223 remaining) [2024-01-29 22:50:15,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 223 remaining) [2024-01-29 22:50:15,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 223 remaining) [2024-01-29 22:50:15,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 223 remaining) [2024-01-29 22:50:15,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 223 remaining) [2024-01-29 22:50:15,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 223 remaining) [2024-01-29 22:50:15,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 223 remaining) [2024-01-29 22:50:15,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 223 remaining) [2024-01-29 22:50:15,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 223 remaining) [2024-01-29 22:50:15,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 223 remaining) [2024-01-29 22:50:15,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 223 remaining) [2024-01-29 22:50:15,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 223 remaining) [2024-01-29 22:50:15,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 223 remaining) [2024-01-29 22:50:15,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 223 remaining) [2024-01-29 22:50:15,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 223 remaining) [2024-01-29 22:50:15,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 223 remaining) [2024-01-29 22:50:15,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 223 remaining) [2024-01-29 22:50:15,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 223 remaining) [2024-01-29 22:50:15,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 223 remaining) [2024-01-29 22:50:15,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 223 remaining) [2024-01-29 22:50:15,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 223 remaining) [2024-01-29 22:50:15,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 223 remaining) [2024-01-29 22:50:15,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 223 remaining) [2024-01-29 22:50:15,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 223 remaining) [2024-01-29 22:50:15,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 223 remaining) [2024-01-29 22:50:15,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 223 remaining) [2024-01-29 22:50:15,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 223 remaining) [2024-01-29 22:50:15,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 223 remaining) [2024-01-29 22:50:15,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 223 remaining) [2024-01-29 22:50:15,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 223 remaining) [2024-01-29 22:50:15,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 223 remaining) [2024-01-29 22:50:15,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 223 remaining) [2024-01-29 22:50:15,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 223 remaining) [2024-01-29 22:50:15,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 223 remaining) [2024-01-29 22:50:15,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 223 remaining) [2024-01-29 22:50:15,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 223 remaining) [2024-01-29 22:50:15,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 223 remaining) [2024-01-29 22:50:15,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 223 remaining) [2024-01-29 22:50:15,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 223 remaining) [2024-01-29 22:50:15,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err58ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 223 remaining) [2024-01-29 22:50:15,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err59ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 223 remaining) [2024-01-29 22:50:15,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err60ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 223 remaining) [2024-01-29 22:50:15,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err61ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 223 remaining) [2024-01-29 22:50:15,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err62ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 223 remaining) [2024-01-29 22:50:15,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err63ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 223 remaining) [2024-01-29 22:50:15,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err64ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 223 remaining) [2024-01-29 22:50:15,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err65ASSERT_VIOLATIONERROR_FUNCTION (8 of 223 remaining) [2024-01-29 22:50:15,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err66ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 223 remaining) [2024-01-29 22:50:15,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err67ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 223 remaining) [2024-01-29 22:50:15,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err68ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 223 remaining) [2024-01-29 22:50:15,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err69ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 223 remaining) [2024-01-29 22:50:15,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err70ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 223 remaining) [2024-01-29 22:50:15,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err71ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 223 remaining) [2024-01-29 22:50:15,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err72ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 223 remaining) [2024-01-29 22:50:15,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err73ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 223 remaining) [2024-01-29 22:50:15,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 22:50:15,413 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-01-29 22:50:15,413 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-01-29 22:50:15,414 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-01-29 22:50:15,539 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-29 22:50:15,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 405 places, 401 transitions, 820 flow [2024-01-29 22:50:15,654 INFO L124 PetriNetUnfolderBase]: 3/409 cut-off events. [2024-01-29 22:50:15,654 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-01-29 22:50:15,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 409 events. 3/409 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2004 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 396. Up to 4 conditions per place. [2024-01-29 22:50:15,660 INFO L82 GeneralOperation]: Start removeDead. Operand has 405 places, 401 transitions, 820 flow [2024-01-29 22:50:15,670 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 405 places, 401 transitions, 820 flow [2024-01-29 22:50:15,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 22:50:15,673 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;@1402e2e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 22:50:15,673 INFO L358 AbstractCegarLoop]: Starting to check reachability of 297 error locations. [2024-01-29 22:50:15,674 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 22:50:15,675 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-01-29 22:50:15,675 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 22:50:15,675 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:50:15,675 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 22:50:15,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 294 more)] === [2024-01-29 22:50:15,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:50:15,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1182972277, now seen corresponding path program 1 times [2024-01-29 22:50:15,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:50:15,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871012216] [2024-01-29 22:50:15,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:50:15,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:50:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:50:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:50:15,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:50:15,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871012216] [2024-01-29 22:50:15,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871012216] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:50:15,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:50:15,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:50:15,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360808342] [2024-01-29 22:50:15,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:50:15,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:50:15,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:50:15,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:50:15,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:50:15,798 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 401 [2024-01-29 22:50:15,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 401 transitions, 820 flow. Second operand has 4 states, 4 states have (on average 279.25) internal successors, (1117), 4 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:15,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:50:15,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 401 [2024-01-29 22:50:15,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:50:25,748 INFO L124 PetriNetUnfolderBase]: 28396/106749 cut-off events. [2024-01-29 22:50:25,748 INFO L125 PetriNetUnfolderBase]: For 2023/2023 co-relation queries the response was YES. [2024-01-29 22:50:26,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146944 conditions, 106749 events. 28396/106749 cut-off events. For 2023/2023 co-relation queries the response was YES. Maximal size of possible extension queue 2565. Compared 1650904 event pairs, 18592 based on Foata normal form. 0/62826 useless extension candidates. Maximal degree in co-relation 131150. Up to 37347 conditions per place. [2024-01-29 22:50:26,911 INFO L140 encePairwiseOnDemand]: 327/401 looper letters, 84 selfloop transitions, 2 changer transitions 0/364 dead transitions. [2024-01-29 22:50:26,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 364 transitions, 930 flow [2024-01-29 22:50:26,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:50:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:50:26,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1318 transitions. [2024-01-29 22:50:26,915 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8216957605985037 [2024-01-29 22:50:26,915 INFO L175 Difference]: Start difference. First operand has 405 places, 401 transitions, 820 flow. Second operand 4 states and 1318 transitions. [2024-01-29 22:50:26,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 364 transitions, 930 flow [2024-01-29 22:50:26,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 364 transitions, 926 flow, removed 2 selfloop flow, removed 0 redundant places. [2024-01-29 22:50:26,922 INFO L231 Difference]: Finished difference. Result has 336 places, 329 transitions, 678 flow [2024-01-29 22:50:26,922 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=401, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=678, PETRI_PLACES=336, PETRI_TRANSITIONS=329} [2024-01-29 22:50:26,924 INFO L281 CegarLoopForPetriNet]: 405 programPoint places, -69 predicate places. [2024-01-29 22:50:26,924 INFO L495 AbstractCegarLoop]: Abstraction has has 336 places, 329 transitions, 678 flow [2024-01-29 22:50:26,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 279.25) internal successors, (1117), 4 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:26,926 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:50:26,926 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 22:50:26,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 22:50:26,926 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 294 more)] === [2024-01-29 22:50:26,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:50:26,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1982563586, now seen corresponding path program 1 times [2024-01-29 22:50:26,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:50:26,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258644306] [2024-01-29 22:50:26,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:50:26,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:50:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:50:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:50:26,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:50:26,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258644306] [2024-01-29 22:50:26,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258644306] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:50:26,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:50:26,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:50:26,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581999300] [2024-01-29 22:50:26,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:50:26,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:50:26,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:50:26,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:50:26,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:50:27,093 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 401 [2024-01-29 22:50:27,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 329 transitions, 678 flow. Second operand has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:27,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:50:27,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 401 [2024-01-29 22:50:27,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:50:37,828 INFO L124 PetriNetUnfolderBase]: 42817/109941 cut-off events. [2024-01-29 22:50:37,838 INFO L125 PetriNetUnfolderBase]: For 13433/13433 co-relation queries the response was YES. [2024-01-29 22:50:38,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 171225 conditions, 109941 events. 42817/109941 cut-off events. For 13433/13433 co-relation queries the response was YES. Maximal size of possible extension queue 3093. Compared 1523861 event pairs, 33478 based on Foata normal form. 7953/77856 useless extension candidates. Maximal degree in co-relation 163494. Up to 48985 conditions per place. [2024-01-29 22:50:38,996 INFO L140 encePairwiseOnDemand]: 387/401 looper letters, 90 selfloop transitions, 2 changer transitions 0/351 dead transitions. [2024-01-29 22:50:38,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 351 transitions, 916 flow [2024-01-29 22:50:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:50:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:50:38,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 881 transitions. [2024-01-29 22:50:38,999 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7323358270989194 [2024-01-29 22:50:38,999 INFO L175 Difference]: Start difference. First operand has 336 places, 329 transitions, 678 flow. Second operand 3 states and 881 transitions. [2024-01-29 22:50:38,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 351 transitions, 916 flow [2024-01-29 22:50:39,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 351 transitions, 913 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:50:39,030 INFO L231 Difference]: Finished difference. Result has 324 places, 317 transitions, 655 flow [2024-01-29 22:50:39,030 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=401, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=324, PETRI_TRANSITIONS=317} [2024-01-29 22:50:39,031 INFO L281 CegarLoopForPetriNet]: 405 programPoint places, -81 predicate places. [2024-01-29 22:50:39,031 INFO L495 AbstractCegarLoop]: Abstraction has has 324 places, 317 transitions, 655 flow [2024-01-29 22:50:39,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:39,031 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:50:39,032 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-01-29 22:50:39,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-29 22:50:39,032 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 294 more)] === [2024-01-29 22:50:39,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:50:39,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1567053179, now seen corresponding path program 1 times [2024-01-29 22:50:39,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:50:39,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123619664] [2024-01-29 22:50:39,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:50:39,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:50:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:50:39,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-29 22:50:39,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:50:39,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123619664] [2024-01-29 22:50:39,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123619664] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:50:39,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:50:39,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:50:39,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044518226] [2024-01-29 22:50:39,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:50:39,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:50:39,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:50:39,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:50:39,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:50:39,159 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 401 [2024-01-29 22:50:39,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 317 transitions, 655 flow. Second operand has 4 states, 4 states have (on average 279.75) internal successors, (1119), 4 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:39,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:50:39,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 401 [2024-01-29 22:50:39,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:50:48,694 INFO L124 PetriNetUnfolderBase]: 27673/105741 cut-off events. [2024-01-29 22:50:48,694 INFO L125 PetriNetUnfolderBase]: For 2781/2781 co-relation queries the response was YES. [2024-01-29 22:50:49,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146436 conditions, 105741 events. 27673/105741 cut-off events. For 2781/2781 co-relation queries the response was YES. Maximal size of possible extension queue 2542. Compared 1649719 event pairs, 448 based on Foata normal form. 0/62559 useless extension candidates. Maximal degree in co-relation 146420. Up to 36588 conditions per place. [2024-01-29 22:50:49,594 INFO L140 encePairwiseOnDemand]: 397/401 looper letters, 96 selfloop transitions, 2 changer transitions 0/363 dead transitions. [2024-01-29 22:50:49,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 363 transitions, 956 flow [2024-01-29 22:50:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:50:49,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:50:49,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1212 transitions. [2024-01-29 22:50:49,607 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7556109725685786 [2024-01-29 22:50:49,607 INFO L175 Difference]: Start difference. First operand has 324 places, 317 transitions, 655 flow. Second operand 4 states and 1212 transitions. [2024-01-29 22:50:49,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 363 transitions, 956 flow [2024-01-29 22:50:49,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 363 transitions, 944 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:50:49,618 INFO L231 Difference]: Finished difference. Result has 323 places, 315 transitions, 651 flow [2024-01-29 22:50:49,619 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=401, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=651, PETRI_PLACES=323, PETRI_TRANSITIONS=315} [2024-01-29 22:50:49,620 INFO L281 CegarLoopForPetriNet]: 405 programPoint places, -82 predicate places. [2024-01-29 22:50:49,620 INFO L495 AbstractCegarLoop]: Abstraction has has 323 places, 315 transitions, 651 flow [2024-01-29 22:50:49,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 279.75) internal successors, (1119), 4 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:49,621 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:50:49,621 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:50:49,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-29 22:50:49,621 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 294 more)] === [2024-01-29 22:50:49,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:50:49,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1334009915, now seen corresponding path program 1 times [2024-01-29 22:50:49,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:50:49,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053902298] [2024-01-29 22:50:49,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:50:49,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:50:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:50:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-29 22:50:49,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:50:49,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053902298] [2024-01-29 22:50:49,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053902298] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:50:49,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:50:49,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:50:49,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909564084] [2024-01-29 22:50:49,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:50:49,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:50:49,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:50:49,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:50:49,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:50:49,868 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 401 [2024-01-29 22:50:49,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 315 transitions, 651 flow. Second operand has 3 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:50:49,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:50:49,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 401 [2024-01-29 22:50:49,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand