./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix013.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix013.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix013.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix013.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:24:53,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:24:53,972 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:24:53,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:24:53,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:24:54,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:24:54,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:24:54,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:24:54,002 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:24:54,005 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:24:54,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:24:54,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:24:54,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:24:54,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:24:54,008 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:24:54,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:24:54,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:24:54,008 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:24:54,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:24:54,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:24:54,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:24:54,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:24:54,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:24:54,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:24:54,011 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:24:54,011 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:24:54,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:24:54,011 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:24:54,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:24:54,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:24:54,013 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:24:54,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:24:54,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:24:54,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:24:54,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:24:54,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:24:54,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:24:54,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:24:54,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:24:54,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:24:54,014 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:24:54,014 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:24:54,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:24:54,015 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:24:54,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:24:54,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:24:54,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:24:54,270 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:24:54,270 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:24:54,271 INFO L431 ainManager$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/mix013.opt.yml/witness.yml [2024-02-07 19:24:54,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:24:54,470 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:24:54,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix013.opt.i [2024-02-07 19:24:55,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:24:55,715 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:24:55,727 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix013.opt.i [2024-02-07 19:24:55,740 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c3d1929/8936edbee01441ec8feb4b831fb490f2/FLAGed07745d3 [2024-02-07 19:24:55,750 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c3d1929/8936edbee01441ec8feb4b831fb490f2 [2024-02-07 19:24:55,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:24:55,751 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:24:55,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:24:55,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:24:55,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:24:55,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:24:54" (1/2) ... [2024-02-07 19:24:55,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee5b499 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:24:55, skipping insertion in model container [2024-02-07 19:24:55,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:24:54" (1/2) ... [2024-02-07 19:24:55,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@330df1b6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:24:55, skipping insertion in model container [2024-02-07 19:24:55,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:24:55" (2/2) ... [2024-02-07 19:24:55,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee5b499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:55, skipping insertion in model container [2024-02-07 19:24:55,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:24:55" (2/2) ... [2024-02-07 19:24:55,759 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:24:55,928 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:24:55,929 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (z$w_buff0 == 1) && (z$w_buff0_used == (_Bool)0 || z$w_buff0_used == (_Bool)1) [2024-02-07 19:24:55,929 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] (((0 <= z) && (z <= 1)) && (z$r_buff1_thd3 == (_Bool)0)) && (z == 0 || z == 1) [2024-02-07 19:24:55,929 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 19:24:55,929 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] ((0 <= z$w_buff1) && (z$w_buff1 <= 1)) && (z$w_buff1 == 0 || z$w_buff1 == 1) [2024-02-07 19:24:55,929 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) [2024-02-07 19:24:55,930 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] 0 <= __unbuffered_cnt [2024-02-07 19:24:55,930 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] (z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)1) [2024-02-07 19:24:55,930 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] ((0 <= __unbuffered_p1_EBX) && (__unbuffered_p1_EBX <= 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) [2024-02-07 19:24:55,930 INFO L76 edCorrectnessWitness]: Location invariant before [L891-L891] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p0_EAX == 0)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((__unbuffered_p1_EAX == 1 && ((__unbuffered_p1_EBX == 0 && ((__unbuffered_p2_EAX == 0 && (__unbuffered_p3_EAX == 1 || ((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 1) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || ((((((((0 <= __unbuffered_p1_EBX && 0 <= __unbuffered_p2_EAX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p1_EBX <= 1) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((((((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p1_EBX) && 0 <= __unbuffered_p2_EAX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p1_EBX <= 1) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1))) [2024-02-07 19:24:55,930 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] 0 <= __unbuffered_cnt [2024-02-07 19:24:55,930 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:55,930 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:24:55,931 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 19:24:55,931 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] (z$r_buff0_thd3 == (_Bool)0) && (z$r_buff1_thd2 == (_Bool)0) [2024-02-07 19:24:55,931 INFO L76 edCorrectnessWitness]: Location invariant before [L892-L892] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:24:55,931 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:55,931 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] y == 1 [2024-02-07 19:24:55,931 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 19:24:55,931 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:24:55,931 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] (z$r_buff0_thd2 == (_Bool)0) && (z$r_buff1_thd1 == (_Bool)0) [2024-02-07 19:24:55,931 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:55,932 INFO L76 edCorrectnessWitness]: Location invariant before [L854-L854] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 19:24:55,932 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:55,932 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 19:24:55,933 INFO L76 edCorrectnessWitness]: Location invariant before [L885-L885] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 19:24:55,933 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:24:55,933 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:55,933 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] z$flush_delayed == (_Bool)0 [2024-02-07 19:24:55,933 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:55,933 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] 0 <= __unbuffered_cnt [2024-02-07 19:24:55,933 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:24:55,933 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] ((0 <= z$w_buff0) && (z$w_buff0 <= 1)) && (z$w_buff0 == 0 || z$w_buff0 == 1) [2024-02-07 19:24:55,934 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] (z$r_buff0_thd1 == (_Bool)0) && (z$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:24:55,934 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:24:55,934 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] (z$w_buff1_used == (_Bool)1 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) [2024-02-07 19:24:55,934 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] 1 <= __unbuffered_cnt [2024-02-07 19:24:55,934 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] a == 1 [2024-02-07 19:24:55,935 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] 1 <= __unbuffered_cnt [2024-02-07 19:24:55,936 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:55,936 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:24:55,936 INFO L76 edCorrectnessWitness]: Location invariant before [L886-L886] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 19:24:55,936 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:24:55,936 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:55,936 INFO L76 edCorrectnessWitness]: Location invariant before [L889-L889] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:24:55,936 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:24:55,936 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1 [2024-02-07 19:24:55,937 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] (z$r_buff1_thd0 == (_Bool)0 && z$w_buff1_used == (_Bool)1) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 19:24:55,937 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] 1 <= __unbuffered_cnt [2024-02-07 19:24:55,937 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:24:55,937 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] z$flush_delayed == (_Bool)0 [2024-02-07 19:24:55,937 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] (z$r_buff1_thd3 == (_Bool)0) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:24:55,938 INFO L76 edCorrectnessWitness]: Location invariant before [L893-L893] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:24:55,938 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] z$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:24:55,938 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 19:24:55,938 INFO L76 edCorrectnessWitness]: Location invariant before [L856-L856] 0 <= __unbuffered_cnt [2024-02-07 19:24:55,939 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] z$r_buff0_thd4 == (_Bool)1 [2024-02-07 19:24:55,939 INFO L76 edCorrectnessWitness]: Location invariant before [L888-L888] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 19:24:55,940 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:24:55,940 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:55,940 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:55,940 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:24:55,940 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] x == 1 [2024-02-07 19:24:55,940 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] 1 <= __unbuffered_cnt [2024-02-07 19:24:55,940 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:24:55,940 INFO L76 edCorrectnessWitness]: Location invariant before [L851-L851] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 19:24:55,941 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:55,941 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:55,941 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:55,941 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:24:55,941 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 19:24:55,941 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] 0 <= __unbuffered_cnt [2024-02-07 19:24:55,942 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 19:24:55,942 INFO L76 edCorrectnessWitness]: Location invariant before [L887-L887] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 19:24:55,942 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:24:55,942 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:55,942 INFO L76 edCorrectnessWitness]: Location invariant before [L850-L850] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:24:55,977 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:24:56,117 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/mix013.opt.i[944,957] [2024-02-07 19:24:56,324 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:24:56,338 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:24:56,366 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/mix013.opt.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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:24:56,450 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:24:56,476 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:24:56,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:56 WrapperNode [2024-02-07 19:24:56,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:24:56,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:24:56,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:24:56,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:24:56,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:56" (1/1) ... [2024-02-07 19:24:56,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:56" (1/1) ... [2024-02-07 19:24:56,542 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 215 [2024-02-07 19:24:56,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:24:56,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:24:56,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:24:56,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:24:56,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:56" (1/1) ... [2024-02-07 19:24:56,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:56" (1/1) ... [2024-02-07 19:24:56,555 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:56" (1/1) ... [2024-02-07 19:24:56,578 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 19:24:56,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:56" (1/1) ... [2024-02-07 19:24:56,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:56" (1/1) ... [2024-02-07 19:24:56,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:56" (1/1) ... [2024-02-07 19:24:56,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:56" (1/1) ... [2024-02-07 19:24:56,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:56" (1/1) ... [2024-02-07 19:24:56,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:56" (1/1) ... [2024-02-07 19:24:56,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:24:56,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:24:56,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:24:56,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:24:56,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:56" (1/1) ... [2024-02-07 19:24:56,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:24:56,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:24:56,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 19:24:56,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 19:24:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:24:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:24:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:24:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:24:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:24:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:24:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:24:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:24:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:24:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:24:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:24:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:24:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:24:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:24:56,940 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:24:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:24:56,940 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:24:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:24:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:24:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:24:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:24:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:24:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:24:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:24:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:24:56,942 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:24:57,081 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:24:57,083 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:24:57,546 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:24:57,546 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:24:57,961 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:24:57,961 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:24:57,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:24:57 BoogieIcfgContainer [2024-02-07 19:24:57,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:24:57,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:24:57,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:24:57,967 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:24:57,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:24:54" (1/4) ... [2024-02-07 19:24:57,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3185c42b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:24:57, skipping insertion in model container [2024-02-07 19:24:57,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:24:55" (2/4) ... [2024-02-07 19:24:57,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3185c42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:24:57, skipping insertion in model container [2024-02-07 19:24:57,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:56" (3/4) ... [2024-02-07 19:24:57,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3185c42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:24:57, skipping insertion in model container [2024-02-07 19:24:57,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:24:57" (4/4) ... [2024-02-07 19:24:57,971 INFO L112 eAbstractionObserver]: Analyzing ICFG mix013.opt.i [2024-02-07 19:24:57,984 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:24:57,985 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 79 error locations. [2024-02-07 19:24:57,985 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:24:58,104 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:24:58,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 140 places, 128 transitions, 272 flow [2024-02-07 19:24:58,193 INFO L124 PetriNetUnfolderBase]: 1/124 cut-off events. [2024-02-07 19:24:58,193 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:24:58,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 1/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 651 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 128. Up to 2 conditions per place. [2024-02-07 19:24:58,199 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 128 transitions, 272 flow [2024-02-07 19:24:58,206 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 124 transitions, 260 flow [2024-02-07 19:24:58,217 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:24:58,258 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;@69d78294, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:24:58,259 INFO L358 AbstractCegarLoop]: Starting to check reachability of 148 error locations. [2024-02-07 19:24:58,279 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:24:58,280 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-02-07 19:24:58,280 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:24:58,280 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:24:58,284 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:24:58,284 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 145 more)] === [2024-02-07 19:24:58,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:24:58,288 INFO L85 PathProgramCache]: Analyzing trace with hash 26244816, now seen corresponding path program 1 times [2024-02-07 19:24:58,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:24:58,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889056959] [2024-02-07 19:24:58,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:24:58,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:24:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:24:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:24:58,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:24:58,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889056959] [2024-02-07 19:24:58,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889056959] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:24:58,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:24:58,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:24:58,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077714848] [2024-02-07 19:24:58,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:24:58,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 19:24:58,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:24:58,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 19:24:58,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 19:24:58,490 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 128 [2024-02-07 19:24:58,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 124 transitions, 260 flow. Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:24:58,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:24:58,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 128 [2024-02-07 19:24:58,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:25:16,258 INFO L124 PetriNetUnfolderBase]: 170636/247734 cut-off events. [2024-02-07 19:25:16,258 INFO L125 PetriNetUnfolderBase]: For 772/772 co-relation queries the response was YES. [2024-02-07 19:25:16,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 470823 conditions, 247734 events. 170636/247734 cut-off events. For 772/772 co-relation queries the response was YES. Maximal size of possible extension queue 12033. Compared 2186074 event pairs, 170636 based on Foata normal form. 3780/133824 useless extension candidates. Maximal degree in co-relation 470811. Up to 221430 conditions per place. [2024-02-07 19:25:17,783 INFO L140 encePairwiseOnDemand]: 95/128 looper letters, 49 selfloop transitions, 0 changer transitions 0/63 dead transitions. [2024-02-07 19:25:17,784 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 63 transitions, 236 flow [2024-02-07 19:25:17,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 19:25:17,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 19:25:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 118 transitions. [2024-02-07 19:25:17,794 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4609375 [2024-02-07 19:25:17,795 INFO L175 Difference]: Start difference. First operand has 136 places, 124 transitions, 260 flow. Second operand 2 states and 118 transitions. [2024-02-07 19:25:17,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 63 transitions, 236 flow [2024-02-07 19:25:17,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 63 transitions, 232 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 19:25:17,812 INFO L231 Difference]: Finished difference. Result has 73 places, 63 transitions, 134 flow [2024-02-07 19:25:17,813 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=134, PETRI_PLACES=73, PETRI_TRANSITIONS=63} [2024-02-07 19:25:17,815 INFO L281 CegarLoopForPetriNet]: 136 programPoint places, -63 predicate places. [2024-02-07 19:25:17,815 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 63 transitions, 134 flow [2024-02-07 19:25:17,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:25:17,816 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:25:17,816 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:25:17,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:25:17,816 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 145 more)] === [2024-02-07 19:25:17,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:25:17,817 INFO L85 PathProgramCache]: Analyzing trace with hash 813590258, now seen corresponding path program 1 times [2024-02-07 19:25:17,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:25:17,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628894262] [2024-02-07 19:25:17,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:25:17,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:25:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:25:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:25:17,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:25:17,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628894262] [2024-02-07 19:25:17,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628894262] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:25:17,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:25:17,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:25:17,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622915875] [2024-02-07 19:25:17,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:25:17,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:25:17,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:25:17,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:25:17,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:25:17,890 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 128 [2024-02-07 19:25:17,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 63 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:25:17,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:25:17,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 128 [2024-02-07 19:25:17,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand