./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix022_tso.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/mix022_tso.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix022_tso.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix022_tso.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:47:20,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:47:20,181 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:47:20,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:47:20,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:47:20,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:47:20,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:47:20,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:47:20,209 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:47:20,212 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:47:20,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:47:20,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:47:20,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:47:20,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:47:20,215 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:47:20,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:47:20,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:47:20,215 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:47:20,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:47:20,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:47:20,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:47:20,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:47:20,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:47:20,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:47:20,218 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:47:20,218 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:47:20,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:47:20,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:47:20,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:47:20,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:47:20,220 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:47:20,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:47:20,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:47:20,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:47:20,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:47:20,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:47:20,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:47:20,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:47:20,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:47:20,222 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:47:20,222 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:47:20,222 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:47:20,222 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:47:20,223 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:47:20,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:47:20,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:47:20,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:47:20,497 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:47:20,498 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:47:20,499 INFO L431 ainManager$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/mix022_tso.yml/witness.yml [2024-02-07 14:47:20,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:47:20,614 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:47:20,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix022_tso.i [2024-02-07 14:47:21,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:47:21,899 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:47:21,900 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix022_tso.i [2024-02-07 14:47:21,919 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/571e33877/269abb42fac0432fab974ee51a5ef63e/FLAGe09eb75b8 [2024-02-07 14:47:21,932 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/571e33877/269abb42fac0432fab974ee51a5ef63e [2024-02-07 14:47:21,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:47:21,934 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:47:21,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:47:21,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:47:21,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:47:21,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:47:20" (1/2) ... [2024-02-07 14:47:21,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688f892d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:47:21, skipping insertion in model container [2024-02-07 14:47:21,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:47:20" (1/2) ... [2024-02-07 14:47:21,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@480dc6b9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:47:21, skipping insertion in model container [2024-02-07 14:47:21,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:47:21" (2/2) ... [2024-02-07 14:47:21,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688f892d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:21, skipping insertion in model container [2024-02-07 14:47:21,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:47:21" (2/2) ... [2024-02-07 14:47:21,944 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:47:22,098 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:47:22,099 INFO L76 edCorrectnessWitness]: Location invariant before [L748-L748] (x$r_buff1_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:22,099 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:22,099 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] 0 <= __unbuffered_cnt [2024-02-07 14:47:22,100 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] ((((0 <= x) && (x <= 2)) && (x <= 127)) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 14:47:22,100 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:22,100 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] ((((0 <= x$w_buff0) && (x$w_buff0 <= 2)) && (x$w_buff0 <= 127)) && (x$w_buff0 % 2 == 0)) && (x$w_buff0 == 0 || x$w_buff0 == 2) [2024-02-07 14:47:22,100 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] ((((0 <= x) && (x <= 2)) && (x <= 127)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 14:47:22,100 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:47:22,100 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] (((0 <= x) && (x <= 2)) && (x <= 127)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 14:47:22,100 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:22,101 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:47:22,101 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] (((0 <= x) && (x <= 2)) && (x <= 127)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 14:47:22,101 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] x$flush_delayed == (_Bool)0 [2024-02-07 14:47:22,101 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] (x$r_buff1_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:22,101 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1 [2024-02-07 14:47:22,101 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] ((0 <= __unbuffered_p1_EBX) && (__unbuffered_p1_EBX <= 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) [2024-02-07 14:47:22,101 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) && (((x$w_buff1_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1))) [2024-02-07 14:47:22,102 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] ((((0LL - (long long )x$r_buff0_thd0) + (long long )x$w_buff0_used >= 0LL) && ((long long )x$r_buff0_thd0 + (long long )x$w_buff0_used >= 0LL)) && ((0LL - (long long )x$r_buff0_thd0) - (long long )x$w_buff0_used >= 0LL)) && ((long long )x$r_buff0_thd0 - (long long )x$w_buff0_used >= 0LL) [2024-02-07 14:47:22,102 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] (((x$w_buff0_used == (_Bool)1 && ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) || ((x$r_buff0_thd2 == (_Bool)0 && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)))) || ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1))) || (((x$r_buff0_thd2 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:22,102 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] (x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)1) [2024-02-07 14:47:22,102 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:47:22,103 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:22,103 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] (((x$w_buff0_used == (_Bool)1 && ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) || ((x$r_buff0_thd2 == (_Bool)0 && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)))) || ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1))) || (((x$r_buff0_thd2 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:22,103 INFO L76 edCorrectnessWitness]: Location invariant before [L752-L752] 1 <= __unbuffered_cnt [2024-02-07 14:47:22,103 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) && (((x$w_buff1_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1))) [2024-02-07 14:47:22,103 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] (((x$w_buff0_used == (_Bool)1 && ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) || ((x$r_buff0_thd2 == (_Bool)0 && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)))) || ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1))) || (((x$r_buff0_thd2 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:22,103 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:22,103 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] (((x$w_buff0_used == (_Bool)1 && ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) || ((x$r_buff0_thd2 == (_Bool)0 && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)))) || ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1))) || (((x$r_buff0_thd2 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:22,104 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] (x$r_buff1_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:22,104 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:47:22,104 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:47:22,104 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:22,104 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] ((((0 <= __unbuffered_p1_EBX) && (__unbuffered_p1_EBX <= 1)) && (x == 2)) && (__unbuffered_p1_EAX == 2 || (((0 <= __unbuffered_p1_EAX && __unbuffered_p1_EAX <= 2) && __unbuffered_p1_EAX <= 127) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)))) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) [2024-02-07 14:47:22,104 INFO L76 edCorrectnessWitness]: Location invariant before [L746-L746] (x$r_buff1_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:22,104 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] 0 <= __unbuffered_cnt [2024-02-07 14:47:22,105 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:22,105 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:47:22,105 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:47:22,106 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:47:22,106 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] x$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:47:22,106 INFO L76 edCorrectnessWitness]: Location invariant before [L749-L749] x$r_buff1_thd1 == (_Bool)0 [2024-02-07 14:47:22,107 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] (x$w_buff1_used == (_Bool)1 && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) [2024-02-07 14:47:22,107 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] x$flush_delayed == (_Bool)0 [2024-02-07 14:47:22,107 INFO L76 edCorrectnessWitness]: Location invariant before [L751-L751] 0 <= __unbuffered_cnt [2024-02-07 14:47:22,107 INFO L76 edCorrectnessWitness]: Location invariant before [L745-L745] (x$r_buff0_thd1 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:22,107 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (x$r_buff1_thd0 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:22,107 INFO L76 edCorrectnessWitness]: Location invariant before [L747-L747] (x$r_buff0_thd1 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:22,108 INFO L76 edCorrectnessWitness]: Location invariant before [L739-L739] y == 1 [2024-02-07 14:47:22,108 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] (((x$w_buff0_used == (_Bool)1 && ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) || ((x$r_buff0_thd2 == (_Bool)0 && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)))) || ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1))) || (((x$r_buff0_thd2 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:22,108 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] (x$w_buff0 == 2) && (x$w_buff0_used == (_Bool)0 || x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:22,108 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] ((((0 <= x$w_buff1) && (x$w_buff1 <= 2)) && (x$w_buff1 <= 127)) && (x$w_buff1 % 2 == 0)) && (x$w_buff1 == 0 || x$w_buff1 == 2) [2024-02-07 14:47:22,108 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1 [2024-02-07 14:47:22,109 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] (((x$w_buff0_used == (_Bool)1 && ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) || ((x$r_buff0_thd2 == (_Bool)0 && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)))) || ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1))) || (((x$r_buff0_thd2 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:22,109 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] 1 <= __unbuffered_cnt [2024-02-07 14:47:22,109 INFO L76 edCorrectnessWitness]: Location invariant before [L744-L744] (x$r_buff1_thd1 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:22,110 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:47:22,110 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] (((x$w_buff0_used == (_Bool)1 && ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) || ((x$r_buff0_thd2 == (_Bool)0 && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)))) || ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1))) || (((x$r_buff0_thd2 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || ((x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:22,110 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:47:22,110 INFO L76 edCorrectnessWitness]: Location invariant before [L742-L742] x == 1 [2024-02-07 14:47:22,111 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] ((((0 <= x) && (x <= 2)) && (x <= 127)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 14:47:22,111 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1 [2024-02-07 14:47:22,111 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] (x$r_buff1_thd1 == (_Bool)0) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:47:22,111 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:47:22,111 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] x$r_buff0_thd2 == (_Bool)1 [2024-02-07 14:47:22,111 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:22,111 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] (x$r_buff0_thd1 == (_Bool)0) && (x$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:47:22,112 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:47:22,112 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:22,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:47:22,314 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/mix022_tso.i[944,957] [2024-02-07 14:47:22,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:47:22,465 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:47:22,498 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/mix022_tso.i[944,957] 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 Start Parsing Local Start Parsing Local [2024-02-07 14:47:22,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:47:22,639 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:47:22,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:22 WrapperNode [2024-02-07 14:47:22,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:47:22,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:47:22,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:47:22,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:47:22,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:22" (1/1) ... [2024-02-07 14:47:22,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:22" (1/1) ... [2024-02-07 14:47:22,705 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 208 [2024-02-07 14:47:22,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:47:22,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:47:22,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:47:22,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:47:22,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:22" (1/1) ... [2024-02-07 14:47:22,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:22" (1/1) ... [2024-02-07 14:47:22,735 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:22" (1/1) ... [2024-02-07 14:47:22,775 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 14:47:22,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:22" (1/1) ... [2024-02-07 14:47:22,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:22" (1/1) ... [2024-02-07 14:47:22,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:22" (1/1) ... [2024-02-07 14:47:22,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:22" (1/1) ... [2024-02-07 14:47:22,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:22" (1/1) ... [2024-02-07 14:47:22,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:22" (1/1) ... [2024-02-07 14:47:22,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:47:22,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:47:22,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:47:22,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:47:22,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:22" (1/1) ... [2024-02-07 14:47:22,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:47:22,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:47:22,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:47:22,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:47:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:47:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:47:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:47:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:47:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:47:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:47:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:47:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:47:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:47:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:47:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:47:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:47:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:47:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:47:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:47:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:47:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:47:23,016 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:47:23,147 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:47:23,149 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:47:23,542 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:47:23,543 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:47:23,983 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:47:23,984 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:47:23,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:47:23 BoogieIcfgContainer [2024-02-07 14:47:23,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:47:23,987 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:47:23,987 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:47:23,989 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:47:23,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:47:20" (1/4) ... [2024-02-07 14:47:23,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1c1851 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:47:23, skipping insertion in model container [2024-02-07 14:47:23,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:47:21" (2/4) ... [2024-02-07 14:47:23,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1c1851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:47:23, skipping insertion in model container [2024-02-07 14:47:23,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:22" (3/4) ... [2024-02-07 14:47:23,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1c1851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:47:23, skipping insertion in model container [2024-02-07 14:47:23,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:47:23" (4/4) ... [2024-02-07 14:47:23,992 INFO L112 eAbstractionObserver]: Analyzing ICFG mix022_tso.i [2024-02-07 14:47:24,005 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:47:24,006 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2024-02-07 14:47:24,006 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:47:24,108 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:47:24,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 102 transitions, 212 flow [2024-02-07 14:47:24,189 INFO L124 PetriNetUnfolderBase]: 1/100 cut-off events. [2024-02-07 14:47:24,189 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:47:24,193 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 24. Compared 529 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2024-02-07 14:47:24,193 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 102 transitions, 212 flow [2024-02-07 14:47:24,197 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 106 places, 100 transitions, 206 flow [2024-02-07 14:47:24,208 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:47:24,216 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;@1e1144f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:47:24,216 INFO L358 AbstractCegarLoop]: Starting to check reachability of 118 error locations. [2024-02-07 14:47:24,218 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:47:24,218 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:47:24,218 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:47:24,218 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:47:24,218 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:47:24,219 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 115 more)] === [2024-02-07 14:47:24,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:47:24,222 INFO L85 PathProgramCache]: Analyzing trace with hash 24479, now seen corresponding path program 1 times [2024-02-07 14:47:24,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:47:24,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194096987] [2024-02-07 14:47:24,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:47:24,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:47:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:47:24,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:47:24,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:47:24,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194096987] [2024-02-07 14:47:24,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194096987] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:47:24,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:47:24,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:47:24,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892922469] [2024-02-07 14:47:24,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:47:24,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:47:24,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:47:24,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:47:24,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:47:24,545 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 102 [2024-02-07 14:47:24,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 100 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:47:24,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:47:24,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 102 [2024-02-07 14:47:24,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:47:24,769 INFO L124 PetriNetUnfolderBase]: 277/607 cut-off events. [2024-02-07 14:47:24,769 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-07 14:47:24,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1162 conditions, 607 events. 277/607 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3204 event pairs, 145 based on Foata normal form. 10/351 useless extension candidates. Maximal degree in co-relation 1150. Up to 368 conditions per place. [2024-02-07 14:47:24,778 INFO L140 encePairwiseOnDemand]: 66/102 looper letters, 41 selfloop transitions, 2 changer transitions 0/52 dead transitions. [2024-02-07 14:47:24,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 52 transitions, 196 flow [2024-02-07 14:47:24,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:47:24,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:47:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 119 transitions. [2024-02-07 14:47:24,788 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3888888888888889 [2024-02-07 14:47:24,789 INFO L175 Difference]: Start difference. First operand has 106 places, 100 transitions, 206 flow. Second operand 3 states and 119 transitions. [2024-02-07 14:47:24,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 52 transitions, 196 flow [2024-02-07 14:47:24,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 52 transitions, 194 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 14:47:24,796 INFO L231 Difference]: Finished difference. Result has 50 places, 42 transitions, 102 flow [2024-02-07 14:47:24,797 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=47, 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=102, PETRI_PLACES=50, PETRI_TRANSITIONS=42} [2024-02-07 14:47:24,799 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -56 predicate places. [2024-02-07 14:47:24,800 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 42 transitions, 102 flow [2024-02-07 14:47:24,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:47:24,800 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:47:24,800 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:47:24,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:47:24,801 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 115 more)] === [2024-02-07 14:47:24,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:47:24,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1590762084, now seen corresponding path program 1 times [2024-02-07 14:47:24,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:47:24,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628363245] [2024-02-07 14:47:24,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:47:24,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:47:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:47:24,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:47:24,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:47:24,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628363245] [2024-02-07 14:47:24,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628363245] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:47:24,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:47:24,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:47:24,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973968186] [2024-02-07 14:47:24,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:47:24,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:47:24,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:47:24,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:47:24,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:47:24,893 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 102 [2024-02-07 14:47:24,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:47:24,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:47:24,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 102 [2024-02-07 14:47:24,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:47:25,038 INFO L124 PetriNetUnfolderBase]: 235/516 cut-off events. [2024-02-07 14:47:25,039 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-02-07 14:47:25,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1107 conditions, 516 events. 235/516 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2774 event pairs, 203 based on Foata normal form. 0/364 useless extension candidates. Maximal degree in co-relation 1094. Up to 393 conditions per place. [2024-02-07 14:47:25,042 INFO L140 encePairwiseOnDemand]: 98/102 looper letters, 46 selfloop transitions, 2 changer transitions 0/57 dead transitions. [2024-02-07 14:47:25,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 57 transitions, 232 flow [2024-02-07 14:47:25,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:47:25,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:47:25,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2024-02-07 14:47:25,043 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.28104575163398693 [2024-02-07 14:47:25,043 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 102 flow. Second operand 3 states and 86 transitions. [2024-02-07 14:47:25,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 57 transitions, 232 flow [2024-02-07 14:47:25,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 57 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 14:47:25,045 INFO L231 Difference]: Finished difference. Result has 50 places, 41 transitions, 104 flow [2024-02-07 14:47:25,045 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=50, PETRI_TRANSITIONS=41} [2024-02-07 14:47:25,046 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -56 predicate places. [2024-02-07 14:47:25,046 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 41 transitions, 104 flow [2024-02-07 14:47:25,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:47:25,047 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:47:25,047 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:47:25,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:47:25,047 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 115 more)] === [2024-02-07 14:47:25,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:47:25,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1590764158, now seen corresponding path program 1 times [2024-02-07 14:47:25,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:47:25,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849822692] [2024-02-07 14:47:25,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:47:25,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:47:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:47:25,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:47:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:47:25,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:47:25,120 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:47:25,121 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 118 remaining) [2024-02-07 14:47:25,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 118 remaining) [2024-02-07 14:47:25,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 118 remaining) [2024-02-07 14:47:25,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 118 remaining) [2024-02-07 14:47:25,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 118 remaining) [2024-02-07 14:47:25,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 118 remaining) [2024-02-07 14:47:25,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 118 remaining) [2024-02-07 14:47:25,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 118 remaining) [2024-02-07 14:47:25,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 118 remaining) [2024-02-07 14:47:25,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 118 remaining) [2024-02-07 14:47:25,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 118 remaining) [2024-02-07 14:47:25,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 118 remaining) [2024-02-07 14:47:25,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 118 remaining) [2024-02-07 14:47:25,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 118 remaining) [2024-02-07 14:47:25,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 118 remaining) [2024-02-07 14:47:25,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 118 remaining) [2024-02-07 14:47:25,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 118 remaining) [2024-02-07 14:47:25,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONERROR_FUNCTION (100 of 118 remaining) [2024-02-07 14:47:25,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 118 remaining) [2024-02-07 14:47:25,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 118 remaining) [2024-02-07 14:47:25,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 118 remaining) [2024-02-07 14:47:25,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 118 remaining) [2024-02-07 14:47:25,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 118 remaining) [2024-02-07 14:47:25,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 118 remaining) [2024-02-07 14:47:25,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 118 remaining) [2024-02-07 14:47:25,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 118 remaining) [2024-02-07 14:47:25,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 118 remaining) [2024-02-07 14:47:25,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 118 remaining) [2024-02-07 14:47:25,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 118 remaining) [2024-02-07 14:47:25,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 118 remaining) [2024-02-07 14:47:25,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 118 remaining) [2024-02-07 14:47:25,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 118 remaining) [2024-02-07 14:47:25,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 118 remaining) [2024-02-07 14:47:25,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 118 remaining) [2024-02-07 14:47:25,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 118 remaining) [2024-02-07 14:47:25,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 118 remaining) [2024-02-07 14:47:25,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 118 remaining) [2024-02-07 14:47:25,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 118 remaining) [2024-02-07 14:47:25,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 118 remaining) [2024-02-07 14:47:25,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 118 remaining) [2024-02-07 14:47:25,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 118 remaining) [2024-02-07 14:47:25,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 118 remaining) [2024-02-07 14:47:25,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 118 remaining) [2024-02-07 14:47:25,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 118 remaining) [2024-02-07 14:47:25,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 118 remaining) [2024-02-07 14:47:25,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 118 remaining) [2024-02-07 14:47:25,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 118 remaining) [2024-02-07 14:47:25,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 118 remaining) [2024-02-07 14:47:25,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 118 remaining) [2024-02-07 14:47:25,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 118 remaining) [2024-02-07 14:47:25,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 118 remaining) [2024-02-07 14:47:25,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 118 remaining) [2024-02-07 14:47:25,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 118 remaining) [2024-02-07 14:47:25,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 118 remaining) [2024-02-07 14:47:25,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 118 remaining) [2024-02-07 14:47:25,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 118 remaining) [2024-02-07 14:47:25,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 118 remaining) [2024-02-07 14:47:25,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 118 remaining) [2024-02-07 14:47:25,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 118 remaining) [2024-02-07 14:47:25,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 118 remaining) [2024-02-07 14:47:25,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 118 remaining) [2024-02-07 14:47:25,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 118 remaining) [2024-02-07 14:47:25,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 118 remaining) [2024-02-07 14:47:25,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 118 remaining) [2024-02-07 14:47:25,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 118 remaining) [2024-02-07 14:47:25,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 118 remaining) [2024-02-07 14:47:25,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 118 remaining) [2024-02-07 14:47:25,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 118 remaining) [2024-02-07 14:47:25,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 118 remaining) [2024-02-07 14:47:25,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 118 remaining) [2024-02-07 14:47:25,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 118 remaining) [2024-02-07 14:47:25,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (46 of 118 remaining) [2024-02-07 14:47:25,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 118 remaining) [2024-02-07 14:47:25,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 118 remaining) [2024-02-07 14:47:25,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 118 remaining) [2024-02-07 14:47:25,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 118 remaining) [2024-02-07 14:47:25,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 118 remaining) [2024-02-07 14:47:25,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 118 remaining) [2024-02-07 14:47:25,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 118 remaining) [2024-02-07 14:47:25,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 118 remaining) [2024-02-07 14:47:25,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 118 remaining) [2024-02-07 14:47:25,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 118 remaining) [2024-02-07 14:47:25,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 118 remaining) [2024-02-07 14:47:25,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 118 remaining) [2024-02-07 14:47:25,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 118 remaining) [2024-02-07 14:47:25,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 118 remaining) [2024-02-07 14:47:25,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 118 remaining) [2024-02-07 14:47:25,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 118 remaining) [2024-02-07 14:47:25,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 118 remaining) [2024-02-07 14:47:25,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONERROR_FUNCTION (28 of 118 remaining) [2024-02-07 14:47:25,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 118 remaining) [2024-02-07 14:47:25,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 118 remaining) [2024-02-07 14:47:25,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 118 remaining) [2024-02-07 14:47:25,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 118 remaining) [2024-02-07 14:47:25,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 118 remaining) [2024-02-07 14:47:25,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 118 remaining) [2024-02-07 14:47:25,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 118 remaining) [2024-02-07 14:47:25,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 118 remaining) [2024-02-07 14:47:25,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 118 remaining) [2024-02-07 14:47:25,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 118 remaining) [2024-02-07 14:47:25,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 118 remaining) [2024-02-07 14:47:25,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 118 remaining) [2024-02-07 14:47:25,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 118 remaining) [2024-02-07 14:47:25,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 118 remaining) [2024-02-07 14:47:25,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 118 remaining) [2024-02-07 14:47:25,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 118 remaining) [2024-02-07 14:47:25,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 118 remaining) [2024-02-07 14:47:25,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 118 remaining) [2024-02-07 14:47:25,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 118 remaining) [2024-02-07 14:47:25,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 118 remaining) [2024-02-07 14:47:25,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 118 remaining) [2024-02-07 14:47:25,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 118 remaining) [2024-02-07 14:47:25,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 118 remaining) [2024-02-07 14:47:25,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 118 remaining) [2024-02-07 14:47:25,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 118 remaining) [2024-02-07 14:47:25,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 118 remaining) [2024-02-07 14:47:25,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 118 remaining) [2024-02-07 14:47:25,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 118 remaining) [2024-02-07 14:47:25,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 14:47:25,144 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-02-07 14:47:25,150 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:47:25,150 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:47:25,168 INFO L503 ceAbstractionStarter]: Automizer considered 69 witness invariants [2024-02-07 14:47:25,169 INFO L504 ceAbstractionStarter]: WitnessConsidered=69 [2024-02-07 14:47:25,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:47:25 BasicIcfg [2024-02-07 14:47:25,169 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:47:25,170 INFO L158 Benchmark]: Toolchain (without parser) took 3235.75ms. Allocated memory was 157.3MB in the beginning and 278.9MB in the end (delta: 121.6MB). Free memory was 105.1MB in the beginning and 168.1MB in the end (delta: -63.0MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-02-07 14:47:25,170 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:47:25,170 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:47:25,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 703.45ms. Allocated memory is still 157.3MB. Free memory was 105.1MB in the beginning and 94.9MB in the end (delta: 10.2MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-02-07 14:47:25,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.23ms. Allocated memory is still 157.3MB. Free memory was 94.9MB in the beginning and 89.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:47:25,171 INFO L158 Benchmark]: Boogie Preprocessor took 142.54ms. Allocated memory is still 157.3MB. Free memory was 89.8MB in the beginning and 119.1MB in the end (delta: -29.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-02-07 14:47:25,171 INFO L158 Benchmark]: RCFGBuilder took 1130.43ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 119.1MB in the beginning and 82.8MB in the end (delta: 36.3MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. [2024-02-07 14:47:25,172 INFO L158 Benchmark]: TraceAbstraction took 1182.52ms. Allocated memory was 207.6MB in the beginning and 278.9MB in the end (delta: 71.3MB). Free memory was 82.8MB in the beginning and 168.1MB in the end (delta: -85.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:47:25,173 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 703.45ms. Allocated memory is still 157.3MB. Free memory was 105.1MB in the beginning and 94.9MB in the end (delta: 10.2MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.23ms. Allocated memory is still 157.3MB. Free memory was 94.9MB in the beginning and 89.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 142.54ms. Allocated memory is still 157.3MB. Free memory was 89.8MB in the beginning and 119.1MB in the end (delta: -29.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1130.43ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 119.1MB in the beginning and 82.8MB in the end (delta: 36.3MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1182.52ms. Allocated memory was 207.6MB in the beginning and 278.9MB in the end (delta: 71.3MB). Free memory was 82.8MB in the beginning and 168.1MB in the end (delta: -85.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 762]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L717] 0 _Bool x$flush_delayed; [L718] 0 int x$mem_tmp; [L719] 0 _Bool x$r_buff0_thd0; [L720] 0 _Bool x$r_buff0_thd1; [L721] 0 _Bool x$r_buff0_thd2; [L722] 0 _Bool x$r_buff1_thd0; [L723] 0 _Bool x$r_buff1_thd1; [L724] 0 _Bool x$r_buff1_thd2; [L725] 0 _Bool x$read_delayed; [L726] 0 int *x$read_delayed_var; [L727] 0 int x$w_buff0; [L728] 0 _Bool x$w_buff0_used; [L729] 0 int x$w_buff1; [L730] 0 _Bool x$w_buff1_used; [L732] 0 int y = 0; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L810] 0 pthread_t t597; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t597={5:0}, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L811] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[x$r_buff0_thd0]]],CastExpression[ACSLType[long long],IdentifierExpression[x$w_buff0_used]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[x$r_buff0_thd0]],CastExpression[ACSLType[long long],IdentifierExpression[x$w_buff0_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[x$r_buff0_thd0]]],CastExpression[ACSLType[long long],IdentifierExpression[x$w_buff0_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[x$r_buff0_thd0]],CastExpression[ACSLType[long long],IdentifierExpression[x$w_buff0_used]]],IntegerLiteral[0LL]]]]] [L811] FCALL, FORK 0 pthread_create(&t597, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t597={5:0}, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L812] 0 pthread_t t598; [L813] FCALL, FORK 0 pthread_create(&t598, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t597={5:0}, t598={3:0}, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L758] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[x$w_buff0]],BinaryExpression[COMPLEQ,IdentifierExpression[x$w_buff0],IntegerLiteral[2]]],BinaryExpression[COMPLEQ,IdentifierExpression[x$w_buff0],IntegerLiteral[127]]],BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[x$w_buff0],IntegerLiteral[2]],IntegerLiteral[0]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0],IntegerLiteral[2]]]]]] [L758] 2 x$w_buff1 = x$w_buff0 [L759] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[x$w_buff1]],BinaryExpression[COMPLEQ,IdentifierExpression[x$w_buff1],IntegerLiteral[2]]],BinaryExpression[COMPLEQ,IdentifierExpression[x$w_buff1],IntegerLiteral[127]]],BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[x$w_buff1],IntegerLiteral[2]],IntegerLiteral[0]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1],IntegerLiteral[2]]]]]] [L759] 2 x$w_buff0 = 2 [L760] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0],IntegerLiteral[2]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] [L760] 2 x$w_buff1_used = x$w_buff0_used [L761] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] [L761] 2 x$w_buff0_used = (_Bool)1 [L762] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] - UnprovableResult [Line: 739]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 742]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 745]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - 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: 747]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 748]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 749]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 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: 18]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: 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: 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: 766]: 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: 770]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 771]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 773]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 775]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 776]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 779]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 783]: 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: 788]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 789]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 791]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 792]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 793]: 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: 811]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 819]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 820]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 821]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 822]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 823]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 824]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 827]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 828]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 829]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 830]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 831]: 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: 833]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 835]: 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: 839]: 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: 18]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: 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: 811]: 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: 813]: 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, 164 locations, 118 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: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 0 mSDtfsCounter, 112 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, 0.3s 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 14:47:25,216 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