./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix040.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/mix040.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/mix040.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix040.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 19:27:33,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:27:33,710 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:27:33,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:27:33,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:27:33,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:27:33,760 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:27:33,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:27:33,760 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:27:33,761 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:27:33,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:27:33,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:27:33,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:27:33,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:27:33,762 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:27:33,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:27:33,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:27:33,763 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:27:33,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:27:33,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:27:33,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:27:33,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:27:33,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:27:33,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:27:33,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:27:33,765 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:27:33,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:27:33,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:27:33,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:27:33,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:27:33,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:27:33,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:27:33,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:27:33,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:27:33,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:27:33,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:27:33,772 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:27:33,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:27:33,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:27:33,773 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:27:33,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:27:33,776 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:27:33,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:27:33,777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:27:34,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:27:34,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:27:34,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:27:34,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:27:34,029 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:27:34,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix040.opt.i [2024-02-07 19:27:35,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:27:35,508 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:27:35,511 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040.opt.i [2024-02-07 19:27:35,531 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ff1c4c1/740378eaaf3943b1969698773aeffeb1/FLAG18bd46fcc [2024-02-07 19:27:35,547 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ff1c4c1/740378eaaf3943b1969698773aeffeb1 [2024-02-07 19:27:35,549 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:27:35,550 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:27:35,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix040.opt.yml/witness.yml [2024-02-07 19:27:35,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:27:35,675 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:27:35,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:27:35,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:27:35,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:27:35,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:27:35" (1/2) ... [2024-02-07 19:27:35,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d08124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:35, skipping insertion in model container [2024-02-07 19:27:35,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:27:35" (1/2) ... [2024-02-07 19:27:35,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@737a7ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:35, skipping insertion in model container [2024-02-07 19:27:35,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:35" (2/2) ... [2024-02-07 19:27:35,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d08124 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:35, skipping insertion in model container [2024-02-07 19:27:35,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:35" (2/2) ... [2024-02-07 19:27:35,685 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:27:35,809 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:27:35,811 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] ((0 <= z$w_buff0) && (z$w_buff0 <= 1)) && (z$w_buff0 == 0 || z$w_buff0 == 1) [2024-02-07 19:27:35,811 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] z$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:27:35,811 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 19:27:35,812 INFO L76 edCorrectnessWitness]: Location invariant before [L753-L753] b == 1 [2024-02-07 19:27:35,812 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] x == 2 [2024-02-07 19:27:35,813 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:27:35,813 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:27:35,813 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] (z$w_buff0 == 1) && (z$w_buff0_used == (_Bool)0 || z$w_buff0_used == (_Bool)1) [2024-02-07 19:27:35,813 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 19:27:35,813 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] 1 <= __unbuffered_cnt [2024-02-07 19:27:35,813 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] ((((z$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$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:35,813 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] ((((z$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$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:35,814 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] y == 1 [2024-02-07 19:27:35,814 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] ((((z$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$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:35,814 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:27:35,814 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 19:27:35,815 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] (z$r_buff0_thd3 == (_Bool)0) && (z$r_buff1_thd2 == (_Bool)0) [2024-02-07 19:27:35,815 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] (z$r_buff1_thd0 == (_Bool)0 && z$w_buff1_used == (_Bool)1) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 19:27:35,815 INFO L76 edCorrectnessWitness]: Location invariant before [L863-L863] 0 <= __unbuffered_cnt [2024-02-07 19:27:35,815 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] ((((z$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$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:35,815 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] 1 <= __unbuffered_cnt [2024-02-07 19:27:35,816 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] ((((z$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$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:35,816 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] ((0 <= b) && (b <= 1)) && (b == 0 || b == 1) [2024-02-07 19:27:35,816 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] ((((z$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$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:35,816 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] (z$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$r_buff0_thd4 == (_Bool)1)) [2024-02-07 19:27:35,816 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:27:35,816 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:27:35,816 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] 0 <= __unbuffered_cnt [2024-02-07 19:27:35,817 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] 0 <= __unbuffered_cnt [2024-02-07 19:27:35,817 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] ((0 <= z$w_buff1) && (z$w_buff1 <= 1)) && (z$w_buff1 == 0 || z$w_buff1 == 1) [2024-02-07 19:27:35,817 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] (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 19:27:35,817 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:27:35,817 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1 [2024-02-07 19:27:35,817 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] ((((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 19:27:35,817 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 19:27:35,818 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] 0 <= __unbuffered_cnt [2024-02-07 19:27:35,818 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:27:35,818 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 19:27:35,820 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (z$r_buff1_thd3 == (_Bool)0) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:27:35,820 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:27:35,821 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:27:35,821 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (z$r_buff0_thd2 == (_Bool)0) && (z$r_buff1_thd1 == (_Bool)0) [2024-02-07 19:27:35,821 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (z$r_buff0_thd1 == (_Bool)0) && (z$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:27:35,821 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:27:35,821 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] y == 2 [2024-02-07 19:27:35,821 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] a == 1 [2024-02-07 19:27:35,822 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] x == 1 [2024-02-07 19:27:35,822 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] 0 <= __unbuffered_cnt [2024-02-07 19:27:35,822 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] z$r_buff0_thd4 == (_Bool)1 [2024-02-07 19:27:35,822 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] 1 <= __unbuffered_cnt [2024-02-07 19:27:35,822 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:27:35,822 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] (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 19:27:35,822 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] (((0 <= z) && (z <= 1)) && (z$r_buff1_thd3 == (_Bool)0)) && (z == 0 || z == 1) [2024-02-07 19:27:35,822 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:27:35,823 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] (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 19:27:35,823 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] 1 <= __unbuffered_cnt [2024-02-07 19:27:35,823 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] (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 19:27:35,823 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] ((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) [2024-02-07 19:27:35,823 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 19:27:35,823 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] z$flush_delayed == (_Bool)0 [2024-02-07 19:27:35,823 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] (z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)1) [2024-02-07 19:27:35,824 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (x == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((y == 2 && ((__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_p2_EAX && 0 <= __unbuffered_p3_EAX) && 0 <= y) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && y <= 2) && y <= 127) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)) && ((y == 0 || y == 1) || y == 2))) [2024-02-07 19:27:35,865 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:27:36,012 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/mix040.opt.i[944,957] [2024-02-07 19:27:36,193 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:27:36,213 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:27:36,244 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/mix040.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 [2024-02-07 19:27:36,353 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:27:36,380 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:27:36,381 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:36 WrapperNode [2024-02-07 19:27:36,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:27:36,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:27:36,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:27:36,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:27:36,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:36" (1/1) ... [2024-02-07 19:27:36,406 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:36" (1/1) ... [2024-02-07 19:27:36,437 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 189 [2024-02-07 19:27:36,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:27:36,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:27:36,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:27:36,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:27:36,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:36" (1/1) ... [2024-02-07 19:27:36,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:36" (1/1) ... [2024-02-07 19:27:36,453 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:36" (1/1) ... [2024-02-07 19:27:36,467 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 19:27:36,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:36" (1/1) ... [2024-02-07 19:27:36,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:36" (1/1) ... [2024-02-07 19:27:36,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:36" (1/1) ... [2024-02-07 19:27:36,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:36" (1/1) ... [2024-02-07 19:27:36,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:36" (1/1) ... [2024-02-07 19:27:36,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:36" (1/1) ... [2024-02-07 19:27:36,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:27:36,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:27:36,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:27:36,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:27:36,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:36" (1/1) ... [2024-02-07 19:27:36,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:27:36,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:27:36,540 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 19:27:36,564 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 19:27:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:27:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:27:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:27:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:27:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:27:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:27:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:27:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:27:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:27:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:27:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:27:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:27:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:27:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:27:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:27:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:27:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:27:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:27:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:27:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:27:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:27:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:27:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:27:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:27:36,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:27:36,582 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 19:27:36,722 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:27:36,723 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:27:37,229 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:27:37,229 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:27:37,543 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:27:37,544 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:27:37,544 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:27:37 BoogieIcfgContainer [2024-02-07 19:27:37,545 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:27:37,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:27:37,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:27:37,550 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:27:37,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:27:35" (1/4) ... [2024-02-07 19:27:37,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f35029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:27:37, skipping insertion in model container [2024-02-07 19:27:37,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:35" (2/4) ... [2024-02-07 19:27:37,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f35029 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:27:37, skipping insertion in model container [2024-02-07 19:27:37,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:36" (3/4) ... [2024-02-07 19:27:37,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f35029 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:27:37, skipping insertion in model container [2024-02-07 19:27:37,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:27:37" (4/4) ... [2024-02-07 19:27:37,554 INFO L112 eAbstractionObserver]: Analyzing ICFG mix040.opt.i [2024-02-07 19:27:37,567 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:27:37,568 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 65 error locations. [2024-02-07 19:27:37,568 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:27:37,685 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:27:37,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 114 transitions, 244 flow [2024-02-07 19:27:37,779 INFO L124 PetriNetUnfolderBase]: 1/110 cut-off events. [2024-02-07 19:27:37,780 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:27:37,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 1/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 532 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 114. Up to 2 conditions per place. [2024-02-07 19:27:37,786 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 114 transitions, 244 flow [2024-02-07 19:27:37,791 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 110 transitions, 232 flow [2024-02-07 19:27:37,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:27:37,814 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;@20d56338, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:27:37,815 INFO L358 AbstractCegarLoop]: Starting to check reachability of 120 error locations. [2024-02-07 19:27:37,821 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:27:37,821 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-02-07 19:27:37,821 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:27:37,822 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:27:37,822 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:27:37,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 117 more)] === [2024-02-07 19:27:37,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:27:37,830 INFO L85 PathProgramCache]: Analyzing trace with hash 21747822, now seen corresponding path program 1 times [2024-02-07 19:27:37,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:27:37,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663782261] [2024-02-07 19:27:37,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:27:37,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:27:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:27:38,063 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 19:27:38,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:27:38,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663782261] [2024-02-07 19:27:38,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663782261] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:27:38,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:27:38,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:27:38,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990646041] [2024-02-07 19:27:38,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:27:38,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 19:27:38,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:27:38,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 19:27:38,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 19:27:38,141 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 114 [2024-02-07 19:27:38,143 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 110 transitions, 232 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 19:27:38,143 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:27:38,143 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 114 [2024-02-07 19:27:38,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:27:48,868 INFO L124 PetriNetUnfolderBase]: 95207/139305 cut-off events. [2024-02-07 19:27:48,869 INFO L125 PetriNetUnfolderBase]: For 448/448 co-relation queries the response was YES. [2024-02-07 19:27:49,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264497 conditions, 139305 events. 95207/139305 cut-off events. For 448/448 co-relation queries the response was YES. Maximal size of possible extension queue 6931. Compared 1179102 event pairs, 95207 based on Foata normal form. 2160/82604 useless extension candidates. Maximal degree in co-relation 264485. Up to 124237 conditions per place. [2024-02-07 19:27:49,943 INFO L140 encePairwiseOnDemand]: 82/114 looper letters, 45 selfloop transitions, 0 changer transitions 0/59 dead transitions. [2024-02-07 19:27:49,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 59 transitions, 220 flow [2024-02-07 19:27:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 19:27:49,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 19:27:49,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 113 transitions. [2024-02-07 19:27:49,952 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4956140350877193 [2024-02-07 19:27:49,953 INFO L175 Difference]: Start difference. First operand has 122 places, 110 transitions, 232 flow. Second operand 2 states and 113 transitions. [2024-02-07 19:27:49,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 59 transitions, 220 flow [2024-02-07 19:27:49,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 59 transitions, 216 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 19:27:49,961 INFO L231 Difference]: Finished difference. Result has 69 places, 59 transitions, 126 flow [2024-02-07 19:27:49,963 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=126, PETRI_PLACES=69, PETRI_TRANSITIONS=59} [2024-02-07 19:27:49,965 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -53 predicate places. [2024-02-07 19:27:49,965 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 59 transitions, 126 flow [2024-02-07 19:27:49,965 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 19:27:49,966 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:27:49,966 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:27:49,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:27:49,966 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 117 more)] === [2024-02-07 19:27:49,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:27:49,967 INFO L85 PathProgramCache]: Analyzing trace with hash -649905039, now seen corresponding path program 1 times [2024-02-07 19:27:49,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:27:49,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808640561] [2024-02-07 19:27:49,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:27:49,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:27:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:27:50,027 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 19:27:50,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:27:50,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808640561] [2024-02-07 19:27:50,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808640561] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:27:50,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:27:50,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:27:50,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899907535] [2024-02-07 19:27:50,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:27:50,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:27:50,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:27:50,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:27:50,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:27:50,031 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 114 [2024-02-07 19:27:50,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 59 transitions, 126 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 19:27:50,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:27:50,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 114 [2024-02-07 19:27:50,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:27:57,154 INFO L124 PetriNetUnfolderBase]: 74046/100355 cut-off events. [2024-02-07 19:27:57,154 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:27:57,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198495 conditions, 100355 events. 74046/100355 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4987. Compared 710565 event pairs, 22358 based on Foata normal form. 0/60445 useless extension candidates. Maximal degree in co-relation 198492. Up to 77643 conditions per place. [2024-02-07 19:27:57,789 INFO L140 encePairwiseOnDemand]: 106/114 looper letters, 77 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2024-02-07 19:27:57,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 95 transitions, 366 flow [2024-02-07 19:27:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:27:57,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:27:57,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 139 transitions. [2024-02-07 19:27:57,794 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4064327485380117 [2024-02-07 19:27:57,795 INFO L175 Difference]: Start difference. First operand has 69 places, 59 transitions, 126 flow. Second operand 3 states and 139 transitions. [2024-02-07 19:27:57,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 95 transitions, 366 flow [2024-02-07 19:27:57,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 95 transitions, 366 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 19:27:57,797 INFO L231 Difference]: Finished difference. Result has 72 places, 62 transitions, 158 flow [2024-02-07 19:27:57,798 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=72, PETRI_TRANSITIONS=62} [2024-02-07 19:27:57,799 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -50 predicate places. [2024-02-07 19:27:57,799 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 62 transitions, 158 flow [2024-02-07 19:27:57,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 19:27:57,801 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:27:57,801 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:27:57,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:27:57,801 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 117 more)] === [2024-02-07 19:27:57,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:27:57,802 INFO L85 PathProgramCache]: Analyzing trace with hash 78128353, now seen corresponding path program 1 times [2024-02-07 19:27:57,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:27:57,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720744298] [2024-02-07 19:27:57,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:27:57,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:27:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:27:57,978 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 19:27:57,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:27:57,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720744298] [2024-02-07 19:27:57,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720744298] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:27:57,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:27:57,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:27:57,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534766590] [2024-02-07 19:27:57,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:27:57,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:27:57,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:27:57,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:27:57,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:27:57,983 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 114 [2024-02-07 19:27:57,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 62 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 19:27:57,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:27:57,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 114 [2024-02-07 19:27:57,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:28:04,352 INFO L124 PetriNetUnfolderBase]: 61612/91225 cut-off events. [2024-02-07 19:28:04,353 INFO L125 PetriNetUnfolderBase]: For 8159/8159 co-relation queries the response was YES. [2024-02-07 19:28:04,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190734 conditions, 91225 events. 61612/91225 cut-off events. For 8159/8159 co-relation queries the response was YES. Maximal size of possible extension queue 4434. Compared 750537 event pairs, 59196 based on Foata normal form. 0/58226 useless extension candidates. Maximal degree in co-relation 190729. Up to 81131 conditions per place. [2024-02-07 19:28:05,025 INFO L140 encePairwiseOnDemand]: 111/114 looper letters, 45 selfloop transitions, 1 changer transitions 0/60 dead transitions. [2024-02-07 19:28:05,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 60 transitions, 246 flow [2024-02-07 19:28:05,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:28:05,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:28:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-02-07 19:28:05,027 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2894736842105263 [2024-02-07 19:28:05,027 INFO L175 Difference]: Start difference. First operand has 72 places, 62 transitions, 158 flow. Second operand 3 states and 99 transitions. [2024-02-07 19:28:05,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 60 transitions, 246 flow [2024-02-07 19:28:05,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 60 transitions, 242 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 19:28:05,032 INFO L231 Difference]: Finished difference. Result has 71 places, 60 transitions, 152 flow [2024-02-07 19:28:05,032 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=152, PETRI_PLACES=71, PETRI_TRANSITIONS=60} [2024-02-07 19:28:05,033 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -51 predicate places. [2024-02-07 19:28:05,033 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 60 transitions, 152 flow [2024-02-07 19:28:05,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 19:28:05,033 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:28:05,033 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:28:05,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 19:28:05,034 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 117 more)] === [2024-02-07 19:28:05,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:28:05,034 INFO L85 PathProgramCache]: Analyzing trace with hash 78128356, now seen corresponding path program 1 times [2024-02-07 19:28:05,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:28:05,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238443508] [2024-02-07 19:28:05,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:28:05,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:28:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:28:05,588 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 19:28:05,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:28:05,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238443508] [2024-02-07 19:28:05,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238443508] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:28:05,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:28:05,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:28:05,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556162337] [2024-02-07 19:28:05,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:28:05,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:28:05,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:28:05,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:28:05,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:28:05,601 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 114 [2024-02-07 19:28:05,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 60 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 19:28:05,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:28:05,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 114 [2024-02-07 19:28:05,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:28:10,976 INFO L124 PetriNetUnfolderBase]: 58568/81126 cut-off events. [2024-02-07 19:28:10,976 INFO L125 PetriNetUnfolderBase]: For 8668/8668 co-relation queries the response was YES. [2024-02-07 19:28:11,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173316 conditions, 81126 events. 58568/81126 cut-off events. For 8668/8668 co-relation queries the response was YES. Maximal size of possible extension queue 3916. Compared 570876 event pairs, 17167 based on Foata normal form. 0/51483 useless extension candidates. Maximal degree in co-relation 173311. Up to 53252 conditions per place. [2024-02-07 19:28:11,454 INFO L140 encePairwiseOnDemand]: 107/114 looper letters, 77 selfloop transitions, 6 changer transitions 0/97 dead transitions. [2024-02-07 19:28:11,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 97 transitions, 412 flow [2024-02-07 19:28:11,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:28:11,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:28:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 132 transitions. [2024-02-07 19:28:11,469 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38596491228070173 [2024-02-07 19:28:11,469 INFO L175 Difference]: Start difference. First operand has 71 places, 60 transitions, 152 flow. Second operand 3 states and 132 transitions. [2024-02-07 19:28:11,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 97 transitions, 412 flow [2024-02-07 19:28:11,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 97 transitions, 411 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 19:28:11,473 INFO L231 Difference]: Finished difference. Result has 73 places, 65 transitions, 191 flow [2024-02-07 19:28:11,473 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=191, PETRI_PLACES=73, PETRI_TRANSITIONS=65} [2024-02-07 19:28:11,474 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -49 predicate places. [2024-02-07 19:28:11,474 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 65 transitions, 191 flow [2024-02-07 19:28:11,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 19:28:11,474 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:28:11,474 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:28:11,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-07 19:28:11,475 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 117 more)] === [2024-02-07 19:28:11,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:28:11,475 INFO L85 PathProgramCache]: Analyzing trace with hash 78128346, now seen corresponding path program 1 times [2024-02-07 19:28:11,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:28:11,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220363469] [2024-02-07 19:28:11,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:28:11,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:28:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:28:11,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:28:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:28:11,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:28:11,506 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:28:11,507 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 120 remaining) [2024-02-07 19:28:11,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 120 remaining) [2024-02-07 19:28:11,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 120 remaining) [2024-02-07 19:28:11,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 120 remaining) [2024-02-07 19:28:11,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 120 remaining) [2024-02-07 19:28:11,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 120 remaining) [2024-02-07 19:28:11,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 120 remaining) [2024-02-07 19:28:11,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 120 remaining) [2024-02-07 19:28:11,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 120 remaining) [2024-02-07 19:28:11,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 120 remaining) [2024-02-07 19:28:11,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 120 remaining) [2024-02-07 19:28:11,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 120 remaining) [2024-02-07 19:28:11,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 120 remaining) [2024-02-07 19:28:11,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 120 remaining) [2024-02-07 19:28:11,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 120 remaining) [2024-02-07 19:28:11,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 120 remaining) [2024-02-07 19:28:11,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 120 remaining) [2024-02-07 19:28:11,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 120 remaining) [2024-02-07 19:28:11,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 120 remaining) [2024-02-07 19:28:11,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 120 remaining) [2024-02-07 19:28:11,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 120 remaining) [2024-02-07 19:28:11,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 120 remaining) [2024-02-07 19:28:11,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 120 remaining) [2024-02-07 19:28:11,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 120 remaining) [2024-02-07 19:28:11,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 120 remaining) [2024-02-07 19:28:11,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 120 remaining) [2024-02-07 19:28:11,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 120 remaining) [2024-02-07 19:28:11,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 120 remaining) [2024-02-07 19:28:11,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 120 remaining) [2024-02-07 19:28:11,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 120 remaining) [2024-02-07 19:28:11,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 120 remaining) [2024-02-07 19:28:11,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err6ASSERT_VIOLATIONERROR_FUNCTION (88 of 120 remaining) [2024-02-07 19:28:11,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 120 remaining) [2024-02-07 19:28:11,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 120 remaining) [2024-02-07 19:28:11,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 120 remaining) [2024-02-07 19:28:11,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 120 remaining) [2024-02-07 19:28:11,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 120 remaining) [2024-02-07 19:28:11,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 120 remaining) [2024-02-07 19:28:11,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 120 remaining) [2024-02-07 19:28:11,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 120 remaining) [2024-02-07 19:28:11,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err15ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 120 remaining) [2024-02-07 19:28:11,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err16ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 120 remaining) [2024-02-07 19:28:11,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err17ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 120 remaining) [2024-02-07 19:28:11,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err18ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 120 remaining) [2024-02-07 19:28:11,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err19ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 120 remaining) [2024-02-07 19:28:11,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err20ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 120 remaining) [2024-02-07 19:28:11,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err21ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 120 remaining) [2024-02-07 19:28:11,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err22ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 120 remaining) [2024-02-07 19:28:11,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err23ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 120 remaining) [2024-02-07 19:28:11,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err24ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 120 remaining) [2024-02-07 19:28:11,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err25ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 120 remaining) [2024-02-07 19:28:11,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err26ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 120 remaining) [2024-02-07 19:28:11,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 120 remaining) [2024-02-07 19:28:11,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 120 remaining) [2024-02-07 19:28:11,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 120 remaining) [2024-02-07 19:28:11,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 120 remaining) [2024-02-07 19:28:11,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 120 remaining) [2024-02-07 19:28:11,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 120 remaining) [2024-02-07 19:28:11,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 120 remaining) [2024-02-07 19:28:11,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 120 remaining) [2024-02-07 19:28:11,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 120 remaining) [2024-02-07 19:28:11,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 120 remaining) [2024-02-07 19:28:11,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 120 remaining) [2024-02-07 19:28:11,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 120 remaining) [2024-02-07 19:28:11,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 120 remaining) [2024-02-07 19:28:11,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (54 of 120 remaining) [2024-02-07 19:28:11,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 120 remaining) [2024-02-07 19:28:11,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 120 remaining) [2024-02-07 19:28:11,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 120 remaining) [2024-02-07 19:28:11,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 120 remaining) [2024-02-07 19:28:11,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 120 remaining) [2024-02-07 19:28:11,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 120 remaining) [2024-02-07 19:28:11,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 120 remaining) [2024-02-07 19:28:11,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 120 remaining) [2024-02-07 19:28:11,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 120 remaining) [2024-02-07 19:28:11,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 120 remaining) [2024-02-07 19:28:11,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 120 remaining) [2024-02-07 19:28:11,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 120 remaining) [2024-02-07 19:28:11,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 120 remaining) [2024-02-07 19:28:11,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 120 remaining) [2024-02-07 19:28:11,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 120 remaining) [2024-02-07 19:28:11,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 120 remaining) [2024-02-07 19:28:11,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 120 remaining) [2024-02-07 19:28:11,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 120 remaining) [2024-02-07 19:28:11,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 120 remaining) [2024-02-07 19:28:11,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 120 remaining) [2024-02-07 19:28:11,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 120 remaining) [2024-02-07 19:28:11,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 120 remaining) [2024-02-07 19:28:11,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 120 remaining) [2024-02-07 19:28:11,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 120 remaining) [2024-02-07 19:28:11,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 120 remaining) [2024-02-07 19:28:11,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 120 remaining) [2024-02-07 19:28:11,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 120 remaining) [2024-02-07 19:28:11,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 120 remaining) [2024-02-07 19:28:11,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 120 remaining) [2024-02-07 19:28:11,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 120 remaining) [2024-02-07 19:28:11,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 120 remaining) [2024-02-07 19:28:11,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 120 remaining) [2024-02-07 19:28:11,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 120 remaining) [2024-02-07 19:28:11,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err6ASSERT_VIOLATIONERROR_FUNCTION (20 of 120 remaining) [2024-02-07 19:28:11,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 120 remaining) [2024-02-07 19:28:11,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 120 remaining) [2024-02-07 19:28:11,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 120 remaining) [2024-02-07 19:28:11,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 120 remaining) [2024-02-07 19:28:11,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 120 remaining) [2024-02-07 19:28:11,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 120 remaining) [2024-02-07 19:28:11,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 120 remaining) [2024-02-07 19:28:11,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 120 remaining) [2024-02-07 19:28:11,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err15ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 120 remaining) [2024-02-07 19:28:11,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err16ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 120 remaining) [2024-02-07 19:28:11,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err17ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 120 remaining) [2024-02-07 19:28:11,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err18ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 120 remaining) [2024-02-07 19:28:11,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err19ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 120 remaining) [2024-02-07 19:28:11,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err20ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 120 remaining) [2024-02-07 19:28:11,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err21ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 120 remaining) [2024-02-07 19:28:11,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err22ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 120 remaining) [2024-02-07 19:28:11,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err23ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 120 remaining) [2024-02-07 19:28:11,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err24ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 120 remaining) [2024-02-07 19:28:11,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err25ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 120 remaining) [2024-02-07 19:28:11,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err26ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 120 remaining) [2024-02-07 19:28:11,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-07 19:28:11,525 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-02-07 19:28:11,531 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:28:11,531 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:28:11,572 INFO L503 ceAbstractionStarter]: Automizer considered 63 witness invariants [2024-02-07 19:28:11,572 INFO L504 ceAbstractionStarter]: WitnessConsidered=63 [2024-02-07 19:28:11,573 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:28:11 BasicIcfg [2024-02-07 19:28:11,574 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:28:11,574 INFO L158 Benchmark]: Toolchain (without parser) took 35899.31ms. Allocated memory was 157.3MB in the beginning and 14.4GB in the end (delta: 14.2GB). Free memory was 115.2MB in the beginning and 11.9GB in the end (delta: -11.8GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-02-07 19:28:11,574 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory was 84.0MB in the beginning and 83.9MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:28:11,574 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:28:11,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.77ms. Allocated memory is still 157.3MB. Free memory was 115.2MB in the beginning and 66.1MB in the end (delta: 49.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-02-07 19:28:11,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.57ms. Allocated memory is still 157.3MB. Free memory was 66.1MB in the beginning and 62.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:28:11,575 INFO L158 Benchmark]: Boogie Preprocessor took 60.63ms. Allocated memory is still 157.3MB. Free memory was 62.8MB in the beginning and 58.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:28:11,575 INFO L158 Benchmark]: RCFGBuilder took 1043.46ms. Allocated memory is still 157.3MB. Free memory was 58.6MB in the beginning and 75.1MB in the end (delta: -16.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-02-07 19:28:11,577 INFO L158 Benchmark]: TraceAbstraction took 34026.31ms. Allocated memory was 157.3MB in the beginning and 14.4GB in the end (delta: 14.2GB). Free memory was 74.1MB in the beginning and 11.9GB in the end (delta: -11.9GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-02-07 19:28:11,578 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory was 84.0MB in the beginning and 83.9MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.77ms. Allocated memory is still 157.3MB. Free memory was 115.2MB in the beginning and 66.1MB in the end (delta: 49.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.57ms. Allocated memory is still 157.3MB. Free memory was 66.1MB in the beginning and 62.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.63ms. Allocated memory is still 157.3MB. Free memory was 62.8MB in the beginning and 58.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1043.46ms. Allocated memory is still 157.3MB. Free memory was 58.6MB in the beginning and 75.1MB in the end (delta: -16.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * TraceAbstraction took 34026.31ms. Allocated memory was 157.3MB in the beginning and 14.4GB in the end (delta: 14.2GB). Free memory was 74.1MB in the beginning and 11.9GB in the end (delta: -11.9GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 786]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p2_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L720] 0 int b = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L728] 0 int z = 0; [L729] 0 _Bool z$flush_delayed; [L730] 0 int z$mem_tmp; [L731] 0 _Bool z$r_buff0_thd0; [L732] 0 _Bool z$r_buff0_thd1; [L733] 0 _Bool z$r_buff0_thd2; [L734] 0 _Bool z$r_buff0_thd3; [L735] 0 _Bool z$r_buff0_thd4; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$r_buff1_thd4; [L741] 0 _Bool z$read_delayed; [L742] 0 int *z$read_delayed_var; [L743] 0 int z$w_buff0; [L744] 0 _Bool z$w_buff0_used; [L745] 0 int z$w_buff1; [L746] 0 _Bool z$w_buff1_used; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L854] 0 pthread_t t1061; [L855] FCALL, FORK 0 pthread_create(&t1061, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t1061={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L856] 0 pthread_t t1062; [L857] FCALL, FORK 0 pthread_create(&t1062, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t1061={5:0}, t1062={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L858] 0 pthread_t t1063; [L859] FCALL, FORK 0 pthread_create(&t1063, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t1061={5:0}, t1062={6:0}, t1063={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L782] 3 y = 2 [L783] 3 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[y],IntegerLiteral[2]]]] VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L785] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L786] 3 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=0, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] - UnprovableResult [Line: 753]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 756]: 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: 768]: 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: 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: 783]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 787]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 789]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 791]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 792]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 793]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 794]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 795]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 796]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 803]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 804]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 810]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 813]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 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: 818]: 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: 824]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 826]: 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: 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: 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: 863]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 864]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 865]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 867]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 868]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 869]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 870]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 871]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 872]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 874]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 875]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 876]: 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: 855]: 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: 861]: 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: 857]: 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: 859]: 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 9 procedures, 199 locations, 120 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: 33.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 254 IncrementalHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 0 mSDtfsCounter, 254 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=232occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 0.8s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 397 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-07 19:28:11,633 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