./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-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/43_NetBSD_sysmon_power_sliced-pthread.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3d25acf6 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/43_NetBSD_sysmon_power_sliced-pthread.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/43_NetBSD_sysmon_power_sliced-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-3d25acf-m [2024-01-30 14:16:38,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:16:38,345 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:16:38,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:16:38,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:16:38,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:16:38,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:16:38,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:16:38,377 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:16:38,380 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:16:38,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:16:38,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:16:38,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:16:38,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:16:38,382 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:16:38,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:16:38,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:16:38,383 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:16:38,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:16:38,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:16:38,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:16:38,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:16:38,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:16:38,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:16:38,385 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:16:38,385 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:16:38,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:16:38,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:16:38,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:16:38,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:16:38,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:16:38,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:16:38,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:16:38,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:16:38,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:16:38,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:16:38,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:16:38,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:16:38,389 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:16:38,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:16:38,389 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:16:38,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:16:38,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:16:38,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:16:38,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:16:38,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:16:38,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:16:38,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:16:38,645 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:16:38,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-01-30 14:16:39,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:16:39,957 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:16:39,957 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-01-30 14:16:39,972 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b772826ba/511ce8e8486f4849a3bf13ccef8accf8/FLAGa6547177c [2024-01-30 14:16:39,985 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b772826ba/511ce8e8486f4849a3bf13ccef8accf8 [2024-01-30 14:16:39,987 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:16:39,988 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:16:39,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/43_NetBSD_sysmon_power_sliced-pthread.yml/witness.yml [2024-01-30 14:16:40,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:16:40,116 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:16:40,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:16:40,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:16:40,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:16:40,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:16:39" (1/2) ... [2024-01-30 14:16:40,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c049da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:16:40, skipping insertion in model container [2024-01-30 14:16:40,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:16:39" (1/2) ... [2024-01-30 14:16:40,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b4fc712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:16:40, skipping insertion in model container [2024-01-30 14:16:40,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:16:40" (2/2) ... [2024-01-30 14:16:40,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c049da4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40, skipping insertion in model container [2024-01-30 14:16:40,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:16:40" (2/2) ... [2024-01-30 14:16:40,126 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:16:40,192 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:16:40,194 INFO L98 nessWitnessExtractor]: Location invariant before [L778-L778] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,194 INFO L98 nessWitnessExtractor]: Loop invariant at [L741-L742] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,194 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L742] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,194 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,194 INFO L98 nessWitnessExtractor]: Location invariant before [L782-L782] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,195 INFO L98 nessWitnessExtractor]: Location invariant before [L747-L747] COND == (_Bool)1 [2024-01-30 14:16:40,195 INFO L98 nessWitnessExtractor]: Location invariant before [L791-L791] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,195 INFO L98 nessWitnessExtractor]: Location invariant before [L790-L790] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,195 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,196 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,196 INFO L98 nessWitnessExtractor]: Location invariant before [L792-L792] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,196 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,196 INFO L98 nessWitnessExtractor]: Location invariant before [L796-L796] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,196 INFO L98 nessWitnessExtractor]: Location invariant before [L777-L779] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,196 INFO L98 nessWitnessExtractor]: Location invariant before [L792-L792] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,196 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,196 INFO L98 nessWitnessExtractor]: Location invariant before [L716-L716] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,197 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,197 INFO L98 nessWitnessExtractor]: Location invariant after [L786-L797] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,197 INFO L98 nessWitnessExtractor]: Location invariant before [L717-L723] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,197 INFO L98 nessWitnessExtractor]: Location invariant after [L717-L723] COND == (_Bool)1 [2024-01-30 14:16:40,197 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,198 INFO L98 nessWitnessExtractor]: Location invariant before [L722-L722] COND == (_Bool)1 [2024-01-30 14:16:40,198 INFO L98 nessWitnessExtractor]: Location invariant before [L704-L706] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,198 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L711] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,198 INFO L98 nessWitnessExtractor]: Location invariant after [L689-L693] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,198 INFO L98 nessWitnessExtractor]: Location invariant before [L747-L747] COND == (_Bool)1 [2024-01-30 14:16:40,198 INFO L98 nessWitnessExtractor]: Location invariant before [L703-L703] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,198 INFO L98 nessWitnessExtractor]: Location invariant before [L794-L794] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,198 INFO L98 nessWitnessExtractor]: Location invariant before [L788-L797] (unsigned long )arg == 0UL [2024-01-30 14:16:40,199 INFO L98 nessWitnessExtractor]: Location invariant before [L793-L793] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,199 INFO L98 nessWitnessExtractor]: Location invariant before [L790-L790] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,199 INFO L98 nessWitnessExtractor]: Loop invariant at [L787-L797] (unsigned long )arg == 0UL [2024-01-30 14:16:40,199 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,199 INFO L98 nessWitnessExtractor]: Location invariant before [L789-L789] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,199 INFO L98 nessWitnessExtractor]: Location invariant before [L793-L793] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,199 INFO L98 nessWitnessExtractor]: Location invariant before [L778-L778] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,200 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L715] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,201 INFO L98 nessWitnessExtractor]: Location invariant before [L780-L780] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,201 INFO L98 nessWitnessExtractor]: Location invariant before [L789-L789] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,201 INFO L98 nessWitnessExtractor]: Location invariant before [L796-L796] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,201 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,201 INFO L98 nessWitnessExtractor]: Location invariant before [L795-L795] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,201 INFO L98 nessWitnessExtractor]: Location invariant before [L791-L791] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,202 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,202 INFO L98 nessWitnessExtractor]: Location invariant before [L782-L782] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,202 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,202 INFO L98 nessWitnessExtractor]: Location invariant before [L780-L780] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,202 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,203 INFO L98 nessWitnessExtractor]: Location invariant before [L795-L795] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,203 INFO L98 nessWitnessExtractor]: Location invariant after [L738-L749] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,203 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,203 INFO L98 nessWitnessExtractor]: Location invariant before [L796-L796] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,203 INFO L98 nessWitnessExtractor]: Location invariant before [L791-L791] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,204 INFO L98 nessWitnessExtractor]: Location invariant before [L708-L708] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,204 INFO L98 nessWitnessExtractor]: Location invariant before [L793-L793] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,204 INFO L98 nessWitnessExtractor]: Location invariant before [L794-L794] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,205 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L744] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,205 INFO L98 nessWitnessExtractor]: Loop invariant at [L745-L746] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,205 INFO L98 nessWitnessExtractor]: Location invariant after [L745-L746] COND == (_Bool)0 [2024-01-30 14:16:40,205 INFO L98 nessWitnessExtractor]: Location invariant before [L790-L790] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,205 INFO L98 nessWitnessExtractor]: Location invariant before [L794-L794] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,205 INFO L98 nessWitnessExtractor]: Location invariant before [L789-L789] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,206 INFO L98 nessWitnessExtractor]: Location invariant before [L795-L795] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,206 INFO L98 nessWitnessExtractor]: Location invariant before [L792-L792] ((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:40,206 INFO L98 nessWitnessExtractor]: Location invariant after [L753-L755] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,206 INFO L98 nessWitnessExtractor]: Location invariant after [L691-L692] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,206 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L692] COND == (_Bool)0 || COND == (_Bool)1 [2024-01-30 14:16:40,249 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:16:40,505 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/43_NetBSD_sysmon_power_sliced-pthread.i[30535,30548] [2024-01-30 14:16:40,512 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/43_NetBSD_sysmon_power_sliced-pthread.i[30687,30700] [2024-01-30 14:16:40,522 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/43_NetBSD_sysmon_power_sliced-pthread.i[31414,31427] [2024-01-30 14:16:40,524 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/43_NetBSD_sysmon_power_sliced-pthread.i[31599,31612] [2024-01-30 14:16:40,526 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/43_NetBSD_sysmon_power_sliced-pthread.i[31752,31765] [2024-01-30 14:16:40,537 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/43_NetBSD_sysmon_power_sliced-pthread.i[32141,32154] [2024-01-30 14:16:40,539 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/43_NetBSD_sysmon_power_sliced-pthread.i[32327,32340] [2024-01-30 14:16:40,542 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/43_NetBSD_sysmon_power_sliced-pthread.i[32488,32501] [2024-01-30 14:16:40,543 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/43_NetBSD_sysmon_power_sliced-pthread.i[32646,32659] [2024-01-30 14:16:40,546 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/43_NetBSD_sysmon_power_sliced-pthread.i[32802,32815] [2024-01-30 14:16:40,549 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/43_NetBSD_sysmon_power_sliced-pthread.i[33149,33162] [2024-01-30 14:16:40,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:16:40,578 INFO L202 MainTranslator]: Completed pre-run [2024-01-30 14:16:40,653 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/43_NetBSD_sysmon_power_sliced-pthread.i[30535,30548] Start Parsing Local [2024-01-30 14:16:40,687 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local [2024-01-30 14:16:40,695 WARN L424 MainDispatcher]: Unable to annotate inline int sysmon_queue_power_event(){ { if(!(1)) { ERROR: {reach_error();abort();}(void)0; } }; if (__VERIFIER_nondet_int()) return 0; return 1; } with a witness entry [2024-01-30 14:16:40,696 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/43_NetBSD_sysmon_power_sliced-pthread.i[30687,30700] Start Parsing Local Start Parsing Local [2024-01-30 14:16:40,710 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-30 14:16:40,715 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local [2024-01-30 14:16:40,719 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-30 14:16:40,722 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-30 14:16:40,725 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/43_NetBSD_sysmon_power_sliced-pthread.i[31414,31427] Start Parsing Local [2024-01-30 14:16:40,727 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry [2024-01-30 14:16:40,727 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/43_NetBSD_sysmon_power_sliced-pthread.i[31599,31612] [2024-01-30 14:16:40,727 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/43_NetBSD_sysmon_power_sliced-pthread.i[31752,31765] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-30 14:16:40,733 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local [2024-01-30 14:16:40,734 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/43_NetBSD_sysmon_power_sliced-pthread.i[32141,32154] Start Parsing Local [2024-01-30 14:16:40,736 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/43_NetBSD_sysmon_power_sliced-pthread.i[32327,32340] [2024-01-30 14:16:40,737 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/43_NetBSD_sysmon_power_sliced-pthread.i[32488,32501] [2024-01-30 14:16:40,738 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/43_NetBSD_sysmon_power_sliced-pthread.i[32646,32659] [2024-01-30 14:16:40,739 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/43_NetBSD_sysmon_power_sliced-pthread.i[32802,32815] Start Parsing Local [2024-01-30 14:16:40,742 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local [2024-01-30 14:16:40,746 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local [2024-01-30 14:16:40,747 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry [2024-01-30 14:16:40,747 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/43_NetBSD_sysmon_power_sliced-pthread.i[33149,33162] 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 [2024-01-30 14:16:40,772 WARN L424 MainDispatcher]: Unable to annotate void* thr1(void* arg){ while(1) switch(__VERIFIER_nondet_int()){ case 0: sysmon_power_daemon_task(); break; case 1: sysmonopen_power(); break; case 2: sysmonclose_power(); break; case 3: sysmonread_power(); break; case 4: sysmonpoll_power(); break; case 5: filt_sysmon_power_rdetach(); break; case 6: filt_sysmon_power_read(); break; case 7: sysmonkqfilter_power(); break; case 8: sysmonioctl_power(); break; }} with a witness entry [2024-01-30 14:16:40,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:16:40,803 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:16:40,804 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40 WrapperNode [2024-01-30 14:16:40,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:16:40,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:16:40,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:16:40,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:16:40,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40" (1/1) ... [2024-01-30 14:16:40,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40" (1/1) ... [2024-01-30 14:16:40,874 INFO L138 Inliner]: procedures = 174, calls = 65, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 398 [2024-01-30 14:16:40,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:16:40,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:16:40,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:16:40,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:16:40,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40" (1/1) ... [2024-01-30 14:16:40,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40" (1/1) ... [2024-01-30 14:16:40,900 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40" (1/1) ... [2024-01-30 14:16:40,928 INFO L175 MemorySlicer]: Split 18 memory accesses to 4 slices as follows [2, 5, 10, 1]. 56 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 10, 0]. The 1 writes are split as follows [0, 0, 0, 1]. [2024-01-30 14:16:40,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40" (1/1) ... [2024-01-30 14:16:40,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40" (1/1) ... [2024-01-30 14:16:40,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40" (1/1) ... [2024-01-30 14:16:40,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40" (1/1) ... [2024-01-30 14:16:40,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40" (1/1) ... [2024-01-30 14:16:40,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40" (1/1) ... [2024-01-30 14:16:40,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:16:40,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:16:40,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:16:40,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:16:40,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40" (1/1) ... [2024-01-30 14:16:41,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:16:41,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:16:41,043 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) [2024-01-30 14:16:41,046 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 [2024-01-30 14:16:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-01-30 14:16:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-01-30 14:16:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:16:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:16:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:16:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-30 14:16:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-30 14:16:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:16:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:16:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:16:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:16:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:16:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:16:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-30 14:16:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-30 14:16:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:16:41,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:16:41,093 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-30 14:16:41,245 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:16:41,248 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:16:41,681 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:16:41,681 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:16:41,809 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:16:41,810 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-01-30 14:16:41,811 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:16:41 BoogieIcfgContainer [2024-01-30 14:16:41,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:16:41,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:16:41,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:16:41,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:16:41,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:16:39" (1/4) ... [2024-01-30 14:16:41,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df5f8f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:16:41, skipping insertion in model container [2024-01-30 14:16:41,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:16:40" (2/4) ... [2024-01-30 14:16:41,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df5f8f0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:16:41, skipping insertion in model container [2024-01-30 14:16:41,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:40" (3/4) ... [2024-01-30 14:16:41,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df5f8f0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:16:41, skipping insertion in model container [2024-01-30 14:16:41,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:16:41" (4/4) ... [2024-01-30 14:16:41,821 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced-pthread.i [2024-01-30 14:16:41,835 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:16:41,835 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 53 error locations. [2024-01-30 14:16:41,836 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:16:41,907 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-30 14:16:41,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 215 places, 250 transitions, 504 flow [2024-01-30 14:16:41,975 INFO L124 PetriNetUnfolderBase]: 38/252 cut-off events. [2024-01-30 14:16:41,978 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:16:41,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 252 events. 38/252 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1126 event pairs, 0 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 247. Up to 10 conditions per place. [2024-01-30 14:16:41,981 INFO L82 GeneralOperation]: Start removeDead. Operand has 215 places, 250 transitions, 504 flow [2024-01-30 14:16:41,989 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 215 places, 250 transitions, 504 flow [2024-01-30 14:16:41,998 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:16:42,031 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;@5fea6442, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:16:42,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 107 error locations. [2024-01-30 14:16:42,035 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:16:42,037 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-01-30 14:16:42,037 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:16:42,038 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:16:42,038 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-30 14:16:42,042 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 104 more)] === [2024-01-30 14:16:42,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:16:42,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1039897582, now seen corresponding path program 1 times [2024-01-30 14:16:42,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:16:42,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309842644] [2024-01-30 14:16:42,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:16:42,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:16:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:16:42,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:16:42,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:16:42,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309842644] [2024-01-30 14:16:42,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309842644] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:16:42,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:16:42,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:16:42,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594562950] [2024-01-30 14:16:42,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:16:42,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:16:42,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:16:42,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:16:42,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:16:42,419 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 250 [2024-01-30 14:16:42,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 250 transitions, 504 flow. Second operand has 4 states, 4 states have (on average 103.25) internal successors, (413), 4 states have internal predecessors, (413), 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) [2024-01-30 14:16:42,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:16:42,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 250 [2024-01-30 14:16:42,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:16:42,674 INFO L124 PetriNetUnfolderBase]: 148/503 cut-off events. [2024-01-30 14:16:42,674 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:16:42,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 828 conditions, 503 events. 148/503 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2522 event pairs, 0 based on Foata normal form. 32/469 useless extension candidates. Maximal degree in co-relation 816. Up to 316 conditions per place. [2024-01-30 14:16:42,682 INFO L140 encePairwiseOnDemand]: 222/250 looper letters, 112 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2024-01-30 14:16:42,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 206 transitions, 644 flow [2024-01-30 14:16:42,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:16:42,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:16:42,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 550 transitions. [2024-01-30 14:16:42,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.55 [2024-01-30 14:16:42,699 INFO L175 Difference]: Start difference. First operand has 215 places, 250 transitions, 504 flow. Second operand 4 states and 550 transitions. [2024-01-30 14:16:42,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 206 transitions, 644 flow [2024-01-30 14:16:42,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 206 transitions, 644 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-30 14:16:42,707 INFO L231 Difference]: Finished difference. Result has 185 places, 204 transitions, 416 flow [2024-01-30 14:16:42,709 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=250, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=416, PETRI_PLACES=185, PETRI_TRANSITIONS=204} [2024-01-30 14:16:42,712 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -30 predicate places. [2024-01-30 14:16:42,713 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 204 transitions, 416 flow [2024-01-30 14:16:42,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.25) internal successors, (413), 4 states have internal predecessors, (413), 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) [2024-01-30 14:16:42,713 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:16:42,714 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1] [2024-01-30 14:16:42,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:16:42,714 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 104 more)] === [2024-01-30 14:16:42,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:16:42,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1039892308, now seen corresponding path program 1 times [2024-01-30 14:16:42,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:16:42,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379041928] [2024-01-30 14:16:42,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:16:42,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:16:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:16:42,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-30 14:16:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:16:42,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-30 14:16:42,784 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-30 14:16:42,785 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (106 of 107 remaining) [2024-01-30 14:16:42,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 107 remaining) [2024-01-30 14:16:42,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 107 remaining) [2024-01-30 14:16:42,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 107 remaining) [2024-01-30 14:16:42,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 107 remaining) [2024-01-30 14:16:42,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 107 remaining) [2024-01-30 14:16:42,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 107 remaining) [2024-01-30 14:16:42,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 107 remaining) [2024-01-30 14:16:42,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 107 remaining) [2024-01-30 14:16:42,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 107 remaining) [2024-01-30 14:16:42,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 107 remaining) [2024-01-30 14:16:42,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 107 remaining) [2024-01-30 14:16:42,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 107 remaining) [2024-01-30 14:16:42,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 107 remaining) [2024-01-30 14:16:42,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 107 remaining) [2024-01-30 14:16:42,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 107 remaining) [2024-01-30 14:16:42,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONERROR_FUNCTION (90 of 107 remaining) [2024-01-30 14:16:42,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 107 remaining) [2024-01-30 14:16:42,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 107 remaining) [2024-01-30 14:16:42,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 107 remaining) [2024-01-30 14:16:42,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONERROR_FUNCTION (86 of 107 remaining) [2024-01-30 14:16:42,792 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONERROR_FUNCTION (85 of 107 remaining) [2024-01-30 14:16:42,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 107 remaining) [2024-01-30 14:16:42,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 107 remaining) [2024-01-30 14:16:42,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 107 remaining) [2024-01-30 14:16:42,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 107 remaining) [2024-01-30 14:16:42,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 107 remaining) [2024-01-30 14:16:42,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 107 remaining) [2024-01-30 14:16:42,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONERROR_FUNCTION (78 of 107 remaining) [2024-01-30 14:16:42,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 107 remaining) [2024-01-30 14:16:42,793 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 107 remaining) [2024-01-30 14:16:42,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONERROR_FUNCTION (75 of 107 remaining) [2024-01-30 14:16:42,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (74 of 107 remaining) [2024-01-30 14:16:42,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 107 remaining) [2024-01-30 14:16:42,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (72 of 107 remaining) [2024-01-30 14:16:42,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 107 remaining) [2024-01-30 14:16:42,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONERROR_FUNCTION (70 of 107 remaining) [2024-01-30 14:16:42,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 107 remaining) [2024-01-30 14:16:42,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 107 remaining) [2024-01-30 14:16:42,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 107 remaining) [2024-01-30 14:16:42,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONERROR_FUNCTION (66 of 107 remaining) [2024-01-30 14:16:42,795 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 107 remaining) [2024-01-30 14:16:42,798 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 107 remaining) [2024-01-30 14:16:42,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 107 remaining) [2024-01-30 14:16:42,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (62 of 107 remaining) [2024-01-30 14:16:42,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 107 remaining) [2024-01-30 14:16:42,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONERROR_FUNCTION (60 of 107 remaining) [2024-01-30 14:16:42,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 107 remaining) [2024-01-30 14:16:42,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 107 remaining) [2024-01-30 14:16:42,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 107 remaining) [2024-01-30 14:16:42,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 107 remaining) [2024-01-30 14:16:42,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 107 remaining) [2024-01-30 14:16:42,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 107 remaining) [2024-01-30 14:16:42,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 107 remaining) [2024-01-30 14:16:42,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 107 remaining) [2024-01-30 14:16:42,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 107 remaining) [2024-01-30 14:16:42,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 107 remaining) [2024-01-30 14:16:42,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 107 remaining) [2024-01-30 14:16:42,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 107 remaining) [2024-01-30 14:16:42,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 107 remaining) [2024-01-30 14:16:42,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 107 remaining) [2024-01-30 14:16:42,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 107 remaining) [2024-01-30 14:16:42,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 107 remaining) [2024-01-30 14:16:42,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 107 remaining) [2024-01-30 14:16:42,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 107 remaining) [2024-01-30 14:16:42,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 107 remaining) [2024-01-30 14:16:42,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 107 remaining) [2024-01-30 14:16:42,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 107 remaining) [2024-01-30 14:16:42,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 107 remaining) [2024-01-30 14:16:42,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONERROR_FUNCTION (37 of 107 remaining) [2024-01-30 14:16:42,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 107 remaining) [2024-01-30 14:16:42,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 107 remaining) [2024-01-30 14:16:42,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 107 remaining) [2024-01-30 14:16:42,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONERROR_FUNCTION (33 of 107 remaining) [2024-01-30 14:16:42,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONERROR_FUNCTION (32 of 107 remaining) [2024-01-30 14:16:42,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 107 remaining) [2024-01-30 14:16:42,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 107 remaining) [2024-01-30 14:16:42,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 107 remaining) [2024-01-30 14:16:42,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 107 remaining) [2024-01-30 14:16:42,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 107 remaining) [2024-01-30 14:16:42,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 107 remaining) [2024-01-30 14:16:42,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONERROR_FUNCTION (25 of 107 remaining) [2024-01-30 14:16:42,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 107 remaining) [2024-01-30 14:16:42,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 107 remaining) [2024-01-30 14:16:42,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONERROR_FUNCTION (22 of 107 remaining) [2024-01-30 14:16:42,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (21 of 107 remaining) [2024-01-30 14:16:42,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 107 remaining) [2024-01-30 14:16:42,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (19 of 107 remaining) [2024-01-30 14:16:42,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 107 remaining) [2024-01-30 14:16:42,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONERROR_FUNCTION (17 of 107 remaining) [2024-01-30 14:16:42,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 107 remaining) [2024-01-30 14:16:42,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 107 remaining) [2024-01-30 14:16:42,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 107 remaining) [2024-01-30 14:16:42,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONERROR_FUNCTION (13 of 107 remaining) [2024-01-30 14:16:42,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 107 remaining) [2024-01-30 14:16:42,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 107 remaining) [2024-01-30 14:16:42,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 107 remaining) [2024-01-30 14:16:42,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (9 of 107 remaining) [2024-01-30 14:16:42,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 107 remaining) [2024-01-30 14:16:42,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONERROR_FUNCTION (7 of 107 remaining) [2024-01-30 14:16:42,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 107 remaining) [2024-01-30 14:16:42,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 107 remaining) [2024-01-30 14:16:42,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 107 remaining) [2024-01-30 14:16:42,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 107 remaining) [2024-01-30 14:16:42,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 107 remaining) [2024-01-30 14:16:42,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 107 remaining) [2024-01-30 14:16:42,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 107 remaining) [2024-01-30 14:16:42,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-30 14:16:42,809 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-30 14:16:42,812 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-01-30 14:16:42,812 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-01-30 14:16:42,887 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-30 14:16:42,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 425 places, 496 transitions, 1002 flow [2024-01-30 14:16:42,984 INFO L124 PetriNetUnfolderBase]: 76/500 cut-off events. [2024-01-30 14:16:42,984 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-30 14:16:42,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 500 events. 76/500 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3063 event pairs, 0 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 492. Up to 10 conditions per place. [2024-01-30 14:16:42,994 INFO L82 GeneralOperation]: Start removeDead. Operand has 425 places, 496 transitions, 1002 flow [2024-01-30 14:16:43,005 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 425 places, 496 transitions, 1002 flow [2024-01-30 14:16:43,006 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:16:43,006 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;@5fea6442, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:16:43,007 INFO L358 AbstractCegarLoop]: Starting to check reachability of 160 error locations. [2024-01-30 14:16:43,008 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:16:43,008 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-01-30 14:16:43,008 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-30 14:16:43,008 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:16:43,008 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-30 14:16:43,008 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 157 more)] === [2024-01-30 14:16:43,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:16:43,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1513476147, now seen corresponding path program 1 times [2024-01-30 14:16:43,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:16:43,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038617929] [2024-01-30 14:16:43,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:16:43,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:16:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:16:43,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:16:43,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:16:43,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038617929] [2024-01-30 14:16:43,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038617929] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:16:43,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:16:43,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:16:43,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567162718] [2024-01-30 14:16:43,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:16:43,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:16:43,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:16:43,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:16:43,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:16:43,108 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 496 [2024-01-30 14:16:43,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 496 transitions, 1002 flow. Second operand has 4 states, 4 states have (on average 216.25) internal successors, (865), 4 states have internal predecessors, (865), 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) [2024-01-30 14:16:43,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:16:43,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 496 [2024-01-30 14:16:43,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:16:48,719 INFO L124 PetriNetUnfolderBase]: 37286/73899 cut-off events. [2024-01-30 14:16:48,719 INFO L125 PetriNetUnfolderBase]: For 297/297 co-relation queries the response was YES. [2024-01-30 14:16:48,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127853 conditions, 73899 events. 37286/73899 cut-off events. For 297/297 co-relation queries the response was YES. Maximal size of possible extension queue 1807. Compared 762428 event pairs, 18993 based on Foata normal form. 6249/69431 useless extension candidates. Maximal degree in co-relation 126528. Up to 53331 conditions per place. [2024-01-30 14:16:49,098 INFO L140 encePairwiseOnDemand]: 454/496 looper letters, 330 selfloop transitions, 2 changer transitions 0/527 dead transitions. [2024-01-30 14:16:49,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 527 transitions, 1733 flow [2024-01-30 14:16:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:16:49,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:16:49,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1248 transitions. [2024-01-30 14:16:49,101 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6290322580645161 [2024-01-30 14:16:49,101 INFO L175 Difference]: Start difference. First operand has 425 places, 496 transitions, 1002 flow. Second operand 4 states and 1248 transitions. [2024-01-30 14:16:49,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 527 transitions, 1733 flow [2024-01-30 14:16:49,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 527 transitions, 1733 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-30 14:16:49,109 INFO L231 Difference]: Finished difference. Result has 374 places, 416 transitions, 846 flow [2024-01-30 14:16:49,111 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=846, PETRI_PLACES=374, PETRI_TRANSITIONS=416} [2024-01-30 14:16:49,112 INFO L281 CegarLoopForPetriNet]: 425 programPoint places, -51 predicate places. [2024-01-30 14:16:49,112 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 416 transitions, 846 flow [2024-01-30 14:16:49,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 216.25) internal successors, (865), 4 states have internal predecessors, (865), 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) [2024-01-30 14:16:49,113 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:16:49,113 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1] [2024-01-30 14:16:49,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-30 14:16:49,114 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 157 more)] === [2024-01-30 14:16:49,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:16:49,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1555653460, now seen corresponding path program 1 times [2024-01-30 14:16:49,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:16:49,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575596940] [2024-01-30 14:16:49,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:16:49,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:16:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:16:49,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-30 14:16:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:16:49,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-30 14:16:49,171 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-30 14:16:49,171 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (159 of 160 remaining) [2024-01-30 14:16:49,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (158 of 160 remaining) [2024-01-30 14:16:49,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (157 of 160 remaining) [2024-01-30 14:16:49,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (156 of 160 remaining) [2024-01-30 14:16:49,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (155 of 160 remaining) [2024-01-30 14:16:49,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (154 of 160 remaining) [2024-01-30 14:16:49,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (153 of 160 remaining) [2024-01-30 14:16:49,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (152 of 160 remaining) [2024-01-30 14:16:49,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (151 of 160 remaining) [2024-01-30 14:16:49,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (150 of 160 remaining) [2024-01-30 14:16:49,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (149 of 160 remaining) [2024-01-30 14:16:49,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (148 of 160 remaining) [2024-01-30 14:16:49,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (147 of 160 remaining) [2024-01-30 14:16:49,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (146 of 160 remaining) [2024-01-30 14:16:49,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (145 of 160 remaining) [2024-01-30 14:16:49,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (144 of 160 remaining) [2024-01-30 14:16:49,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONERROR_FUNCTION (143 of 160 remaining) [2024-01-30 14:16:49,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (142 of 160 remaining) [2024-01-30 14:16:49,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (141 of 160 remaining) [2024-01-30 14:16:49,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 160 remaining) [2024-01-30 14:16:49,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONERROR_FUNCTION (139 of 160 remaining) [2024-01-30 14:16:49,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONERROR_FUNCTION (138 of 160 remaining) [2024-01-30 14:16:49,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (137 of 160 remaining) [2024-01-30 14:16:49,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 160 remaining) [2024-01-30 14:16:49,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 160 remaining) [2024-01-30 14:16:49,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 160 remaining) [2024-01-30 14:16:49,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 160 remaining) [2024-01-30 14:16:49,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 160 remaining) [2024-01-30 14:16:49,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONERROR_FUNCTION (131 of 160 remaining) [2024-01-30 14:16:49,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (130 of 160 remaining) [2024-01-30 14:16:49,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 160 remaining) [2024-01-30 14:16:49,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONERROR_FUNCTION (128 of 160 remaining) [2024-01-30 14:16:49,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (127 of 160 remaining) [2024-01-30 14:16:49,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 160 remaining) [2024-01-30 14:16:49,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (125 of 160 remaining) [2024-01-30 14:16:49,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 160 remaining) [2024-01-30 14:16:49,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONERROR_FUNCTION (123 of 160 remaining) [2024-01-30 14:16:49,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 160 remaining) [2024-01-30 14:16:49,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 160 remaining) [2024-01-30 14:16:49,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 160 remaining) [2024-01-30 14:16:49,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONERROR_FUNCTION (119 of 160 remaining) [2024-01-30 14:16:49,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 160 remaining) [2024-01-30 14:16:49,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 160 remaining) [2024-01-30 14:16:49,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 160 remaining) [2024-01-30 14:16:49,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (115 of 160 remaining) [2024-01-30 14:16:49,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 160 remaining) [2024-01-30 14:16:49,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONERROR_FUNCTION (113 of 160 remaining) [2024-01-30 14:16:49,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 160 remaining) [2024-01-30 14:16:49,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 160 remaining) [2024-01-30 14:16:49,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 160 remaining) [2024-01-30 14:16:49,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 160 remaining) [2024-01-30 14:16:49,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 160 remaining) [2024-01-30 14:16:49,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 160 remaining) [2024-01-30 14:16:49,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 160 remaining) [2024-01-30 14:16:49,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 160 remaining) [2024-01-30 14:16:49,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 160 remaining) [2024-01-30 14:16:49,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 160 remaining) [2024-01-30 14:16:49,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 160 remaining) [2024-01-30 14:16:49,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 160 remaining) [2024-01-30 14:16:49,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 160 remaining) [2024-01-30 14:16:49,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 160 remaining) [2024-01-30 14:16:49,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 160 remaining) [2024-01-30 14:16:49,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 160 remaining) [2024-01-30 14:16:49,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 160 remaining) [2024-01-30 14:16:49,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 160 remaining) [2024-01-30 14:16:49,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 160 remaining) [2024-01-30 14:16:49,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 160 remaining) [2024-01-30 14:16:49,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 160 remaining) [2024-01-30 14:16:49,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 160 remaining) [2024-01-30 14:16:49,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONERROR_FUNCTION (90 of 160 remaining) [2024-01-30 14:16:49,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 160 remaining) [2024-01-30 14:16:49,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 160 remaining) [2024-01-30 14:16:49,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 160 remaining) [2024-01-30 14:16:49,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONERROR_FUNCTION (86 of 160 remaining) [2024-01-30 14:16:49,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONERROR_FUNCTION (85 of 160 remaining) [2024-01-30 14:16:49,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 160 remaining) [2024-01-30 14:16:49,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 160 remaining) [2024-01-30 14:16:49,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 160 remaining) [2024-01-30 14:16:49,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 160 remaining) [2024-01-30 14:16:49,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 160 remaining) [2024-01-30 14:16:49,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 160 remaining) [2024-01-30 14:16:49,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONERROR_FUNCTION (78 of 160 remaining) [2024-01-30 14:16:49,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 160 remaining) [2024-01-30 14:16:49,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 160 remaining) [2024-01-30 14:16:49,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONERROR_FUNCTION (75 of 160 remaining) [2024-01-30 14:16:49,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (74 of 160 remaining) [2024-01-30 14:16:49,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 160 remaining) [2024-01-30 14:16:49,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (72 of 160 remaining) [2024-01-30 14:16:49,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 160 remaining) [2024-01-30 14:16:49,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONERROR_FUNCTION (70 of 160 remaining) [2024-01-30 14:16:49,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 160 remaining) [2024-01-30 14:16:49,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 160 remaining) [2024-01-30 14:16:49,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 160 remaining) [2024-01-30 14:16:49,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONERROR_FUNCTION (66 of 160 remaining) [2024-01-30 14:16:49,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 160 remaining) [2024-01-30 14:16:49,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 160 remaining) [2024-01-30 14:16:49,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 160 remaining) [2024-01-30 14:16:49,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (62 of 160 remaining) [2024-01-30 14:16:49,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 160 remaining) [2024-01-30 14:16:49,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONERROR_FUNCTION (60 of 160 remaining) [2024-01-30 14:16:49,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 160 remaining) [2024-01-30 14:16:49,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 160 remaining) [2024-01-30 14:16:49,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 160 remaining) [2024-01-30 14:16:49,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 160 remaining) [2024-01-30 14:16:49,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 160 remaining) [2024-01-30 14:16:49,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 160 remaining) [2024-01-30 14:16:49,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 160 remaining) [2024-01-30 14:16:49,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 160 remaining) [2024-01-30 14:16:49,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 160 remaining) [2024-01-30 14:16:49,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 160 remaining) [2024-01-30 14:16:49,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 160 remaining) [2024-01-30 14:16:49,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 160 remaining) [2024-01-30 14:16:49,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 160 remaining) [2024-01-30 14:16:49,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 160 remaining) [2024-01-30 14:16:49,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 160 remaining) [2024-01-30 14:16:49,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 160 remaining) [2024-01-30 14:16:49,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 160 remaining) [2024-01-30 14:16:49,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 160 remaining) [2024-01-30 14:16:49,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 160 remaining) [2024-01-30 14:16:49,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 160 remaining) [2024-01-30 14:16:49,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 160 remaining) [2024-01-30 14:16:49,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 160 remaining) [2024-01-30 14:16:49,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONERROR_FUNCTION (37 of 160 remaining) [2024-01-30 14:16:49,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 160 remaining) [2024-01-30 14:16:49,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 160 remaining) [2024-01-30 14:16:49,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 160 remaining) [2024-01-30 14:16:49,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONERROR_FUNCTION (33 of 160 remaining) [2024-01-30 14:16:49,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONERROR_FUNCTION (32 of 160 remaining) [2024-01-30 14:16:49,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 160 remaining) [2024-01-30 14:16:49,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 160 remaining) [2024-01-30 14:16:49,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 160 remaining) [2024-01-30 14:16:49,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 160 remaining) [2024-01-30 14:16:49,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 160 remaining) [2024-01-30 14:16:49,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 160 remaining) [2024-01-30 14:16:49,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONERROR_FUNCTION (25 of 160 remaining) [2024-01-30 14:16:49,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 160 remaining) [2024-01-30 14:16:49,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 160 remaining) [2024-01-30 14:16:49,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONERROR_FUNCTION (22 of 160 remaining) [2024-01-30 14:16:49,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (21 of 160 remaining) [2024-01-30 14:16:49,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 160 remaining) [2024-01-30 14:16:49,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONERROR_FUNCTION (19 of 160 remaining) [2024-01-30 14:16:49,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 160 remaining) [2024-01-30 14:16:49,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONERROR_FUNCTION (17 of 160 remaining) [2024-01-30 14:16:49,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 160 remaining) [2024-01-30 14:16:49,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 160 remaining) [2024-01-30 14:16:49,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 160 remaining) [2024-01-30 14:16:49,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONERROR_FUNCTION (13 of 160 remaining) [2024-01-30 14:16:49,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 160 remaining) [2024-01-30 14:16:49,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 160 remaining) [2024-01-30 14:16:49,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 160 remaining) [2024-01-30 14:16:49,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONERROR_FUNCTION (9 of 160 remaining) [2024-01-30 14:16:49,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 160 remaining) [2024-01-30 14:16:49,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONERROR_FUNCTION (7 of 160 remaining) [2024-01-30 14:16:49,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 160 remaining) [2024-01-30 14:16:49,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 160 remaining) [2024-01-30 14:16:49,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 160 remaining) [2024-01-30 14:16:49,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 160 remaining) [2024-01-30 14:16:49,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 160 remaining) [2024-01-30 14:16:49,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 160 remaining) [2024-01-30 14:16:49,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 160 remaining) [2024-01-30 14:16:49,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-30 14:16:49,201 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-30 14:16:49,203 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-01-30 14:16:49,203 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-01-30 14:16:49,309 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-30 14:16:49,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 635 places, 742 transitions, 1502 flow [2024-01-30 14:16:49,486 INFO L124 PetriNetUnfolderBase]: 114/748 cut-off events. [2024-01-30 14:16:49,486 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-01-30 14:16:49,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 761 conditions, 748 events. 114/748 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 5254 event pairs, 0 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 737. Up to 10 conditions per place. [2024-01-30 14:16:49,508 INFO L82 GeneralOperation]: Start removeDead. Operand has 635 places, 742 transitions, 1502 flow [2024-01-30 14:16:49,535 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 635 places, 742 transitions, 1502 flow [2024-01-30 14:16:49,537 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:16:49,538 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;@5fea6442, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:16:49,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 213 error locations. [2024-01-30 14:16:49,540 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:16:49,541 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-01-30 14:16:49,541 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-30 14:16:49,541 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:16:49,541 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-30 14:16:49,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 210 more)] === [2024-01-30 14:16:49,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:16:49,543 INFO L85 PathProgramCache]: Analyzing trace with hash -2073161394, now seen corresponding path program 1 times [2024-01-30 14:16:49,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:16:49,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726586088] [2024-01-30 14:16:49,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:16:49,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:16:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:16:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:16:49,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:16:49,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726586088] [2024-01-30 14:16:49,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726586088] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:16:49,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:16:49,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:16:49,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892893817] [2024-01-30 14:16:49,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:16:49,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:16:49,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:16:49,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:16:49,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:16:49,650 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 742 [2024-01-30 14:16:49,652 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 742 transitions, 1502 flow. Second operand has 4 states, 4 states have (on average 329.25) internal successors, (1317), 4 states have internal predecessors, (1317), 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) [2024-01-30 14:16:49,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:16:49,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 742 [2024-01-30 14:16:49,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand