./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe031_power.oepc_pso.oepc_rmo.oepc.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe031_power.oepc_pso.oepc_rmo.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 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-wmm/safe031_power.oepc_pso.oepc_rmo.oepc.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe031_power.oepc_pso.oepc_rmo.oepc.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-958ec4d-m [2024-02-07 14:52:58,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:52:58,158 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:52:58,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:52:58,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:52:58,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:52:58,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:52:58,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:52:58,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:52:58,177 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:52:58,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:52:58,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:52:58,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:52:58,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:52:58,179 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:52:58,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:52:58,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:52:58,180 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:52:58,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:52:58,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:52:58,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:52:58,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:52:58,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:52:58,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:52:58,182 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:52:58,182 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:52:58,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:52:58,183 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:52:58,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:52:58,183 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:52:58,183 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:52:58,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:52:58,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:52:58,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:52:58,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:52:58,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:52:58,185 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:52:58,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:52:58,185 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:52:58,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:52:58,186 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:52:58,196 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:52:58,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:52:58,196 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:52:58,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:52:58,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:52:58,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:52:58,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:52:58,427 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:52:58,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_power.oepc_pso.oepc_rmo.oepc.i [2024-02-07 14:52:59,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:52:59,756 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:52:59,756 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_power.oepc_pso.oepc_rmo.oepc.i [2024-02-07 14:52:59,767 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11171b5ed/f25ef1fa08ed488a9ad27890fa871c00/FLAGc9e23b241 [2024-02-07 14:52:59,777 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11171b5ed/f25ef1fa08ed488a9ad27890fa871c00 [2024-02-07 14:52:59,779 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:52:59,783 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:52:59,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe031_power.oepc_pso.oepc_rmo.oepc.yml/witness.yml [2024-02-07 14:52:59,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:52:59,914 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:52:59,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:52:59,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:52:59,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:52:59,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:52:59" (1/2) ... [2024-02-07 14:52:59,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd01ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:59, skipping insertion in model container [2024-02-07 14:52:59,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:52:59" (1/2) ... [2024-02-07 14:52:59,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7689a578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:59, skipping insertion in model container [2024-02-07 14:52:59,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:59" (2/2) ... [2024-02-07 14:52:59,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd01ddd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:59, skipping insertion in model container [2024-02-07 14:52:59,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:59" (2/2) ... [2024-02-07 14:52:59,923 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:53:00,044 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:53:00,046 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:53:00,046 INFO L76 edCorrectnessWitness]: Location invariant before [L749-L749] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:53:00,046 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] (x$r_buff0_thd3 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:53:00,046 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] (x$r_buff0_thd3 == (_Bool)0) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) [2024-02-07 14:53:00,046 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] (x$r_buff1_thd3 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:53:00,047 INFO L76 edCorrectnessWitness]: Location invariant before [L748-L748] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:53:00,047 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] (x$r_buff0_thd1 == (_Bool)0) && (x$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:53:00,047 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1 [2024-02-07 14:53:00,048 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] 0 <= __unbuffered_cnt [2024-02-07 14:53:00,048 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] x$r_buff0_thd2 == (_Bool)1 [2024-02-07 14:53:00,048 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:53:00,048 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] z == 1 [2024-02-07 14:53:00,048 INFO L76 edCorrectnessWitness]: Location invariant before [L743-L743] z == 2 [2024-02-07 14:53:00,048 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:53:00,048 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) && (((x$w_buff1_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1))) [2024-02-07 14:53:00,049 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] (x$r_buff1_thd0 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:53:00,049 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] y == 1 [2024-02-07 14:53:00,049 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:53:00,049 INFO L76 edCorrectnessWitness]: Location invariant before [L753-L753] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:53:00,049 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:53:00,049 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] (x$w_buff1_used == (_Bool)1 && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) [2024-02-07 14:53:00,050 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] (x$r_buff1_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:53:00,050 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] y == 2 [2024-02-07 14:53:00,050 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:53:00,050 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] 1 <= __unbuffered_cnt [2024-02-07 14:53:00,050 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] (((0 <= x) && (x <= 1)) && (x$r_buff1_thd1 == (_Bool)0)) && (x == 0 || x == 1) [2024-02-07 14:53:00,050 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:53:00,051 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) && (((x$w_buff1_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1))) [2024-02-07 14:53:00,051 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] (x$r_buff1_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:53:00,051 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] (x$r_buff1_thd3 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:53:00,051 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:53:00,051 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] ((((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (y == 2)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (z == 2 || (((0 <= z && z <= 2) && z <= 127) && ((z == 0 || z == 1) || z == 2))) [2024-02-07 14:53:00,051 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] (x$r_buff0_thd3 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:53:00,051 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] 0 <= __unbuffered_cnt [2024-02-07 14:53:00,052 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] (x$r_buff1_thd3 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:53:00,052 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:53:00,052 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] 1 <= __unbuffered_cnt [2024-02-07 14:53:00,052 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:53:00,053 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] ((0 <= x$w_buff0) && (x$w_buff0 <= 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1) [2024-02-07 14:53:00,053 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:53:00,053 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:53:00,054 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:53:00,054 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] x$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:53:00,054 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] 1 <= __unbuffered_cnt [2024-02-07 14:53:00,054 INFO L76 edCorrectnessWitness]: Location invariant before [L750-L750] (((0 <= x) && (x <= 1)) && (x == 0 || x == 1)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1) [2024-02-07 14:53:00,054 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] ((0 <= x$w_buff1) && (x$w_buff1 <= 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1) [2024-02-07 14:53:00,055 INFO L76 edCorrectnessWitness]: Location invariant before [L752-L752] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:53:00,055 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:53:00,055 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] (x$r_buff1_thd1 == (_Bool)0) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:53:00,055 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] x$flush_delayed == (_Bool)0 [2024-02-07 14:53:00,055 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] (x$w_buff0 == 1) && (x$w_buff0_used == (_Bool)0 || x$w_buff0_used == (_Bool)1) [2024-02-07 14:53:00,055 INFO L76 edCorrectnessWitness]: Location invariant before [L755-L755] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:53:00,056 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] (x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)1) [2024-02-07 14:53:00,056 INFO L76 edCorrectnessWitness]: Location invariant before [L751-L751] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:53:00,056 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] 0 <= __unbuffered_cnt [2024-02-07 14:53:00,057 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] 0 <= __unbuffered_cnt [2024-02-07 14:53:00,057 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:53:00,057 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1 [2024-02-07 14:53:00,058 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:53:00,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:53:00,241 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_power.oepc_pso.oepc_rmo.oepc.i[1013,1026] [2024-02-07 14:53:00,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:53:00,395 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:53:00,431 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_power.oepc_pso.oepc_rmo.oepc.i[1013,1026] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:53:00,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:53:00,536 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:53:00,537 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:53:00 WrapperNode [2024-02-07 14:53:00,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:53:00,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:53:00,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:53:00,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:53:00,543 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 07.02 02:53:00" (1/1) ... [2024-02-07 14:53:00,570 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 07.02 02:53:00" (1/1) ... [2024-02-07 14:53:00,606 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 160 [2024-02-07 14:53:00,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:53:00,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:53:00,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:53:00,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:53:00,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:53:00" (1/1) ... [2024-02-07 14:53:00,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:53:00" (1/1) ... [2024-02-07 14:53:00,636 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:53:00" (1/1) ... [2024-02-07 14:53:00,657 INFO L175 MemorySlicer]: Split 5 memory accesses to 4 slices as follows [2, 1, 1, 1]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-07 14:53:00,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:53:00" (1/1) ... [2024-02-07 14:53:00,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:53:00" (1/1) ... [2024-02-07 14:53:00,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:53:00" (1/1) ... [2024-02-07 14:53:00,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:53:00" (1/1) ... [2024-02-07 14:53:00,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:53:00" (1/1) ... [2024-02-07 14:53:00,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:53:00" (1/1) ... [2024-02-07 14:53:00,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:53:00,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:53:00,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:53:00,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:53:00,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:53:00" (1/1) ... [2024-02-07 14:53:00,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:53:00,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:53:00,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:53:00,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:53:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:53:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:53:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:53:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:53:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:53:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:53:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:53:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:53:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:53:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:53:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:53:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:53:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:53:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:53:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:53:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:53:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:53:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:53:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:53:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:53:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:53:00,774 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:53:00,931 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:53:00,932 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:53:01,289 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:53:01,290 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:53:01,548 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:53:01,549 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:53:01,550 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:53:01 BoogieIcfgContainer [2024-02-07 14:53:01,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:53:01,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:53:01,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:53:01,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:53:01,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:52:59" (1/4) ... [2024-02-07 14:53:01,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594d727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:53:01, skipping insertion in model container [2024-02-07 14:53:01,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:59" (2/4) ... [2024-02-07 14:53:01,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594d727 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:53:01, skipping insertion in model container [2024-02-07 14:53:01,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:53:00" (3/4) ... [2024-02-07 14:53:01,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594d727 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:53:01, skipping insertion in model container [2024-02-07 14:53:01,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:53:01" (4/4) ... [2024-02-07 14:53:01,557 INFO L112 eAbstractionObserver]: Analyzing ICFG safe031_power.oepc_pso.oepc_rmo.oepc.i [2024-02-07 14:53:01,571 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:53:01,571 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2024-02-07 14:53:01,571 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:53:01,676 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:53:01,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 110 places, 101 transitions, 214 flow [2024-02-07 14:53:01,759 INFO L124 PetriNetUnfolderBase]: 1/98 cut-off events. [2024-02-07 14:53:01,760 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:53:01,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 98 events. 1/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 506 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 100. Up to 2 conditions per place. [2024-02-07 14:53:01,763 INFO L82 GeneralOperation]: Start removeDead. Operand has 110 places, 101 transitions, 214 flow [2024-02-07 14:53:01,767 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 98 transitions, 205 flow [2024-02-07 14:53:01,778 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:53:01,783 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;@2e38bad7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:53:01,784 INFO L358 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2024-02-07 14:53:01,787 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:53:01,787 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 14:53:01,787 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:53:01,787 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:53:01,788 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:53:01,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 110 more)] === [2024-02-07 14:53:01,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:53:01,794 INFO L85 PathProgramCache]: Analyzing trace with hash 20789931, now seen corresponding path program 1 times [2024-02-07 14:53:01,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:53:01,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247349220] [2024-02-07 14:53:01,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:53:01,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:53:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:53:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:53:01,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:53:01,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247349220] [2024-02-07 14:53:01,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247349220] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:53:01,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:53:01,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:53:01,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916722686] [2024-02-07 14:53:01,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:53:01,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:53:01,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:53:01,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:53:01,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:53:01,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 101 [2024-02-07 14:53:01,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 98 transitions, 205 flow. Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:53:01,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:53:01,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 101 [2024-02-07 14:53:01,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:53:04,874 INFO L124 PetriNetUnfolderBase]: 20039/31703 cut-off events. [2024-02-07 14:53:04,874 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-02-07 14:53:04,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59838 conditions, 31703 events. 20039/31703 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 2131. Compared 275307 event pairs, 20039 based on Foata normal form. 600/15583 useless extension candidates. Maximal degree in co-relation 59827. Up to 27985 conditions per place. [2024-02-07 14:53:05,055 INFO L140 encePairwiseOnDemand]: 70/101 looper letters, 42 selfloop transitions, 0 changer transitions 0/54 dead transitions. [2024-02-07 14:53:05,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 54 transitions, 201 flow [2024-02-07 14:53:05,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:53:05,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:53:05,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 103 transitions. [2024-02-07 14:53:05,065 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5099009900990099 [2024-02-07 14:53:05,066 INFO L175 Difference]: Start difference. First operand has 107 places, 98 transitions, 205 flow. Second operand 2 states and 103 transitions. [2024-02-07 14:53:05,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 54 transitions, 201 flow [2024-02-07 14:53:05,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 54 transitions, 198 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-07 14:53:05,072 INFO L231 Difference]: Finished difference. Result has 62 places, 54 transitions, 114 flow [2024-02-07 14:53:05,074 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=114, PETRI_PLACES=62, PETRI_TRANSITIONS=54} [2024-02-07 14:53:05,077 INFO L281 CegarLoopForPetriNet]: 107 programPoint places, -45 predicate places. [2024-02-07 14:53:05,077 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 54 transitions, 114 flow [2024-02-07 14:53:05,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:53:05,077 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:53:05,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-07 14:53:05,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:53:05,078 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 110 more)] === [2024-02-07 14:53:05,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:53:05,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1496427380, now seen corresponding path program 1 times [2024-02-07 14:53:05,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:53:05,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197384133] [2024-02-07 14:53:05,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:53:05,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:53:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:53:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:53:05,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:53:05,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197384133] [2024-02-07 14:53:05,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197384133] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:53:05,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:53:05,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:53:05,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998994257] [2024-02-07 14:53:05,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:53:05,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:53:05,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:53:05,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:53:05,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:53:05,164 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 101 [2024-02-07 14:53:05,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 54 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:53:05,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:53:05,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 101 [2024-02-07 14:53:05,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:53:06,965 INFO L124 PetriNetUnfolderBase]: 15719/22835 cut-off events. [2024-02-07 14:53:06,966 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:53:07,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45040 conditions, 22835 events. 15719/22835 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1581. Compared 158665 event pairs, 2759 based on Foata normal form. 0/10567 useless extension candidates. Maximal degree in co-relation 45037. Up to 17713 conditions per place. [2024-02-07 14:53:07,105 INFO L140 encePairwiseOnDemand]: 96/101 looper letters, 71 selfloop transitions, 4 changer transitions 0/87 dead transitions. [2024-02-07 14:53:07,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 87 transitions, 332 flow [2024-02-07 14:53:07,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:53:07,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:53:07,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 121 transitions. [2024-02-07 14:53:07,107 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39933993399339934 [2024-02-07 14:53:07,107 INFO L175 Difference]: Start difference. First operand has 62 places, 54 transitions, 114 flow. Second operand 3 states and 121 transitions. [2024-02-07 14:53:07,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 87 transitions, 332 flow [2024-02-07 14:53:07,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 87 transitions, 332 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 14:53:07,109 INFO L231 Difference]: Finished difference. Result has 63 places, 53 transitions, 120 flow [2024-02-07 14:53:07,110 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=63, PETRI_TRANSITIONS=53} [2024-02-07 14:53:07,110 INFO L281 CegarLoopForPetriNet]: 107 programPoint places, -44 predicate places. [2024-02-07 14:53:07,110 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 53 transitions, 120 flow [2024-02-07 14:53:07,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:53:07,111 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:53:07,111 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-07 14:53:07,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:53:07,111 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 110 more)] === [2024-02-07 14:53:07,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:53:07,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1496427378, now seen corresponding path program 1 times [2024-02-07 14:53:07,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:53:07,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006165122] [2024-02-07 14:53:07,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:53:07,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:53:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:53:07,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:53:07,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:53:07,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006165122] [2024-02-07 14:53:07,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006165122] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:53:07,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:53:07,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:53:07,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963111807] [2024-02-07 14:53:07,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:53:07,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:53:07,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:53:07,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:53:07,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:53:07,228 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 101 [2024-02-07 14:53:07,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 53 transitions, 120 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:53:07,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:53:07,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 101 [2024-02-07 14:53:07,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:53:07,839 INFO L124 PetriNetUnfolderBase]: 3741/6450 cut-off events. [2024-02-07 14:53:07,839 INFO L125 PetriNetUnfolderBase]: For 407/407 co-relation queries the response was YES. [2024-02-07 14:53:07,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12687 conditions, 6450 events. 3741/6450 cut-off events. For 407/407 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 47905 event pairs, 1088 based on Foata normal form. 0/3694 useless extension candidates. Maximal degree in co-relation 12683. Up to 4357 conditions per place. [2024-02-07 14:53:07,874 INFO L140 encePairwiseOnDemand]: 92/101 looper letters, 65 selfloop transitions, 3 changer transitions 0/80 dead transitions. [2024-02-07 14:53:07,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 80 transitions, 308 flow [2024-02-07 14:53:07,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:53:07,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:53:07,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 120 transitions. [2024-02-07 14:53:07,876 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39603960396039606 [2024-02-07 14:53:07,876 INFO L175 Difference]: Start difference. First operand has 63 places, 53 transitions, 120 flow. Second operand 3 states and 120 transitions. [2024-02-07 14:53:07,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 80 transitions, 308 flow [2024-02-07 14:53:07,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 80 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 14:53:07,879 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 125 flow [2024-02-07 14:53:07,879 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=125, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-02-07 14:53:07,880 INFO L281 CegarLoopForPetriNet]: 107 programPoint places, -45 predicate places. [2024-02-07 14:53:07,880 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 125 flow [2024-02-07 14:53:07,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:53:07,881 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:53:07,881 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-07 14:53:07,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 14:53:07,881 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 110 more)] === [2024-02-07 14:53:07,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:53:07,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1496427376, now seen corresponding path program 1 times [2024-02-07 14:53:07,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:53:07,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072389633] [2024-02-07 14:53:07,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:53:07,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:53:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:53:07,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:53:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:53:07,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:53:07,949 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:53:07,949 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 113 remaining) [2024-02-07 14:53:07,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 113 remaining) [2024-02-07 14:53:07,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 113 remaining) [2024-02-07 14:53:07,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 113 remaining) [2024-02-07 14:53:07,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 113 remaining) [2024-02-07 14:53:07,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 113 remaining) [2024-02-07 14:53:07,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 113 remaining) [2024-02-07 14:53:07,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 113 remaining) [2024-02-07 14:53:07,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 113 remaining) [2024-02-07 14:53:07,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 113 remaining) [2024-02-07 14:53:07,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 113 remaining) [2024-02-07 14:53:07,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 113 remaining) [2024-02-07 14:53:07,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 113 remaining) [2024-02-07 14:53:07,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 113 remaining) [2024-02-07 14:53:07,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err13ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 113 remaining) [2024-02-07 14:53:07,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err14ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 113 remaining) [2024-02-07 14:53:07,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err15ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 113 remaining) [2024-02-07 14:53:07,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 113 remaining) [2024-02-07 14:53:07,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 113 remaining) [2024-02-07 14:53:07,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 113 remaining) [2024-02-07 14:53:07,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 113 remaining) [2024-02-07 14:53:07,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 113 remaining) [2024-02-07 14:53:07,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 113 remaining) [2024-02-07 14:53:07,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONERROR_FUNCTION (89 of 113 remaining) [2024-02-07 14:53:07,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 113 remaining) [2024-02-07 14:53:07,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 113 remaining) [2024-02-07 14:53:07,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 113 remaining) [2024-02-07 14:53:07,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 113 remaining) [2024-02-07 14:53:07,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 113 remaining) [2024-02-07 14:53:07,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 113 remaining) [2024-02-07 14:53:07,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 113 remaining) [2024-02-07 14:53:07,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 113 remaining) [2024-02-07 14:53:07,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 113 remaining) [2024-02-07 14:53:07,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 113 remaining) [2024-02-07 14:53:07,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 113 remaining) [2024-02-07 14:53:07,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 113 remaining) [2024-02-07 14:53:07,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 113 remaining) [2024-02-07 14:53:07,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 113 remaining) [2024-02-07 14:53:07,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 113 remaining) [2024-02-07 14:53:07,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 113 remaining) [2024-02-07 14:53:07,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 113 remaining) [2024-02-07 14:53:07,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 113 remaining) [2024-02-07 14:53:07,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 113 remaining) [2024-02-07 14:53:07,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 113 remaining) [2024-02-07 14:53:07,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 113 remaining) [2024-02-07 14:53:07,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 113 remaining) [2024-02-07 14:53:07,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 113 remaining) [2024-02-07 14:53:07,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 113 remaining) [2024-02-07 14:53:07,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 113 remaining) [2024-02-07 14:53:07,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 113 remaining) [2024-02-07 14:53:07,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 113 remaining) [2024-02-07 14:53:07,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 113 remaining) [2024-02-07 14:53:07,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 113 remaining) [2024-02-07 14:53:07,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 113 remaining) [2024-02-07 14:53:07,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 113 remaining) [2024-02-07 14:53:07,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 113 remaining) [2024-02-07 14:53:07,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 113 remaining) [2024-02-07 14:53:07,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 113 remaining) [2024-02-07 14:53:07,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 113 remaining) [2024-02-07 14:53:07,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 113 remaining) [2024-02-07 14:53:07,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 113 remaining) [2024-02-07 14:53:07,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 113 remaining) [2024-02-07 14:53:07,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (50 of 113 remaining) [2024-02-07 14:53:07,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 113 remaining) [2024-02-07 14:53:07,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 113 remaining) [2024-02-07 14:53:07,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 113 remaining) [2024-02-07 14:53:07,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 113 remaining) [2024-02-07 14:53:07,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 113 remaining) [2024-02-07 14:53:07,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 113 remaining) [2024-02-07 14:53:07,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 113 remaining) [2024-02-07 14:53:07,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 113 remaining) [2024-02-07 14:53:07,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 113 remaining) [2024-02-07 14:53:07,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 113 remaining) [2024-02-07 14:53:07,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 113 remaining) [2024-02-07 14:53:07,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 113 remaining) [2024-02-07 14:53:07,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 113 remaining) [2024-02-07 14:53:07,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 113 remaining) [2024-02-07 14:53:07,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 113 remaining) [2024-02-07 14:53:07,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 113 remaining) [2024-02-07 14:53:07,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err13ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 113 remaining) [2024-02-07 14:53:07,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err14ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 113 remaining) [2024-02-07 14:53:07,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err15ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 113 remaining) [2024-02-07 14:53:07,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 113 remaining) [2024-02-07 14:53:07,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 113 remaining) [2024-02-07 14:53:07,967 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 113 remaining) [2024-02-07 14:53:07,967 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 113 remaining) [2024-02-07 14:53:07,967 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 113 remaining) [2024-02-07 14:53:07,967 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONERROR_FUNCTION (25 of 113 remaining) [2024-02-07 14:53:07,967 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 113 remaining) [2024-02-07 14:53:07,967 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 113 remaining) [2024-02-07 14:53:07,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 113 remaining) [2024-02-07 14:53:07,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 113 remaining) [2024-02-07 14:53:07,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 113 remaining) [2024-02-07 14:53:07,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 113 remaining) [2024-02-07 14:53:07,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 113 remaining) [2024-02-07 14:53:07,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 113 remaining) [2024-02-07 14:53:07,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 113 remaining) [2024-02-07 14:53:07,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 113 remaining) [2024-02-07 14:53:07,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 113 remaining) [2024-02-07 14:53:07,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 113 remaining) [2024-02-07 14:53:07,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 113 remaining) [2024-02-07 14:53:07,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 113 remaining) [2024-02-07 14:53:07,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 113 remaining) [2024-02-07 14:53:07,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 113 remaining) [2024-02-07 14:53:07,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 113 remaining) [2024-02-07 14:53:07,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 113 remaining) [2024-02-07 14:53:07,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 113 remaining) [2024-02-07 14:53:07,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 113 remaining) [2024-02-07 14:53:07,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 113 remaining) [2024-02-07 14:53:07,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 113 remaining) [2024-02-07 14:53:07,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 113 remaining) [2024-02-07 14:53:07,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 113 remaining) [2024-02-07 14:53:07,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 113 remaining) [2024-02-07 14:53:07,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-07 14:53:07,972 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-02-07 14:53:07,978 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:53:07,978 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:53:08,009 INFO L503 ceAbstractionStarter]: Automizer considered 60 witness invariants [2024-02-07 14:53:08,009 INFO L504 ceAbstractionStarter]: WitnessConsidered=60 [2024-02-07 14:53:08,010 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:53:08 BasicIcfg [2024-02-07 14:53:08,010 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:53:08,010 INFO L158 Benchmark]: Toolchain (without parser) took 8096.17ms. Allocated memory was 144.7MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 104.4MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 922.3MB. Max. memory is 16.1GB. [2024-02-07 14:53:08,010 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:53:08,011 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 144.7MB. Free memory is still 111.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:53:08,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.85ms. Allocated memory is still 144.7MB. Free memory was 104.4MB in the beginning and 57.5MB in the end (delta: 46.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-02-07 14:53:08,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.80ms. Allocated memory is still 144.7MB. Free memory was 57.5MB in the beginning and 54.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:53:08,011 INFO L158 Benchmark]: Boogie Preprocessor took 88.47ms. Allocated memory is still 144.7MB. Free memory was 54.6MB in the beginning and 50.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:53:08,012 INFO L158 Benchmark]: RCFGBuilder took 853.70ms. Allocated memory is still 144.7MB. Free memory was 50.4MB in the beginning and 51.7MB in the end (delta: -1.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-02-07 14:53:08,012 INFO L158 Benchmark]: TraceAbstraction took 6457.96ms. Allocated memory was 144.7MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 51.7MB in the beginning and 1.9GB in the end (delta: -1.9GB). Peak memory consumption was 869.6MB. Max. memory is 16.1GB. [2024-02-07 14:53:08,013 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 144.7MB. Free memory is still 111.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 621.85ms. Allocated memory is still 144.7MB. Free memory was 104.4MB in the beginning and 57.5MB in the end (delta: 46.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.80ms. Allocated memory is still 144.7MB. Free memory was 57.5MB in the beginning and 54.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.47ms. Allocated memory is still 144.7MB. Free memory was 54.6MB in the beginning and 50.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 853.70ms. Allocated memory is still 144.7MB. Free memory was 50.4MB in the beginning and 51.7MB in the end (delta: -1.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6457.96ms. Allocated memory was 144.7MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 51.7MB in the beginning and 1.9GB in the end (delta: -1.9GB). Peak memory consumption was 869.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 776]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L717] 0 _Bool x$flush_delayed; [L718] 0 int x$mem_tmp; [L719] 0 _Bool x$r_buff0_thd0; [L720] 0 _Bool x$r_buff0_thd1; [L721] 0 _Bool x$r_buff0_thd2; [L722] 0 _Bool x$r_buff0_thd3; [L723] 0 _Bool x$r_buff1_thd0; [L724] 0 _Bool x$r_buff1_thd1; [L725] 0 _Bool x$r_buff1_thd2; [L726] 0 _Bool x$r_buff1_thd3; [L727] 0 _Bool x$read_delayed; [L728] 0 int *x$read_delayed_var; [L729] 0 int x$w_buff0; [L730] 0 _Bool x$w_buff0_used; [L731] 0 int x$w_buff1; [L732] 0 _Bool x$w_buff1_used; [L734] 0 int y = 0; [L736] 0 int z = 0; [L737] 0 _Bool weak$$choice0; [L738] 0 _Bool weak$$choice2; [L829] 0 pthread_t t2513; [L830] FCALL, FORK 0 pthread_create(&t2513, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2513={5:0}, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0, z=0] [L831] 0 pthread_t t2514; [L832] FCALL, FORK 0 pthread_create(&t2514, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2513={5:0}, t2514={3:0}, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0, z=0] [L772] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[x$w_buff0]],BinaryExpression[COMPLEQ,IdentifierExpression[x$w_buff0],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0],IntegerLiteral[1]]]]]] [L772] 2 x$w_buff1 = x$w_buff0 [L773] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[x$w_buff1]],BinaryExpression[COMPLEQ,IdentifierExpression[x$w_buff1],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1],IntegerLiteral[1]]]]]] [L773] 2 x$w_buff0 = 1 [L774] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0],IntegerLiteral[1]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] [L774] 2 x$w_buff1_used = x$w_buff0_used [L775] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] [L775] 2 x$w_buff0_used = (_Bool)1 [L776] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0, z=0] - UnprovableResult [Line: 743]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 748]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 749]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 750]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 751]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 752]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 753]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 754]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 755]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 756]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 757]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 758]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 760]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 761]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 765]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 773]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 775]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 779]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 787]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 789]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 791]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 792]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 794]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 795]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 802]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 805]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 808]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 809]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 810]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 837]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 838]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 840]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 841]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 842]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 843]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 844]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 845]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 847]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 848]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 849]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 832]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 830]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 174 locations, 113 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 0 mSDtfsCounter, 201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-07 14:53:08,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE