./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix009.opt.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/mix009.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec 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/mix009.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix009.opt.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-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:24:25,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:24:25,977 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:24:25,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:24:25,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:24:26,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:24:26,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:24:26,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:24:26,024 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:24:26,029 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:24:26,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:24:26,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:24:26,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:24:26,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:24:26,032 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:24:26,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:24:26,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:24:26,033 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:24:26,034 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:24:26,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:24:26,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:24:26,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:24:26,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:24:26,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:24:26,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:24:26,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:24:26,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:24:26,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:24:26,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:24:26,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:24:26,039 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:24:26,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:24:26,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:24:26,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:24:26,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:24:26,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:24:26,040 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:24:26,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:24:26,041 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:24:26,050 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:24:26,050 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:24:26,051 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:24:26,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:24:26,051 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:24:26,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:24:26,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:24:26,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:24:26,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:24:26,339 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:24:26,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix009.opt.i [2024-02-07 19:24:27,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:24:27,794 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:24:27,795 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix009.opt.i [2024-02-07 19:24:27,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/329e72e18/65d60e575e474643b8354c344bf9ecf8/FLAGe58e18886 [2024-02-07 19:24:27,815 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/329e72e18/65d60e575e474643b8354c344bf9ecf8 [2024-02-07 19:24:27,818 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:24:27,818 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:24:27,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix009.opt.yml/witness.yml [2024-02-07 19:24:27,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:24:27,956 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:24:27,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:24:27,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:24:27,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:24:27,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:24:27" (1/2) ... [2024-02-07 19:24:27,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788f23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:27, skipping insertion in model container [2024-02-07 19:24:27,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:24:27" (1/2) ... [2024-02-07 19:24:27,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ecb0cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:27, skipping insertion in model container [2024-02-07 19:24:27,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:24:27" (2/2) ... [2024-02-07 19:24:27,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788f23c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:24:27, skipping insertion in model container [2024-02-07 19:24:27,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:24:27" (2/2) ... [2024-02-07 19:24:27,965 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:24:28,098 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:24:28,099 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:24:28,100 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:24:28,100 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1))) [2024-02-07 19:24:28,100 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] ((((y$r_buff1_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd1 == (_Bool)0) || (((y$r_buff0_thd1 == (_Bool)0 && y$r_buff1_thd1 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:28,100 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:24:28,101 INFO L76 edCorrectnessWitness]: Location invariant before [L755-L755] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:24:28,101 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] (y$r_buff1_thd0 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:24:28,101 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1 [2024-02-07 19:24:28,101 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:24:28,101 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1 [2024-02-07 19:24:28,101 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] ((((y$r_buff1_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd1 == (_Bool)0) || (((y$r_buff0_thd1 == (_Bool)0 && y$r_buff1_thd1 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:28,101 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:24:28,102 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1))) [2024-02-07 19:24:28,102 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:24:28,102 INFO L76 edCorrectnessWitness]: Location invariant before [L749-L749] x == 1 [2024-02-07 19:24:28,102 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] y$flush_delayed == (_Bool)0 [2024-02-07 19:24:28,102 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:28,102 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:24:28,103 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] ((((y$r_buff1_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd1 == (_Bool)0) || (((y$r_buff0_thd1 == (_Bool)0 && y$r_buff1_thd1 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:28,103 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:24:28,103 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] (y$w_buff1_used == (_Bool)1 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1)) [2024-02-07 19:24:28,103 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:24:28,103 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] ((((0LL - (long long )y$r_buff0_thd2) + (long long )y$w_buff0_used >= 0LL) && ((long long )y$r_buff0_thd2 + (long long )y$w_buff0_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff0_used >= 0LL) [2024-02-07 19:24:28,104 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] ((0 <= __unbuffered_p1_EBX) && (__unbuffered_p1_EBX <= 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) [2024-02-07 19:24:28,104 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:24:28,104 INFO L76 edCorrectnessWitness]: Location invariant before [L746-L746] z == 1 [2024-02-07 19:24:28,104 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] (y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)1) [2024-02-07 19:24:28,104 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:28,104 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] ((((y$r_buff1_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd1 == (_Bool)0) || (((y$r_buff0_thd1 == (_Bool)0 && y$r_buff1_thd1 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:28,104 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] ((((y$r_buff1_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd1 == (_Bool)0) || (((y$r_buff0_thd1 == (_Bool)0 && y$r_buff1_thd1 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:28,105 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1) [2024-02-07 19:24:28,105 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:24:28,105 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:24:28,105 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] (((y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1) && ((((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1)) || ((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1)) [2024-02-07 19:24:28,105 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:28,105 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] ((0 <= y$w_buff1) && (y$w_buff1 <= 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-02-07 19:24:28,106 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:24:28,106 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:24:28,107 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] y$flush_delayed == (_Bool)0 [2024-02-07 19:24:28,107 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] (((0 <= y) && (y <= 1)) && (y$r_buff1_thd1 == (_Bool)0)) && (y == 0 || y == 1) [2024-02-07 19:24:28,107 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1) [2024-02-07 19:24:28,107 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] (y$r_buff1_thd1 == (_Bool)0) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:24:28,107 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:24:28,107 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:28,108 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] 1 <= __unbuffered_cnt [2024-02-07 19:24:28,108 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:24:28,108 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:24:28,108 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:24:28,108 INFO L76 edCorrectnessWitness]: Location invariant before [L752-L752] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 19:24:28,108 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] 0 <= __unbuffered_cnt [2024-02-07 19:24:28,109 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] (y$w_buff0 == 1) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 19:24:28,109 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:28,109 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 19:24:28,109 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] 1 <= __unbuffered_cnt [2024-02-07 19:24:28,109 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] ((((0 <= __unbuffered_p1_EBX) && (__unbuffered_p1_EBX <= 1)) && (__unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && ((__unbuffered_p0_EBX == 0 && (__unbuffered_p1_EAX == 1 || ((0 <= __unbuffered_p1_EAX && __unbuffered_p1_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)))) || (((((0 <= __unbuffered_p0_EBX && 0 <= __unbuffered_p1_EAX) && __unbuffered_p0_EBX <= 1) && __unbuffered_p1_EAX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1))) [2024-02-07 19:24:28,110 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:24:28,110 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:28,111 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] ((0 <= y$w_buff0) && (y$w_buff0 <= 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1) [2024-02-07 19:24:28,111 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] 0 <= __unbuffered_cnt [2024-02-07 19:24:28,111 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:24:28,111 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] 0 <= __unbuffered_cnt [2024-02-07 19:24:28,111 INFO L76 edCorrectnessWitness]: Location invariant before [L751-L751] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:24:28,111 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] ((((y$r_buff1_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd1 == (_Bool)0) || (((y$r_buff0_thd1 == (_Bool)0 && y$r_buff1_thd1 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:28,111 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1) [2024-02-07 19:24:28,112 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] (((((-2LL + (long long )y$r_buff0_thd2) + (long long )y$w_buff0_used >= 0LL) && ((0LL - (long long )y$r_buff0_thd2) + (long long )y$w_buff0_used >= 0LL)) && ((2LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff0_used >= 0LL)) && (y$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:24:28,112 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] ((((y$r_buff1_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd1 == (_Bool)0) || (((y$r_buff0_thd1 == (_Bool)0 && y$r_buff1_thd1 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:28,152 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:24:28,300 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/mix009.opt.i[987,1000] [2024-02-07 19:24:28,475 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:24:28,494 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:24:28,531 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/mix009.opt.i[987,1000] 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:24:28,694 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:24:28,730 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:24:28,731 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:24:28 WrapperNode [2024-02-07 19:24:28,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:24:28,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:24:28,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:24:28,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:24:28,737 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 07:24:28" (1/1) ... [2024-02-07 19:24:28,753 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 07:24:28" (1/1) ... [2024-02-07 19:24:28,787 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 183 [2024-02-07 19:24:28,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:24:28,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:24:28,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:24:28,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:24:28,804 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 07:24:28" (1/1) ... [2024-02-07 19:24:28,805 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 07:24:28" (1/1) ... [2024-02-07 19:24:28,814 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 07:24:28" (1/1) ... [2024-02-07 19:24:28,829 INFO L175 MemorySlicer]: Split 4 memory accesses to 3 slices as follows [2, 1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-02-07 19:24:28,830 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 07:24:28" (1/1) ... [2024-02-07 19:24:28,830 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 07:24:28" (1/1) ... [2024-02-07 19:24:28,840 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 07:24:28" (1/1) ... [2024-02-07 19:24:28,857 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 07:24:28" (1/1) ... [2024-02-07 19:24:28,860 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 07:24:28" (1/1) ... [2024-02-07 19:24:28,861 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 07:24:28" (1/1) ... [2024-02-07 19:24:28,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:24:28,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:24:28,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:24:28,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:24:28,866 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 07:24:28" (1/1) ... [2024-02-07 19:24:28,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:24:28,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:24:28,902 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 19:24:28,921 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 19:24:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:24:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:24:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:24:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:24:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:24:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:24:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:24:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:24:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:24:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:24:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:24:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:24:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:24:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:24:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:24:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:24:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:24:28,937 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 19:24:29,075 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:24:29,076 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:24:29,500 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:24:29,501 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:24:29,918 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:24:29,918 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:24:29,919 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:24:29 BoogieIcfgContainer [2024-02-07 19:24:29,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:24:29,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:24:29,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:24:29,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:24:29,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:24:27" (1/4) ... [2024-02-07 19:24:29,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d82d476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:24:29, skipping insertion in model container [2024-02-07 19:24:29,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:24:27" (2/4) ... [2024-02-07 19:24:29,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d82d476 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:24:29, skipping insertion in model container [2024-02-07 19:24:29,926 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 07:24:28" (3/4) ... [2024-02-07 19:24:29,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d82d476 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:24:29, skipping insertion in model container [2024-02-07 19:24:29,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:24:29" (4/4) ... [2024-02-07 19:24:29,930 INFO L112 eAbstractionObserver]: Analyzing ICFG mix009.opt.i [2024-02-07 19:24:29,945 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:24:29,945 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 69 error locations. [2024-02-07 19:24:29,945 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:24:30,061 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:24:30,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 102 transitions, 212 flow [2024-02-07 19:24:30,138 INFO L124 PetriNetUnfolderBase]: 1/100 cut-off events. [2024-02-07 19:24:30,138 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:24:30,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 100 events. 1/100 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 553 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2024-02-07 19:24:30,142 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 102 transitions, 212 flow [2024-02-07 19:24:30,146 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 106 places, 100 transitions, 206 flow [2024-02-07 19:24:30,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:24:30,166 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;@5f67924b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:24:30,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2024-02-07 19:24:30,167 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:24:30,168 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:24:30,168 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:24:30,168 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:24:30,168 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:24:30,169 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 122 more)] === [2024-02-07 19:24:30,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:24:30,173 INFO L85 PathProgramCache]: Analyzing trace with hash 23433, now seen corresponding path program 1 times [2024-02-07 19:24:30,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:24:30,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470372678] [2024-02-07 19:24:30,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:24:30,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:24:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:24:30,503 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 19:24:30,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:24:30,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470372678] [2024-02-07 19:24:30,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470372678] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:24:30,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:24:30,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:24:30,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964505041] [2024-02-07 19:24:30,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:24:30,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:24:30,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:24:30,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:24:30,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:24:30,545 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 102 [2024-02-07 19:24:30,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 100 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 19:24:30,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:24:30,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 102 [2024-02-07 19:24:30,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:24:30,875 INFO L124 PetriNetUnfolderBase]: 544/1076 cut-off events. [2024-02-07 19:24:30,880 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-02-07 19:24:30,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2075 conditions, 1076 events. 544/1076 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 6229 event pairs, 285 based on Foata normal form. 15/609 useless extension candidates. Maximal degree in co-relation 2063. Up to 505 conditions per place. [2024-02-07 19:24:30,891 INFO L140 encePairwiseOnDemand]: 68/102 looper letters, 50 selfloop transitions, 2 changer transitions 0/62 dead transitions. [2024-02-07 19:24:30,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 62 transitions, 234 flow [2024-02-07 19:24:30,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:24:30,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:24:30,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 135 transitions. [2024-02-07 19:24:30,903 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4411764705882353 [2024-02-07 19:24:30,904 INFO L175 Difference]: Start difference. First operand has 106 places, 100 transitions, 206 flow. Second operand 3 states and 135 transitions. [2024-02-07 19:24:30,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 62 transitions, 234 flow [2024-02-07 19:24:30,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 62 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 19:24:30,910 INFO L231 Difference]: Finished difference. Result has 51 places, 43 transitions, 102 flow [2024-02-07 19:24:30,911 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=51, PETRI_TRANSITIONS=43} [2024-02-07 19:24:30,914 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -55 predicate places. [2024-02-07 19:24:30,914 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 43 transitions, 102 flow [2024-02-07 19:24:30,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 19:24:30,914 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:24:30,915 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:24:30,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:24:30,915 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 122 more)] === [2024-02-07 19:24:30,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:24:30,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1681229206, now seen corresponding path program 1 times [2024-02-07 19:24:30,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:24:30,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748080374] [2024-02-07 19:24:30,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:24:30,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:24:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:24:30,949 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 19:24:30,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:24:30,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748080374] [2024-02-07 19:24:30,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748080374] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:24:30,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:24:30,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:24:30,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125172682] [2024-02-07 19:24:30,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:24:30,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:24:30,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:24:30,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:24:30,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:24:30,952 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 102 [2024-02-07 19:24:30,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 43 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 19:24:30,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:24:30,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 102 [2024-02-07 19:24:30,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:24:31,079 INFO L124 PetriNetUnfolderBase]: 448/904 cut-off events. [2024-02-07 19:24:31,079 INFO L125 PetriNetUnfolderBase]: For 95/95 co-relation queries the response was YES. [2024-02-07 19:24:31,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1943 conditions, 904 events. 448/904 cut-off events. For 95/95 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5292 event pairs, 374 based on Foata normal form. 0/639 useless extension candidates. Maximal degree in co-relation 1930. Up to 671 conditions per place. [2024-02-07 19:24:31,084 INFO L140 encePairwiseOnDemand]: 98/102 looper letters, 45 selfloop transitions, 2 changer transitions 0/57 dead transitions. [2024-02-07 19:24:31,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 57 transitions, 233 flow [2024-02-07 19:24:31,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:24:31,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:24:31,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 88 transitions. [2024-02-07 19:24:31,085 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2875816993464052 [2024-02-07 19:24:31,085 INFO L175 Difference]: Start difference. First operand has 51 places, 43 transitions, 102 flow. Second operand 3 states and 88 transitions. [2024-02-07 19:24:31,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 57 transitions, 233 flow [2024-02-07 19:24:31,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 57 transitions, 227 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 19:24:31,087 INFO L231 Difference]: Finished difference. Result has 51 places, 42 transitions, 104 flow [2024-02-07 19:24:31,087 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=51, PETRI_TRANSITIONS=42} [2024-02-07 19:24:31,088 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -55 predicate places. [2024-02-07 19:24:31,088 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 42 transitions, 104 flow [2024-02-07 19:24:31,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 19:24:31,088 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:24:31,088 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:24:31,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:24:31,089 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 122 more)] === [2024-02-07 19:24:31,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:24:31,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1681233194, now seen corresponding path program 1 times [2024-02-07 19:24:31,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:24:31,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820561315] [2024-02-07 19:24:31,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:24:31,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:24:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:24:31,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:24:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:24:31,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:24:31,127 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:24:31,127 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 125 remaining) [2024-02-07 19:24:31,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 125 remaining) [2024-02-07 19:24:31,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 125 remaining) [2024-02-07 19:24:31,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 125 remaining) [2024-02-07 19:24:31,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 125 remaining) [2024-02-07 19:24:31,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 125 remaining) [2024-02-07 19:24:31,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 125 remaining) [2024-02-07 19:24:31,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 125 remaining) [2024-02-07 19:24:31,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 125 remaining) [2024-02-07 19:24:31,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 125 remaining) [2024-02-07 19:24:31,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 125 remaining) [2024-02-07 19:24:31,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 125 remaining) [2024-02-07 19:24:31,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 125 remaining) [2024-02-07 19:24:31,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 125 remaining) [2024-02-07 19:24:31,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err13ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 125 remaining) [2024-02-07 19:24:31,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err14ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 125 remaining) [2024-02-07 19:24:31,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err15ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 125 remaining) [2024-02-07 19:24:31,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err16ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 125 remaining) [2024-02-07 19:24:31,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err17ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 125 remaining) [2024-02-07 19:24:31,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err18ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 125 remaining) [2024-02-07 19:24:31,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 125 remaining) [2024-02-07 19:24:31,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 125 remaining) [2024-02-07 19:24:31,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 125 remaining) [2024-02-07 19:24:31,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 125 remaining) [2024-02-07 19:24:31,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 125 remaining) [2024-02-07 19:24:31,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 125 remaining) [2024-02-07 19:24:31,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONERROR_FUNCTION (98 of 125 remaining) [2024-02-07 19:24:31,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 125 remaining) [2024-02-07 19:24:31,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 125 remaining) [2024-02-07 19:24:31,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 125 remaining) [2024-02-07 19:24:31,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 125 remaining) [2024-02-07 19:24:31,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 125 remaining) [2024-02-07 19:24:31,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 125 remaining) [2024-02-07 19:24:31,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 125 remaining) [2024-02-07 19:24:31,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 125 remaining) [2024-02-07 19:24:31,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 125 remaining) [2024-02-07 19:24:31,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 125 remaining) [2024-02-07 19:24:31,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 125 remaining) [2024-02-07 19:24:31,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 125 remaining) [2024-02-07 19:24:31,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 125 remaining) [2024-02-07 19:24:31,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 125 remaining) [2024-02-07 19:24:31,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 125 remaining) [2024-02-07 19:24:31,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 125 remaining) [2024-02-07 19:24:31,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 125 remaining) [2024-02-07 19:24:31,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 125 remaining) [2024-02-07 19:24:31,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 125 remaining) [2024-02-07 19:24:31,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 125 remaining) [2024-02-07 19:24:31,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 125 remaining) [2024-02-07 19:24:31,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 125 remaining) [2024-02-07 19:24:31,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 125 remaining) [2024-02-07 19:24:31,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 125 remaining) [2024-02-07 19:24:31,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 125 remaining) [2024-02-07 19:24:31,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 125 remaining) [2024-02-07 19:24:31,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 125 remaining) [2024-02-07 19:24:31,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 125 remaining) [2024-02-07 19:24:31,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 125 remaining) [2024-02-07 19:24:31,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 125 remaining) [2024-02-07 19:24:31,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 125 remaining) [2024-02-07 19:24:31,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 125 remaining) [2024-02-07 19:24:31,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 125 remaining) [2024-02-07 19:24:31,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 125 remaining) [2024-02-07 19:24:31,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 125 remaining) [2024-02-07 19:24:31,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 125 remaining) [2024-02-07 19:24:31,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 125 remaining) [2024-02-07 19:24:31,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 125 remaining) [2024-02-07 19:24:31,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 125 remaining) [2024-02-07 19:24:31,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 125 remaining) [2024-02-07 19:24:31,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 125 remaining) [2024-02-07 19:24:31,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 125 remaining) [2024-02-07 19:24:31,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (55 of 125 remaining) [2024-02-07 19:24:31,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 125 remaining) [2024-02-07 19:24:31,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 125 remaining) [2024-02-07 19:24:31,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 125 remaining) [2024-02-07 19:24:31,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 125 remaining) [2024-02-07 19:24:31,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 125 remaining) [2024-02-07 19:24:31,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 125 remaining) [2024-02-07 19:24:31,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 125 remaining) [2024-02-07 19:24:31,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 125 remaining) [2024-02-07 19:24:31,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 125 remaining) [2024-02-07 19:24:31,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 125 remaining) [2024-02-07 19:24:31,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 125 remaining) [2024-02-07 19:24:31,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 125 remaining) [2024-02-07 19:24:31,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 125 remaining) [2024-02-07 19:24:31,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 125 remaining) [2024-02-07 19:24:31,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 125 remaining) [2024-02-07 19:24:31,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err13ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 125 remaining) [2024-02-07 19:24:31,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err14ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 125 remaining) [2024-02-07 19:24:31,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err15ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 125 remaining) [2024-02-07 19:24:31,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err16ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 125 remaining) [2024-02-07 19:24:31,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err17ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 125 remaining) [2024-02-07 19:24:31,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err18ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 125 remaining) [2024-02-07 19:24:31,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 125 remaining) [2024-02-07 19:24:31,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 125 remaining) [2024-02-07 19:24:31,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 125 remaining) [2024-02-07 19:24:31,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 125 remaining) [2024-02-07 19:24:31,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 125 remaining) [2024-02-07 19:24:31,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONERROR_FUNCTION (28 of 125 remaining) [2024-02-07 19:24:31,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 125 remaining) [2024-02-07 19:24:31,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 125 remaining) [2024-02-07 19:24:31,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 125 remaining) [2024-02-07 19:24:31,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 125 remaining) [2024-02-07 19:24:31,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 125 remaining) [2024-02-07 19:24:31,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 125 remaining) [2024-02-07 19:24:31,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 125 remaining) [2024-02-07 19:24:31,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 125 remaining) [2024-02-07 19:24:31,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 125 remaining) [2024-02-07 19:24:31,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 125 remaining) [2024-02-07 19:24:31,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 125 remaining) [2024-02-07 19:24:31,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 125 remaining) [2024-02-07 19:24:31,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 125 remaining) [2024-02-07 19:24:31,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 125 remaining) [2024-02-07 19:24:31,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 125 remaining) [2024-02-07 19:24:31,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 125 remaining) [2024-02-07 19:24:31,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 125 remaining) [2024-02-07 19:24:31,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 125 remaining) [2024-02-07 19:24:31,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 125 remaining) [2024-02-07 19:24:31,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 125 remaining) [2024-02-07 19:24:31,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 125 remaining) [2024-02-07 19:24:31,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 125 remaining) [2024-02-07 19:24:31,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 125 remaining) [2024-02-07 19:24:31,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 125 remaining) [2024-02-07 19:24:31,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 125 remaining) [2024-02-07 19:24:31,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 125 remaining) [2024-02-07 19:24:31,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 125 remaining) [2024-02-07 19:24:31,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 125 remaining) [2024-02-07 19:24:31,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 19:24:31,149 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-02-07 19:24:31,154 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:24:31,154 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:24:31,196 INFO L503 ceAbstractionStarter]: Automizer considered 67 witness invariants [2024-02-07 19:24:31,196 INFO L504 ceAbstractionStarter]: WitnessConsidered=67 [2024-02-07 19:24:31,197 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:24:31 BasicIcfg [2024-02-07 19:24:31,197 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:24:31,197 INFO L158 Benchmark]: Toolchain (without parser) took 3241.83ms. Allocated memory was 161.5MB in the beginning and 308.3MB in the end (delta: 146.8MB). Free memory was 97.3MB in the beginning and 263.4MB in the end (delta: -166.1MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. [2024-02-07 19:24:31,198 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 161.5MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:24:31,198 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 161.5MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:24:31,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 774.07ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 97.1MB in the beginning and 175.4MB in the end (delta: -78.3MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2024-02-07 19:24:31,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.35ms. Allocated memory is still 218.1MB. Free memory was 175.4MB in the beginning and 171.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:24:31,199 INFO L158 Benchmark]: Boogie Preprocessor took 69.21ms. Allocated memory is still 218.1MB. Free memory was 171.2MB in the beginning and 165.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:24:31,199 INFO L158 Benchmark]: RCFGBuilder took 1054.38ms. Allocated memory is still 218.1MB. Free memory was 165.9MB in the beginning and 71.4MB in the end (delta: 94.5MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2024-02-07 19:24:31,199 INFO L158 Benchmark]: TraceAbstraction took 1275.38ms. Allocated memory was 218.1MB in the beginning and 308.3MB in the end (delta: 90.2MB). Free memory was 70.4MB in the beginning and 263.4MB in the end (delta: -193.0MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-02-07 19:24:31,200 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 161.5MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 161.5MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 774.07ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 97.1MB in the beginning and 175.4MB in the end (delta: -78.3MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.35ms. Allocated memory is still 218.1MB. Free memory was 175.4MB in the beginning and 171.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.21ms. Allocated memory is still 218.1MB. Free memory was 171.2MB in the beginning and 165.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1054.38ms. Allocated memory is still 218.1MB. Free memory was 165.9MB in the beginning and 71.4MB in the end (delta: 94.5MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1275.38ms. Allocated memory was 218.1MB in the beginning and 308.3MB in the end (delta: 90.2MB). Free memory was 70.4MB in the beginning and 263.4MB in the end (delta: -193.0MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 783]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p0_EBX = 0; [L715] 0 int __unbuffered_p1_EAX = 0; [L717] 0 int __unbuffered_p1_EBX = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L723] 0 int y = 0; [L724] 0 _Bool y$flush_delayed; [L725] 0 int y$mem_tmp; [L726] 0 _Bool y$r_buff0_thd0; [L727] 0 _Bool y$r_buff0_thd1; [L728] 0 _Bool y$r_buff0_thd2; [L729] 0 _Bool y$r_buff1_thd0; [L730] 0 _Bool y$r_buff1_thd1; [L731] 0 _Bool y$r_buff1_thd2; [L732] 0 _Bool y$read_delayed; [L733] 0 int *y$read_delayed_var; [L734] 0 int y$w_buff0; [L735] 0 _Bool y$w_buff0_used; [L736] 0 int y$w_buff1; [L737] 0 _Bool y$w_buff1_used; [L739] 0 int z = 0; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L831] 0 pthread_t t243; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t243={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L832] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[y$r_buff0_thd2]]],CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff0_used]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[y$r_buff0_thd2]],CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff0_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[y$r_buff0_thd2]]],CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff0_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[y$r_buff0_thd2]],CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff0_used]]],IntegerLiteral[0LL]]]]] [L832] FCALL, FORK 0 pthread_create(&t243, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t243={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L833] 0 pthread_t t244; [L834] FCALL, FORK 0 pthread_create(&t244, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t243={5:0}, t244={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L779] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[y$w_buff0]],BinaryExpression[COMPLEQ,IdentifierExpression[y$w_buff0],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff0],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff0],IntegerLiteral[1]]]]]] [L779] 2 y$w_buff1 = y$w_buff0 [L780] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[y$w_buff1]],BinaryExpression[COMPLEQ,IdentifierExpression[y$w_buff1],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff1],IntegerLiteral[1]]]]]] [L780] 2 y$w_buff0 = 1 [L781] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff0],IntegerLiteral[1]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] [L781] 2 y$w_buff1_used = y$w_buff0_used [L782] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] [L782] 2 y$w_buff0_used = (_Bool)1 [L783] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]],BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] - UnprovableResult [Line: 746]: 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: 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: 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: 759]: 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: 762]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 764]: 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: 767]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 768]: 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: 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: 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: 784]: 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: 786]: 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: 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: 793]: 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: 796]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 797]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 800]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 801]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 803]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 804]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 806]: 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: 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: 813]: 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: 816]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 832]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 175 locations, 125 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: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 0 mSDtfsCounter, 111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 19:24:31,229 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