./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe012_tso.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 59af5db6 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/safe012_tso.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe012_tso.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-59af5db-m [2024-02-02 09:13:32,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:13:32,347 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:13:32,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:13:32,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:13:32,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:13:32,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:13:32,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:13:32,376 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:13:32,379 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:13:32,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:13:32,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:13:32,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:13:32,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:13:32,382 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:13:32,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:13:32,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:13:32,382 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:13:32,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:13:32,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:13:32,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:13:32,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:13:32,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:13:32,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:13:32,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:13:32,384 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:13:32,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:13:32,384 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:13:32,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:13:32,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:13:32,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:13:32,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:13:32,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:13:32,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:13:32,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:13:32,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:13:32,387 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:13:32,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:13:32,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:13:32,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:13:32,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:13:32,388 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:13:32,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:13:32,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:13:32,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:13:32,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:13:32,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:13:32,652 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:13:32,652 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:13:32,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.i [2024-02-02 09:13:33,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:13:33,928 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:13:33,929 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_tso.i [2024-02-02 09:13:33,939 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7af612bfe/5f7f7bc1b9e640499054d0100fe71f3e/FLAGcb3fdc389 [2024-02-02 09:13:33,953 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7af612bfe/5f7f7bc1b9e640499054d0100fe71f3e [2024-02-02 09:13:33,955 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:13:33,956 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:13:33,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe012_tso.yml/witness.yml [2024-02-02 09:13:34,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:13:34,169 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:13:34,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:13:34,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:13:34,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:13:34,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:13:33" (1/2) ... [2024-02-02 09:13:34,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebef849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:34, skipping insertion in model container [2024-02-02 09:13:34,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:13:33" (1/2) ... [2024-02-02 09:13:34,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@725d0380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:34, skipping insertion in model container [2024-02-02 09:13:34,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:13:34" (2/2) ... [2024-02-02 09:13:34,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebef849 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:34, skipping insertion in model container [2024-02-02 09:13:34,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:13:34" (2/2) ... [2024-02-02 09:13:34,230 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:13:34,575 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:13:34,577 INFO L101 nessWitnessExtractor]: Location invariant before [L748-L748] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,577 INFO L101 nessWitnessExtractor]: Location invariant before [L749-L749] (unsigned long )arg == 0UL [2024-02-02 09:13:34,577 INFO L101 nessWitnessExtractor]: Location invariant before [L763-L763] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,577 INFO L101 nessWitnessExtractor]: Location invariant before [L766-L766] (((((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,577 INFO L101 nessWitnessExtractor]: Location invariant before [L747-L747] (unsigned long )arg == 0UL [2024-02-02 09:13:34,578 INFO L101 nessWitnessExtractor]: Location invariant before [L742-L742] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,578 INFO L101 nessWitnessExtractor]: Location invariant before [L751-L751] (((((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,578 INFO L101 nessWitnessExtractor]: Location invariant before [L736-L736] (((((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,578 INFO L101 nessWitnessExtractor]: Location invariant before [L760-L760] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,578 INFO L101 nessWitnessExtractor]: Location invariant before [L726-L726] (unsigned long )arg == 0UL [2024-02-02 09:13:34,579 INFO L101 nessWitnessExtractor]: Location invariant before [L729-L729] (unsigned long )arg == 0UL [2024-02-02 09:13:34,579 INFO L101 nessWitnessExtractor]: Location invariant before [L781-L781] ((((((((__unbuffered_cnt == 0) && (__unbuffered_p0_EAX == 0)) && (__unbuffered_p0_EBX == 0)) && (__unbuffered_p2_EAX == 0)) && (main$tmp_guard0 == (_Bool)0)) && (main$tmp_guard1 == (_Bool)0)) && (x == 0)) && (y == 0)) && (z == 0) [2024-02-02 09:13:34,579 INFO L101 nessWitnessExtractor]: Location invariant before [L752-L752] (unsigned long )arg == 0UL [2024-02-02 09:13:34,579 INFO L101 nessWitnessExtractor]: Location invariant before [L787-L787] ((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,579 INFO L101 nessWitnessExtractor]: Location invariant before [L746-L746] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (z <= 1)) && (y == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,579 INFO L101 nessWitnessExtractor]: Location invariant before [L761-L761] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1) [2024-02-02 09:13:34,579 INFO L101 nessWitnessExtractor]: Location invariant before [L744-L744] (unsigned long )arg == 0UL [2024-02-02 09:13:34,580 INFO L101 nessWitnessExtractor]: Location invariant before [L758-L758] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,580 INFO L101 nessWitnessExtractor]: Location invariant before [L764-L764] (unsigned long )arg == 0UL [2024-02-02 09:13:34,580 INFO L101 nessWitnessExtractor]: Location invariant before [L734-L734] (unsigned long )arg == 0UL [2024-02-02 09:13:34,580 INFO L101 nessWitnessExtractor]: Location invariant before [L741-L741] (unsigned long )arg == 0UL [2024-02-02 09:13:34,580 INFO L101 nessWitnessExtractor]: Location invariant before [L756-L756] (unsigned long )arg == 0UL [2024-02-02 09:13:34,581 INFO L101 nessWitnessExtractor]: Location invariant before [L750-L750] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,581 INFO L101 nessWitnessExtractor]: Location invariant before [L765-L765] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,581 INFO L101 nessWitnessExtractor]: Location invariant before [L794-L794] ((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,581 INFO L101 nessWitnessExtractor]: Location invariant before [L731-L731] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,581 INFO L101 nessWitnessExtractor]: Location invariant before [L745-L745] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,581 INFO L101 nessWitnessExtractor]: Location invariant before [L730-L730] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,581 INFO L101 nessWitnessExtractor]: Location invariant before [L757-L757] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,582 INFO L101 nessWitnessExtractor]: Location invariant before [L759-L759] (unsigned long )arg == 0UL [2024-02-02 09:13:34,582 INFO L101 nessWitnessExtractor]: Location invariant before [L732-L732] (unsigned long )arg == 0UL [2024-02-02 09:13:34,582 INFO L101 nessWitnessExtractor]: Location invariant before [L728-L728] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,582 INFO L101 nessWitnessExtractor]: Location invariant before [L743-L743] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (y <= 1)) && (z <= 1)) && (x == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,582 INFO L101 nessWitnessExtractor]: Location invariant before [L727-L727] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,582 INFO L101 nessWitnessExtractor]: Location invariant before [L788-L788] ((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,582 INFO L101 nessWitnessExtractor]: Location invariant before [L735-L735] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,583 INFO L101 nessWitnessExtractor]: Location invariant before [L733-L733] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,583 INFO L101 nessWitnessExtractor]: Location invariant before [L762-L762] (unsigned long )arg == 0UL [2024-02-02 09:13:34,583 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] ((((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1)) && (expression == 1)) && (expression == 0) [2024-02-02 09:13:34,583 INFO L101 nessWitnessExtractor]: Location invariant before [L767-L767] (unsigned long )arg == 0UL [2024-02-02 09:13:34,583 INFO L101 nessWitnessExtractor]: Location invariant before [L793-L793] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && (__unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || ((0 <= __unbuffered_p0_EBX && __unbuffered_p0_EBX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)))) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,583 INFO L101 nessWitnessExtractor]: Location invariant before [L791-L791] ((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-02-02 09:13:34,583 INFO L101 nessWitnessExtractor]: Location invariant before [L737-L737] (unsigned long )arg == 0UL [2024-02-02 09:13:34,619 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:13:34,745 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/safe012_tso.i[945,958] [2024-02-02 09:13:34,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:13:34,863 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:13:34,871 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/safe012_tso.i[945,958] [2024-02-02 09:13:34,872 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int expression) { if (!expression) { ERROR: {reach_error();abort();} }; return; } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-02 09:13:35,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:13:35,044 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:13:35,044 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:35 WrapperNode [2024-02-02 09:13:35,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:13:35,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:13:35,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:13:35,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:13:35,051 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 02.02 09:13:35" (1/1) ... [2024-02-02 09:13:35,085 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 02.02 09:13:35" (1/1) ... [2024-02-02 09:13:35,104 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2024-02-02 09:13:35,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:13:35,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:13:35,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:13:35,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:13:35,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:35" (1/1) ... [2024-02-02 09:13:35,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:35" (1/1) ... [2024-02-02 09:13:35,128 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:35" (1/1) ... [2024-02-02 09:13:35,144 INFO L175 MemorySlicer]: Split 5 memory accesses to 4 slices as follows [2, 1, 1, 1]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-02 09:13:35,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:35" (1/1) ... [2024-02-02 09:13:35,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:35" (1/1) ... [2024-02-02 09:13:35,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:35" (1/1) ... [2024-02-02 09:13:35,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:35" (1/1) ... [2024-02-02 09:13:35,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:35" (1/1) ... [2024-02-02 09:13:35,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:35" (1/1) ... [2024-02-02 09:13:35,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:13:35,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:13:35,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:13:35,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:13:35,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:35" (1/1) ... [2024-02-02 09:13:35,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:13:35,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:13:35,202 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) [2024-02-02 09:13:35,224 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 [2024-02-02 09:13:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:13:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:13:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:13:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-02 09:13:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:13:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:13:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:13:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:13:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-02 09:13:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-02 09:13:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-02 09:13:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-02 09:13:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-02 09:13:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-02 09:13:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:13:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:13:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:13:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-02 09:13:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:13:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:13:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:13:35,243 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:13:35,362 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:13:35,364 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:13:35,926 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:13:35,926 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:13:36,096 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:13:36,097 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-02 09:13:36,097 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:13:36 BoogieIcfgContainer [2024-02-02 09:13:36,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:13:36,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:13:36,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:13:36,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:13:36,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:13:33" (1/4) ... [2024-02-02 09:13:36,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc0847a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:13:36, skipping insertion in model container [2024-02-02 09:13:36,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:13:34" (2/4) ... [2024-02-02 09:13:36,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc0847a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:13:36, skipping insertion in model container [2024-02-02 09:13:36,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:35" (3/4) ... [2024-02-02 09:13:36,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc0847a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:13:36, skipping insertion in model container [2024-02-02 09:13:36,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:13:36" (4/4) ... [2024-02-02 09:13:36,105 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_tso.i [2024-02-02 09:13:36,123 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:13:36,123 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2024-02-02 09:13:36,124 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:13:36,220 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-02 09:13:36,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 93 transitions, 198 flow [2024-02-02 09:13:36,276 INFO L124 PetriNetUnfolderBase]: 1/90 cut-off events. [2024-02-02 09:13:36,276 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:13:36,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 90 events. 1/90 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 364 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2024-02-02 09:13:36,280 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 93 transitions, 198 flow [2024-02-02 09:13:36,283 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 90 transitions, 189 flow [2024-02-02 09:13:36,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:13:36,295 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;@13ded8b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:13:36,295 INFO L358 AbstractCegarLoop]: Starting to check reachability of 82 error locations. [2024-02-02 09:13:36,296 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:13:36,297 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:13:36,297 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:13:36,297 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:13:36,297 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:13:36,298 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-02-02 09:13:36,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:13:36,301 INFO L85 PathProgramCache]: Analyzing trace with hash 12952, now seen corresponding path program 1 times [2024-02-02 09:13:36,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:13:36,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088755541] [2024-02-02 09:13:36,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:13:36,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:13:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:13:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:13:36,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:13:36,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088755541] [2024-02-02 09:13:36,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088755541] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:13:36,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:13:36,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:13:36,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964016558] [2024-02-02 09:13:36,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:13:36,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:13:36,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:13:36,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:13:36,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:13:36,626 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 93 [2024-02-02 09:13:36,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 90 transitions, 189 flow. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-02-02 09:13:36,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:13:36,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 93 [2024-02-02 09:13:36,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:13:41,899 INFO L124 PetriNetUnfolderBase]: 27543/44642 cut-off events. [2024-02-02 09:13:41,900 INFO L125 PetriNetUnfolderBase]: For 86/86 co-relation queries the response was YES. [2024-02-02 09:13:41,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83122 conditions, 44642 events. 27543/44642 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 2275. Compared 403882 event pairs, 13983 based on Foata normal form. 1000/27829 useless extension candidates. Maximal degree in co-relation 83109. Up to 37609 conditions per place. [2024-02-02 09:13:42,263 INFO L140 encePairwiseOnDemand]: 74/93 looper letters, 60 selfloop transitions, 4 changer transitions 0/97 dead transitions. [2024-02-02 09:13:42,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 97 transitions, 337 flow [2024-02-02 09:13:42,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:13:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:13:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2024-02-02 09:13:42,274 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6953405017921147 [2024-02-02 09:13:42,276 INFO L175 Difference]: Start difference. First operand has 99 places, 90 transitions, 189 flow. Second operand 3 states and 194 transitions. [2024-02-02 09:13:42,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 97 transitions, 337 flow [2024-02-02 09:13:42,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 97 transitions, 332 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-02 09:13:42,286 INFO L231 Difference]: Finished difference. Result has 87 places, 80 transitions, 188 flow [2024-02-02 09:13:42,287 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=87, PETRI_TRANSITIONS=80} [2024-02-02 09:13:42,292 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -12 predicate places. [2024-02-02 09:13:42,294 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 80 transitions, 188 flow [2024-02-02 09:13:42,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-02-02 09:13:42,294 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:13:42,295 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-02 09:13:42,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:13:42,300 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-02-02 09:13:42,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:13:42,301 INFO L85 PathProgramCache]: Analyzing trace with hash 386363150, now seen corresponding path program 1 times [2024-02-02 09:13:42,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:13:42,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073404325] [2024-02-02 09:13:42,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:13:42,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:13:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:13:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:13:42,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:13:42,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073404325] [2024-02-02 09:13:42,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073404325] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:13:42,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:13:42,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:13:42,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455207915] [2024-02-02 09:13:42,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:13:42,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:13:42,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:13:42,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:13:42,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:13:42,397 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 93 [2024-02-02 09:13:42,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 80 transitions, 188 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 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) [2024-02-02 09:13:42,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:13:42,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 93 [2024-02-02 09:13:42,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:13:47,827 INFO L124 PetriNetUnfolderBase]: 30371/46765 cut-off events. [2024-02-02 09:13:47,827 INFO L125 PetriNetUnfolderBase]: For 4561/4561 co-relation queries the response was YES. [2024-02-02 09:13:47,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94487 conditions, 46765 events. 30371/46765 cut-off events. For 4561/4561 co-relation queries the response was YES. Maximal size of possible extension queue 2202. Compared 410003 event pairs, 1769 based on Foata normal form. 4232/38365 useless extension candidates. Maximal degree in co-relation 94474. Up to 39308 conditions per place. [2024-02-02 09:13:48,122 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 80 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2024-02-02 09:13:48,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 109 transitions, 428 flow [2024-02-02 09:13:48,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:13:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:13:48,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 206 transitions. [2024-02-02 09:13:48,129 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.553763440860215 [2024-02-02 09:13:48,130 INFO L175 Difference]: Start difference. First operand has 87 places, 80 transitions, 188 flow. Second operand 4 states and 206 transitions. [2024-02-02 09:13:48,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 109 transitions, 428 flow [2024-02-02 09:13:48,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 109 transitions, 422 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-02 09:13:48,133 INFO L231 Difference]: Finished difference. Result has 84 places, 75 transitions, 178 flow [2024-02-02 09:13:48,134 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=178, PETRI_PLACES=84, PETRI_TRANSITIONS=75} [2024-02-02 09:13:48,134 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -15 predicate places. [2024-02-02 09:13:48,134 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 75 transitions, 178 flow [2024-02-02 09:13:48,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 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) [2024-02-02 09:13:48,135 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:13:48,135 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-02 09:13:48,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:13:48,135 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-02-02 09:13:48,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:13:48,145 INFO L85 PathProgramCache]: Analyzing trace with hash -907643789, now seen corresponding path program 1 times [2024-02-02 09:13:48,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:13:48,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989445092] [2024-02-02 09:13:48,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:13:48,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:13:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:13:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:13:48,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:13:48,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989445092] [2024-02-02 09:13:48,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989445092] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:13:48,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:13:48,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:13:48,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469144822] [2024-02-02 09:13:48,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:13:48,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-02-02 09:13:48,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:13:48,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-02-02 09:13:48,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-02-02 09:13:48,489 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 93 [2024-02-02 09:13:48,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 75 transitions, 178 flow. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 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) [2024-02-02 09:13:48,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:13:48,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 93 [2024-02-02 09:13:48,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:13:54,894 INFO L124 PetriNetUnfolderBase]: 41387/64340 cut-off events. [2024-02-02 09:13:54,894 INFO L125 PetriNetUnfolderBase]: For 6482/6482 co-relation queries the response was YES. [2024-02-02 09:13:55,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129455 conditions, 64340 events. 41387/64340 cut-off events. For 6482/6482 co-relation queries the response was YES. Maximal size of possible extension queue 3164. Compared 567878 event pairs, 23353 based on Foata normal form. 30/45473 useless extension candidates. Maximal degree in co-relation 129441. Up to 56539 conditions per place. [2024-02-02 09:13:55,341 INFO L140 encePairwiseOnDemand]: 84/93 looper letters, 75 selfloop transitions, 7 changer transitions 0/105 dead transitions. [2024-02-02 09:13:55,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 105 transitions, 416 flow [2024-02-02 09:13:55,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:13:55,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:13:55,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 190 transitions. [2024-02-02 09:13:55,342 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.510752688172043 [2024-02-02 09:13:55,343 INFO L175 Difference]: Start difference. First operand has 84 places, 75 transitions, 178 flow. Second operand 4 states and 190 transitions. [2024-02-02 09:13:55,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 105 transitions, 416 flow [2024-02-02 09:13:55,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 105 transitions, 412 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:13:55,347 INFO L231 Difference]: Finished difference. Result has 87 places, 78 transitions, 217 flow [2024-02-02 09:13:55,348 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=217, PETRI_PLACES=87, PETRI_TRANSITIONS=78} [2024-02-02 09:13:55,349 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -12 predicate places. [2024-02-02 09:13:55,349 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 78 transitions, 217 flow [2024-02-02 09:13:55,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 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) [2024-02-02 09:13:55,350 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:13:55,350 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:13:55,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-02 09:13:55,350 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-02-02 09:13:55,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:13:55,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1927668568, now seen corresponding path program 1 times [2024-02-02 09:13:55,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:13:55,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813707243] [2024-02-02 09:13:55,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:13:55,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:13:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:13:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:13:55,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:13:55,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813707243] [2024-02-02 09:13:55,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813707243] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:13:55,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:13:55,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:13:55,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177358227] [2024-02-02 09:13:55,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:13:55,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:13:55,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:13:55,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:13:55,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:13:55,457 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 93 [2024-02-02 09:13:55,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 78 transitions, 217 flow. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2024-02-02 09:13:55,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:13:55,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 93 [2024-02-02 09:13:55,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:14:01,043 INFO L124 PetriNetUnfolderBase]: 31232/49290 cut-off events. [2024-02-02 09:14:01,043 INFO L125 PetriNetUnfolderBase]: For 9089/9131 co-relation queries the response was YES. [2024-02-02 09:14:01,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103254 conditions, 49290 events. 31232/49290 cut-off events. For 9089/9131 co-relation queries the response was YES. Maximal size of possible extension queue 2415. Compared 430073 event pairs, 19267 based on Foata normal form. 4612/42160 useless extension candidates. Maximal degree in co-relation 103238. Up to 41460 conditions per place. [2024-02-02 09:14:01,598 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 86 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2024-02-02 09:14:01,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 111 transitions, 497 flow [2024-02-02 09:14:01,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:14:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:14:01,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 209 transitions. [2024-02-02 09:14:01,603 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5618279569892473 [2024-02-02 09:14:01,604 INFO L175 Difference]: Start difference. First operand has 87 places, 78 transitions, 217 flow. Second operand 4 states and 209 transitions. [2024-02-02 09:14:01,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 111 transitions, 497 flow [2024-02-02 09:14:01,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 111 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:14:01,609 INFO L231 Difference]: Finished difference. Result has 83 places, 73 transitions, 199 flow [2024-02-02 09:14:01,609 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=199, PETRI_PLACES=83, PETRI_TRANSITIONS=73} [2024-02-02 09:14:01,611 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -16 predicate places. [2024-02-02 09:14:01,611 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 73 transitions, 199 flow [2024-02-02 09:14:01,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2024-02-02 09:14:01,612 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:14:01,612 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:14:01,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-02 09:14:01,612 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-02-02 09:14:01,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:14:01,613 INFO L85 PathProgramCache]: Analyzing trace with hash -371816065, now seen corresponding path program 1 times [2024-02-02 09:14:01,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:14:01,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327304227] [2024-02-02 09:14:01,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:14:01,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:14:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:14:01,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:14:01,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:14:01,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327304227] [2024-02-02 09:14:01,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327304227] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:14:01,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:14:01,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:14:01,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145290950] [2024-02-02 09:14:01,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:14:01,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-02-02 09:14:01,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:14:01,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-02-02 09:14:01,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-02-02 09:14:01,906 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 93 [2024-02-02 09:14:01,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 73 transitions, 199 flow. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 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) [2024-02-02 09:14:01,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:14:01,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 93 [2024-02-02 09:14:01,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand