./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix008.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/mix008.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/mix008.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix008.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:24:13,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:24:13,597 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:24:13,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:24:13,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:24:13,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:24:13,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:24:13,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:24:13,631 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:24:13,634 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:24:13,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:24:13,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:24:13,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:24:13,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:24:13,636 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:24:13,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:24:13,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:24:13,637 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:24:13,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:24:13,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:24:13,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:24:13,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:24:13,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:24:13,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:24:13,639 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:24:13,639 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:24:13,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:24:13,639 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:24:13,640 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:24:13,640 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:24:13,641 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:24:13,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:24:13,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:24:13,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:24:13,641 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:24:13,641 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:24:13,642 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:24:13,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:24:13,642 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:24:13,642 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:24:13,642 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:24:13,643 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:24:13,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:24:13,643 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:24:13,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:24:13,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:24:13,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:24:13,927 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:24:13,928 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:24:13,929 INFO L431 ainManager$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/mix008.opt.yml/witness.yml [2024-02-07 19:24:14,044 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:24:14,045 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:24:14,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix008.opt.i [2024-02-07 19:24:15,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:24:15,345 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:24:15,347 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008.opt.i [2024-02-07 19:24:15,368 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cfef6e52/b705c2d40dee40f0afeb0a71f7c33d46/FLAG4d5beacdc [2024-02-07 19:24:15,380 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cfef6e52/b705c2d40dee40f0afeb0a71f7c33d46 [2024-02-07 19:24:15,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:24:15,382 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:24:15,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:24:15,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:24:15,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:24:15,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:24:14" (1/2) ... [2024-02-07 19:24:15,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e5787c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:24:15, skipping insertion in model container [2024-02-07 19:24:15,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:24:14" (1/2) ... [2024-02-07 19:24:15,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3806209c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:24:15, skipping insertion in model container [2024-02-07 19:24:15,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:24:15" (2/2) ... [2024-02-07 19:24:15,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e5787c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:15, skipping insertion in model container [2024-02-07 19:24:15,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:24:15" (2/2) ... [2024-02-07 19:24:15,392 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:24:15,526 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:24:15,527 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:24:15,527 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:15,528 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] (z$r_buff1_thd3 == (_Bool)0) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:24:15,528 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:24:15,528 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 19:24:15,528 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:15,528 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] 1 <= __unbuffered_cnt [2024-02-07 19:24:15,528 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:15,528 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] y == 1 [2024-02-07 19:24:15,529 INFO L76 edCorrectnessWitness]: Location invariant before [L887-L887] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (x == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((y == 2 && ((__unbuffered_p2_EAX == 2 && ((__unbuffered_p2_EBX == 0 && (__unbuffered_p3_EAX == 1 || ((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 1) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((0 <= __unbuffered_p2_EBX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EBX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p2_EBX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EAX <= 2) && __unbuffered_p2_EAX <= 127) && __unbuffered_p2_EBX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)))) || (((((((((((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p2_EBX) && 0 <= __unbuffered_p3_EAX) && 0 <= y) && __unbuffered_p2_EAX <= 2) && __unbuffered_p2_EAX <= 127) && __unbuffered_p2_EBX <= 1) && __unbuffered_p3_EAX <= 1) && y <= 2) && y <= 127) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((y == 0 || y == 1) || y == 2))) [2024-02-07 19:24:15,529 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 19:24:15,529 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:24:15,529 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:24:15,529 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 19:24:15,529 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:15,529 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) [2024-02-07 19:24:15,529 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] x == 2 [2024-02-07 19:24:15,530 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 19:24:15,530 INFO L76 edCorrectnessWitness]: Location invariant before [L888-L888] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:24:15,530 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:24:15,530 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] (z$r_buff1_thd0 == (_Bool)0 && z$w_buff1_used == (_Bool)1) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 19:24:15,530 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:24:15,530 INFO L76 edCorrectnessWitness]: Location invariant before [L850-L850] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 19:24:15,531 INFO L76 edCorrectnessWitness]: Location invariant before [L753-L753] a == 1 [2024-02-07 19:24:15,531 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:24:15,531 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:24:15,531 INFO L76 edCorrectnessWitness]: Location invariant before [L883-L883] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 19:24:15,531 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] x == 1 [2024-02-07 19:24:15,531 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 19:24:15,531 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] z$flush_delayed == (_Bool)0 [2024-02-07 19:24:15,531 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] 0 <= __unbuffered_cnt [2024-02-07 19:24:15,532 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] 1 <= __unbuffered_cnt [2024-02-07 19:24:15,532 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:15,532 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:15,532 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:15,532 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] ((((z$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$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:15,533 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 19:24:15,533 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] y == 2 [2024-02-07 19:24:15,534 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (z$r_buff0_thd1 == (_Bool)0) && (z$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:24:15,534 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 19:24:15,534 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] z$flush_delayed == (_Bool)0 [2024-02-07 19:24:15,534 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] (z$r_buff0_thd2 == (_Bool)0) && (z$r_buff1_thd1 == (_Bool)0) [2024-02-07 19:24:15,534 INFO L76 edCorrectnessWitness]: Location invariant before [L889-L889] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:24:15,534 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:15,534 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 19:24:15,534 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] (((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2) [2024-02-07 19:24:15,535 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:24:15,535 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:24:15,535 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] 0 <= __unbuffered_cnt [2024-02-07 19:24:15,535 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 19:24:15,535 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] (z$r_buff0_thd3 == (_Bool)0) && (z$r_buff1_thd2 == (_Bool)0) [2024-02-07 19:24:15,536 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)1) [2024-02-07 19:24:15,536 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] z$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:24:15,536 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] (((0 <= z) && (z <= 1)) && (z$r_buff1_thd3 == (_Bool)0)) && (z == 0 || z == 1) [2024-02-07 19:24:15,536 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] z$r_buff0_thd4 == (_Bool)1 [2024-02-07 19:24:15,537 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:24:15,537 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] ((0 <= z$w_buff0) && (z$w_buff0 <= 1)) && (z$w_buff0 == 0 || z$w_buff0 == 1) [2024-02-07 19:24:15,537 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] ((0 <= z$w_buff1) && (z$w_buff1 <= 1)) && (z$w_buff1 == 0 || z$w_buff1 == 1) [2024-02-07 19:24:15,538 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] 1 <= __unbuffered_cnt [2024-02-07 19:24:15,538 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] 1 <= __unbuffered_cnt [2024-02-07 19:24:15,538 INFO L76 edCorrectnessWitness]: Location invariant before [L885-L885] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:24:15,538 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:15,538 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:15,538 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] (z$w_buff0 == 1) && (z$w_buff0_used == (_Bool)0 || z$w_buff0_used == (_Bool)1) [2024-02-07 19:24:15,538 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] 0 <= __unbuffered_cnt [2024-02-07 19:24:15,538 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 19:24:15,539 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] 0 <= __unbuffered_cnt [2024-02-07 19:24:15,539 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1 [2024-02-07 19:24:15,539 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] ((((z$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$w_buff1_used == (_Bool)1)) [2024-02-07 19:24:15,539 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:24:15,539 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] 0 <= __unbuffered_cnt [2024-02-07 19:24:15,539 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] (z$w_buff1_used == (_Bool)1 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) [2024-02-07 19:24:15,539 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:24:15,539 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 19:24:15,576 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:24:15,721 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/mix008.opt.i[944,957] [2024-02-07 19:24:15,874 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:24:15,886 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:24:15,916 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/mix008.opt.i[944,957] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:24:16,068 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:24:16,118 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:24:16,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:16 WrapperNode [2024-02-07 19:24:16,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:24:16,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:24:16,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:24:16,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:24:16,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:16" (1/1) ... [2024-02-07 19:24:16,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:16" (1/1) ... [2024-02-07 19:24:16,183 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 213 [2024-02-07 19:24:16,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:24:16,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:24:16,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:24:16,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:24:16,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:16" (1/1) ... [2024-02-07 19:24:16,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:16" (1/1) ... [2024-02-07 19:24:16,211 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:16" (1/1) ... [2024-02-07 19:24:16,230 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 19:24:16,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:16" (1/1) ... [2024-02-07 19:24:16,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:16" (1/1) ... [2024-02-07 19:24:16,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:16" (1/1) ... [2024-02-07 19:24:16,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:16" (1/1) ... [2024-02-07 19:24:16,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:16" (1/1) ... [2024-02-07 19:24:16,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:16" (1/1) ... [2024-02-07 19:24:16,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:24:16,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:24:16,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:24:16,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:24:16,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:16" (1/1) ... [2024-02-07 19:24:16,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:24:16,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:24:16,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 19:24:16,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 19:24:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:24:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:24:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:24:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:24:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:24:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:24:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:24:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:24:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:24:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:24:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:24:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:24:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:24:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:24:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:24:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:24:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:24:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:24:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:24:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:24:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:24:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:24:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:24:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:24:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:24:16,400 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:24:16,544 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:24:16,546 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:24:16,998 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:24:16,998 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:24:17,423 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:24:17,424 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:24:17,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:24:17 BoogieIcfgContainer [2024-02-07 19:24:17,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:24:17,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:24:17,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:24:17,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:24:17,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:24:14" (1/4) ... [2024-02-07 19:24:17,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760d918b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:24:17, skipping insertion in model container [2024-02-07 19:24:17,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:24:15" (2/4) ... [2024-02-07 19:24:17,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760d918b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:24:17, skipping insertion in model container [2024-02-07 19:24:17,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:24:16" (3/4) ... [2024-02-07 19:24:17,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760d918b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:24:17, skipping insertion in model container [2024-02-07 19:24:17,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:24:17" (4/4) ... [2024-02-07 19:24:17,432 INFO L112 eAbstractionObserver]: Analyzing ICFG mix008.opt.i [2024-02-07 19:24:17,446 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:24:17,447 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2024-02-07 19:24:17,447 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:24:17,564 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:24:17,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 138 places, 126 transitions, 268 flow [2024-02-07 19:24:17,636 INFO L124 PetriNetUnfolderBase]: 1/122 cut-off events. [2024-02-07 19:24:17,637 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:24:17,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 122 events. 1/122 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 683 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 126. Up to 2 conditions per place. [2024-02-07 19:24:17,642 INFO L82 GeneralOperation]: Start removeDead. Operand has 138 places, 126 transitions, 268 flow [2024-02-07 19:24:17,646 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 134 places, 122 transitions, 256 flow [2024-02-07 19:24:17,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:24:17,657 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;@588eb622, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:24:17,657 INFO L358 AbstractCegarLoop]: Starting to check reachability of 144 error locations. [2024-02-07 19:24:17,659 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:24:17,659 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-02-07 19:24:17,659 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:24:17,660 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:24:17,660 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:24:17,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 141 more)] === [2024-02-07 19:24:17,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:24:17,664 INFO L85 PathProgramCache]: Analyzing trace with hash 26964701, now seen corresponding path program 1 times [2024-02-07 19:24:17,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:24:17,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037703609] [2024-02-07 19:24:17,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:24:17,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:24:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:24:17,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:24:17,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:24:17,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037703609] [2024-02-07 19:24:17,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037703609] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:24:17,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:24:17,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:24:17,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662764684] [2024-02-07 19:24:17,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:24:17,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 19:24:17,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:24:17,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 19:24:17,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 19:24:17,871 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 126 [2024-02-07 19:24:17,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 122 transitions, 256 flow. Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:24:17,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:24:17,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 126 [2024-02-07 19:24:17,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:24:29,630 INFO L124 PetriNetUnfolderBase]: 111455/161857 cut-off events. [2024-02-07 19:24:29,630 INFO L125 PetriNetUnfolderBase]: For 484/484 co-relation queries the response was YES. [2024-02-07 19:24:29,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308265 conditions, 161857 events. 111455/161857 cut-off events. For 484/484 co-relation queries the response was YES. Maximal size of possible extension queue 7761. Compared 1368785 event pairs, 111455 based on Foata normal form. 2520/96291 useless extension candidates. Maximal degree in co-relation 308253. Up to 145309 conditions per place. [2024-02-07 19:24:30,631 INFO L140 encePairwiseOnDemand]: 93/126 looper letters, 47 selfloop transitions, 0 changer transitions 0/61 dead transitions. [2024-02-07 19:24:30,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 61 transitions, 228 flow [2024-02-07 19:24:30,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 19:24:30,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 19:24:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 116 transitions. [2024-02-07 19:24:30,641 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4603174603174603 [2024-02-07 19:24:30,642 INFO L175 Difference]: Start difference. First operand has 134 places, 122 transitions, 256 flow. Second operand 2 states and 116 transitions. [2024-02-07 19:24:30,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 61 transitions, 228 flow [2024-02-07 19:24:30,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 61 transitions, 224 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 19:24:30,659 INFO L231 Difference]: Finished difference. Result has 71 places, 61 transitions, 130 flow [2024-02-07 19:24:30,660 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=130, PETRI_PLACES=71, PETRI_TRANSITIONS=61} [2024-02-07 19:24:30,664 INFO L281 CegarLoopForPetriNet]: 134 programPoint places, -63 predicate places. [2024-02-07 19:24:30,664 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 61 transitions, 130 flow [2024-02-07 19:24:30,664 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 19:24:30,664 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:24:30,665 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:24:30,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:24:30,665 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 141 more)] === [2024-02-07 19:24:30,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:24:30,666 INFO L85 PathProgramCache]: Analyzing trace with hash 147481418, now seen corresponding path program 1 times [2024-02-07 19:24:30,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:24:30,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204971091] [2024-02-07 19:24:30,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:24:30,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:24:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:24:30,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:24:30,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:24:30,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204971091] [2024-02-07 19:24:30,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204971091] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:24:30,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:24:30,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:24:30,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667044798] [2024-02-07 19:24:30,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:24:30,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:24:30,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:24:30,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:24:30,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:24:30,729 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 126 [2024-02-07 19:24:30,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 61 transitions, 130 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 19:24:30,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:24:30,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 126 [2024-02-07 19:24:30,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:24:38,740 INFO L124 PetriNetUnfolderBase]: 86480/116937 cut-off events. [2024-02-07 19:24:38,740 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:24:38,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231423 conditions, 116937 events. 86480/116937 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5712. Compared 839407 event pairs, 26412 based on Foata normal form. 0/70834 useless extension candidates. Maximal degree in co-relation 231420. Up to 89379 conditions per place. [2024-02-07 19:24:39,423 INFO L140 encePairwiseOnDemand]: 118/126 looper letters, 81 selfloop transitions, 4 changer transitions 0/99 dead transitions. [2024-02-07 19:24:39,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 99 transitions, 382 flow [2024-02-07 19:24:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:24:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:24:39,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 143 transitions. [2024-02-07 19:24:39,429 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3783068783068783 [2024-02-07 19:24:39,429 INFO L175 Difference]: Start difference. First operand has 71 places, 61 transitions, 130 flow. Second operand 3 states and 143 transitions. [2024-02-07 19:24:39,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 99 transitions, 382 flow [2024-02-07 19:24:39,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 99 transitions, 382 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 19:24:39,432 INFO L231 Difference]: Finished difference. Result has 74 places, 64 transitions, 162 flow [2024-02-07 19:24:39,432 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=74, PETRI_TRANSITIONS=64} [2024-02-07 19:24:39,433 INFO L281 CegarLoopForPetriNet]: 134 programPoint places, -60 predicate places. [2024-02-07 19:24:39,433 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 64 transitions, 162 flow [2024-02-07 19:24:39,434 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 19:24:39,434 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:24:39,434 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:24:39,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:24:39,434 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 141 more)] === [2024-02-07 19:24:39,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:24:39,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1576714669, now seen corresponding path program 1 times [2024-02-07 19:24:39,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:24:39,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491143144] [2024-02-07 19:24:39,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:24:39,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:24:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:24:39,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:24:39,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:24:39,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491143144] [2024-02-07 19:24:39,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491143144] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:24:39,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:24:39,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 19:24:39,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718315909] [2024-02-07 19:24:39,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:24:39,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:24:39,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:24:39,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:24:39,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:24:39,558 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 126 [2024-02-07 19:24:39,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 64 transitions, 162 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 19:24:39,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:24:39,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 126 [2024-02-07 19:24:39,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand