./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.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/37_stack_lock_p0_vs_concur.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3d25acf6 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-ext/37_stack_lock_p0_vs_concur.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/37_stack_lock_p0_vs_concur.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-3d25acf-m [2024-01-30 14:16:36,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:16:36,320 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:16:36,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:16:36,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:16:36,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:16:36,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:16:36,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:16:36,377 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:16:36,384 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:16:36,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:16:36,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:16:36,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:16:36,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:16:36,385 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:16:36,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:16:36,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:16:36,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:16:36,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:16:36,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:16:36,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:16:36,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:16:36,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:16:36,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:16:36,387 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:16:36,388 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:16:36,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:16:36,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:16:36,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:16:36,389 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:16:36,389 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:16:36,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:16:36,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:16:36,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:16:36,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:16:36,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:16:36,391 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:16:36,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:16:36,391 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:16:36,391 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:16:36,391 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:16:36,392 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:16:36,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:16:36,392 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:16:36,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:16:36,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:16:36,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:16:36,640 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:16:36,640 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:16:36,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.i [2024-01-30 14:16:37,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:16:38,129 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:16:38,139 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.i [2024-01-30 14:16:38,155 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a773776/47106e89b46145acb8baeafe1d1fa97c/FLAG9aafd20e9 [2024-01-30 14:16:38,169 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a773776/47106e89b46145acb8baeafe1d1fa97c [2024-01-30 14:16:38,171 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:16:38,171 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:16:38,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/37_stack_lock_p0_vs_concur.yml/witness.yml [2024-01-30 14:16:38,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:16:38,318 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:16:38,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:16:38,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:16:38,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:16:38,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:16:38" (1/2) ... [2024-01-30 14:16:38,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e623d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:16:38, skipping insertion in model container [2024-01-30 14:16:38,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:16:38" (1/2) ... [2024-01-30 14:16:38,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e7eebfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:16:38, skipping insertion in model container [2024-01-30 14:16:38,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:16:38" (2/2) ... [2024-01-30 14:16:38,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e623d77 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:38, skipping insertion in model container [2024-01-30 14:16:38,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:16:38" (2/2) ... [2024-01-30 14:16:38,326 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:16:38,494 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:16:38,495 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] ((((((0 <= oldTop) && (1 <= newTop)) && (oldTop <= 64)) && (newTop <= 64)) && (10 == d)) && (d == 10)) && (newTop != 0) [2024-01-30 14:16:38,495 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] ((((((((((((((((0 <= m) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top == 0)) && (next_alloc_idx % 2 == 1)) && ((unsigned long )arg == 0UL)) && (m == 0 || m == 1)) && (0 <= m)) && (0 <= top)) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top <= 64)) && (next_alloc_idx % 2 == 1)) && ((unsigned long )arg == 0UL)) && (m == 0 || m == 1) [2024-01-30 14:16:38,496 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] (((((((((0 <= m) && (1 <= next_alloc_idx)) && (1 <= top)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top <= 64)) && (next_alloc_idx % 2 == 1)) && ((unsigned long )arg == 0UL)) && (top != 0)) && (m == 0 || m == 1) [2024-01-30 14:16:38,496 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] ((((((((((((((((0 <= m) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top == 0)) && (next_alloc_idx % 2 == 1)) && ((unsigned long )arg == 0UL)) && (m == 0 || m == 1)) && (0 <= m)) && (0 <= top)) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top <= 64)) && (next_alloc_idx % 2 == 1)) && ((unsigned long )arg == 0UL)) && (m == 0 || m == 1) [2024-01-30 14:16:38,496 INFO L98 nessWitnessExtractor]: Location invariant before [L712-L723] (((((((((0 <= newTop) && (newTop <= 64)) && ((-9LL + (long long )d) + (long long )oldTop >= 0LL)) && ((11LL - (long long )d) + (long long )oldTop >= 0LL)) && ((-11LL + (long long )d) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )oldTop >= 0LL)) && (-1 == oldTop)) && (10 == d)) && (d == 10)) && (oldTop == -1) [2024-01-30 14:16:38,497 INFO L98 nessWitnessExtractor]: Location invariant before [L722-L722] ((((((0 <= oldTop) && (1 <= newTop)) && (oldTop <= 64)) && (newTop <= 64)) && (10 == d)) && (d == 10)) && (newTop != 0) [2024-01-30 14:16:38,497 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] (((((((0 <= m) && (0 <= top)) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top <= 64)) && (next_alloc_idx % 2 == 1)) && (m == 0 || m == 1) [2024-01-30 14:16:38,497 INFO L98 nessWitnessExtractor]: Location invariant after [L694-L698] (((((0 <= top) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (top <= 64)) && (m == 1)) && (next_alloc_idx % 2 == 1) [2024-01-30 14:16:38,498 INFO L98 nessWitnessExtractor]: Location invariant before [L713-L713] (((((((((((((((((-10LL + (long long )d) + (long long )newTop >= 0LL) && ((-9LL + (long long )d) + (long long )oldTop >= 0LL)) && ((1LL + (long long )newTop) + (long long )oldTop >= 0LL)) && ((1LL - (long long )newTop) + (long long )oldTop >= 0LL)) && ((10LL - (long long )d) + (long long )newTop >= 0LL)) && ((11LL - (long long )d) + (long long )oldTop >= 0LL)) && ((-11LL + (long long )d) - (long long )oldTop >= 0LL)) && ((-10LL + (long long )d) - (long long )newTop >= 0LL)) && ((-1LL + (long long )newTop) - (long long )oldTop >= 0LL)) && ((-1LL - (long long )newTop) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )oldTop >= 0LL)) && ((10LL - (long long )d) - (long long )newTop >= 0LL)) && (-1 == oldTop)) && (10 == d)) && (d == 10)) && (oldTop == -1)) && (newTop == 0) [2024-01-30 14:16:38,498 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] ((((((((((((((((((((((((((((((2147483638LL + (long long )d) + (long long )oldTop >= 0LL) && ((2147483638LL + (long long )d) + (long long )newTop >= 0LL)) && ((4294967296LL + (long long )newTop) + (long long )oldTop >= 0LL)) && ((2147483658LL - (long long )d) + (long long )oldTop >= 0LL)) && ((2147483658LL - (long long )d) + (long long )newTop >= 0LL)) && ((4294967295LL - (long long )newTop) + (long long )oldTop >= 0LL)) && ((2147483637LL + (long long )d) - (long long )oldTop >= 0LL)) && ((2147483637LL + (long long )d) - (long long )newTop >= 0LL)) && ((4294967295LL + (long long )newTop) - (long long )oldTop >= 0LL)) && ((2147483657LL - (long long )d) - (long long )oldTop >= 0LL)) && ((2147483657LL - (long long )d) - (long long )newTop >= 0LL)) && ((4294967294LL - (long long )newTop) - (long long )oldTop >= 0LL)) && (10 == d)) && (d == 10)) && ((-9LL + (long long )d) + (long long )oldTop >= 0LL)) && ((2147483638LL + (long long )d) + (long long )newTop >= 0LL)) && ((2147483649LL + (long long )newTop) + (long long )oldTop >= 0LL)) && ((11LL - (long long )d) + (long long )oldTop >= 0LL)) && ((2147483648LL - (long long )newTop) + (long long )oldTop >= 0LL)) && ((2147483658LL - (long long )d) + (long long )newTop >= 0LL)) && ((-11LL + (long long )d) - (long long )oldTop >= 0LL)) && ((2147483637LL + (long long )d) - (long long )newTop >= 0LL)) && ((2147483647LL + (long long )newTop) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )oldTop >= 0LL)) && ((2147483646LL - (long long )newTop) - (long long )oldTop >= 0LL)) && ((2147483657LL - (long long )d) - (long long )newTop >= 0LL)) && (-1 == oldTop)) && (10 == d)) && (d == 10)) && (oldTop == -1) [2024-01-30 14:16:38,498 INFO L98 nessWitnessExtractor]: Location invariant before [L719-L719] ((((((0 <= oldTop) && (1 <= newTop)) && (oldTop <= 64)) && (newTop <= 64)) && (10 == d)) && (d == 10)) && (newTop != 0) [2024-01-30 14:16:38,498 INFO L98 nessWitnessExtractor]: Location invariant after [L699-L703] (((((0 <= top) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (top <= 64)) && (m == 0)) && (next_alloc_idx % 2 == 1) [2024-01-30 14:16:38,498 INFO L98 nessWitnessExtractor]: Location invariant before [L717-L717] ((((((((((1 <= newTop) && (newTop <= 64)) && ((-9LL + (long long )d) + (long long )oldTop >= 0LL)) && ((11LL - (long long )d) + (long long )oldTop >= 0LL)) && ((-11LL + (long long )d) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )oldTop >= 0LL)) && (-1 == oldTop)) && (10 == d)) && (d == 10)) && (oldTop == -1)) && (newTop != 0) [2024-01-30 14:16:38,498 INFO L98 nessWitnessExtractor]: Location invariant after [L704-L708] (((((((((0 <= m) && (0 <= top)) && (0 <= *curr_alloc_idx)) && (3 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top <= 64)) && (*curr_alloc_idx <= 64)) && (next_alloc_idx % 2 == 1)) && (m == 0 || m == 1) [2024-01-30 14:16:38,498 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] (((((((((((((((((((-9LL + (long long )d) + (long long )oldTop >= 0LL) && ((-9LL + (long long )d) + (long long )newTop >= 0LL)) && ((2LL + (long long )newTop) + (long long )oldTop >= 0LL)) && ((0LL - (long long )newTop) + (long long )oldTop >= 0LL)) && ((11LL - (long long )d) + (long long )oldTop >= 0LL)) && ((11LL - (long long )d) + (long long )newTop >= 0LL)) && ((-11LL + (long long )d) - (long long )oldTop >= 0LL)) && ((-11LL + (long long )d) - (long long )newTop >= 0LL)) && ((-2LL - (long long )newTop) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )newTop >= 0LL)) && ((long long )newTop - (long long )oldTop >= 0LL)) && (-1 == oldTop)) && (-1 == newTop)) && (10 == d)) && (d == 10)) && (oldTop == -1)) && (oldTop == newTop)) && (newTop == -1) [2024-01-30 14:16:38,499 INFO L98 nessWitnessExtractor]: Location invariant after [L2-L4] (((((((0 <= m) && (0 <= top)) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top <= 64)) && (next_alloc_idx % 2 == 1)) && (m == 0 || m == 1) [2024-01-30 14:16:38,499 INFO L98 nessWitnessExtractor]: Location invariant before [L727-L727] (unsigned long )arg == 0UL [2024-01-30 14:16:38,499 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] (((((((0 <= m) && (0 <= top)) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top <= 64)) && (next_alloc_idx % 2 == 1)) && (m == 0 || m == 1) [2024-01-30 14:16:38,499 INFO L98 nessWitnessExtractor]: Location invariant before [L715-L715] ((((((((((1 <= newTop) && (newTop <= 64)) && ((-9LL + (long long )d) + (long long )oldTop >= 0LL)) && ((11LL - (long long )d) + (long long )oldTop >= 0LL)) && ((-11LL + (long long )d) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )oldTop >= 0LL)) && (-1 == oldTop)) && (10 == d)) && (d == 10)) && (oldTop == -1)) && (newTop != 0) [2024-01-30 14:16:38,499 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] (((((((((((((((0 <= m) && (0 <= oldTop)) && (1 <= next_alloc_idx)) && (1 <= top)) && (1 <= newTop)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top <= 64)) && (oldTop <= 64)) && (newTop <= 64)) && (10 == d)) && (d == 10)) && (next_alloc_idx % 2 == 1)) && (top != 0)) && (newTop != 0)) && (m == 0 || m == 1) [2024-01-30 14:16:38,499 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] (((((((0 <= m) && (0 <= top)) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top <= 64)) && (next_alloc_idx % 2 == 1)) && (m == 0 || m == 1) [2024-01-30 14:16:38,500 INFO L98 nessWitnessExtractor]: Location invariant after [L709-L724] ((((((0 <= oldTop) && (1 <= newTop)) && (oldTop <= 64)) && (newTop <= 64)) && (10 == d)) && (d == 10)) && (newTop != 0) [2024-01-30 14:16:38,500 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] (unsigned long )arg == 0UL [2024-01-30 14:16:38,500 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (((((((0 <= m) && (0 <= top)) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top <= 64)) && (next_alloc_idx % 2 == 1)) && (m == 0 || m == 1) [2024-01-30 14:16:38,500 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] ((((((((((((((0 <= m) && (0 <= top)) && (0 <= oldTop)) && (1 <= next_alloc_idx)) && (1 <= newTop)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top <= 64)) && (oldTop <= 64)) && (newTop <= 64)) && (10 == d)) && (d == 10)) && (next_alloc_idx % 2 == 1)) && (newTop != 0)) && (m == 0 || m == 1) [2024-01-30 14:16:38,500 INFO L98 nessWitnessExtractor]: Location invariant before [L716-L716] ((((((((((1 <= newTop) && (newTop <= 64)) && ((-9LL + (long long )d) + (long long )oldTop >= 0LL)) && ((11LL - (long long )d) + (long long )oldTop >= 0LL)) && ((-11LL + (long long )d) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )oldTop >= 0LL)) && (-1 == oldTop)) && (10 == d)) && (d == 10)) && (oldTop == -1)) && (newTop != 0) [2024-01-30 14:16:38,501 INFO L98 nessWitnessExtractor]: Loop invariant at [L726-L731] (unsigned long )arg == 0UL [2024-01-30 14:16:38,501 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L707] ((((((((((((((((((0 <= m) && (0 <= top)) && (65 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top <= 64)) && (*curr_alloc_idx == -1)) && (next_alloc_idx % 2 == 1)) && (next_alloc_idx != -1)) && (m == 0 || m == 1)) && (0 <= m)) && (0 <= top)) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (m <= 1)) && (top <= 64)) && (*curr_alloc_idx == -1)) && (next_alloc_idx % 2 == 1)) && (m == 0 || m == 1) [2024-01-30 14:16:38,501 INFO L98 nessWitnessExtractor]: Location invariant after [L706-L707] ((((((((0 <= m) && (0 <= top)) && (1 <= next_alloc_idx)) && (next_alloc_idx <= 64)) && (m <= 1)) && (top <= 64)) && (next_alloc_idx % 2 == 1)) && (m == 0 || m == 1)) && (((1 <= *curr_alloc_idx && *curr_alloc_idx <= 64) && *curr_alloc_idx % 2 == 1) || *curr_alloc_idx == -1) [2024-01-30 14:16:38,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:16:38,838 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-ext/37_stack_lock_p0_vs_concur.i[30907,30920] [2024-01-30 14:16:38,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:16:38,854 INFO L202 MainTranslator]: Completed pre-run [2024-01-30 14:16:38,861 WARN L424 MainDispatcher]: Unable to annotate void assume_abort_if_not(int cond) { if(!cond) {abort();} } with a witness entry Start Parsing Local Start Parsing Local [2024-01-30 14:16:38,927 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_atomic_acquire() { assume_abort_if_not(m==0); m = 1; } with a witness entry Start Parsing Local Start Parsing Local [2024-01-30 14:16:38,932 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_atomic_release() { assume_abort_if_not(m==1); m = 0; } with a witness entry Start Parsing Local Start Parsing Local [2024-01-30 14:16:38,943 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_atomic_index_malloc(int *curr_alloc_idx) { if(next_alloc_idx+2-1 > (2*32+1)) *curr_alloc_idx = 0; else *curr_alloc_idx = next_alloc_idx, next_alloc_idx += 2; } 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 [2024-01-30 14:16:38,979 WARN L424 MainDispatcher]: Unable to annotate inline void push(int d) { int oldTop = -1, newTop = -1; __VERIFIER_atomic_index_malloc(&newTop); if(newTop == 0) assume_abort_if_not(0); else{ memory[newTop+0] = d; __VERIFIER_atomic_acquire(); oldTop = top; memory[newTop+1] = oldTop; __VERIFIER_atomic_begin(); top = newTop; __VERIFIER_atomic_end(); __VERIFIER_atomic_release(); } } with a witness entry Start Parsing Local Start Parsing Local [2024-01-30 14:16:38,984 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-ext/37_stack_lock_p0_vs_concur.i[30907,30920] Start Parsing Local [2024-01-30 14:16:38,986 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local [2024-01-30 14:16:38,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:16:39,023 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:16:39,024 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:39 WrapperNode [2024-01-30 14:16:39,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:16:39,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:16:39,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:16:39,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:16:39,030 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 30.01 02:16:39" (1/1) ... [2024-01-30 14:16:39,055 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 30.01 02:16:39" (1/1) ... [2024-01-30 14:16:39,139 INFO L138 Inliner]: procedures = 173, calls = 98, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 305 [2024-01-30 14:16:39,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:16:39,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:16:39,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:16:39,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:16:39,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:39" (1/1) ... [2024-01-30 14:16:39,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:39" (1/1) ... [2024-01-30 14:16:39,195 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:39" (1/1) ... [2024-01-30 14:16:39,225 INFO L175 MemorySlicer]: Split 78 memory accesses to 3 slices as follows [2, 75, 1]. 96 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0]. The 3 writes are split as follows [0, 2, 1]. [2024-01-30 14:16:39,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:39" (1/1) ... [2024-01-30 14:16:39,231 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:39" (1/1) ... [2024-01-30 14:16:39,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:39" (1/1) ... [2024-01-30 14:16:39,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:39" (1/1) ... [2024-01-30 14:16:39,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:39" (1/1) ... [2024-01-30 14:16:39,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:39" (1/1) ... [2024-01-30 14:16:39,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:16:39,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:16:39,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:16:39,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:16:39,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:39" (1/1) ... [2024-01-30 14:16:39,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:16:39,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:16:39,313 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) [2024-01-30 14:16:39,378 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 [2024-01-30 14:16:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-30 14:16:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-30 14:16:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-30 14:16:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-01-30 14:16:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-01-30 14:16:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:16:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:16:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:16:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-30 14:16:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:16:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:16:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:16:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:16:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:16:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:16:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-30 14:16:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:16:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:16:39,406 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-30 14:16:39,512 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:16:39,514 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:16:39,953 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:16:39,953 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:16:40,315 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:16:40,316 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-30 14:16:40,317 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:16:40 BoogieIcfgContainer [2024-01-30 14:16:40,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:16:40,319 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:16:40,319 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:16:40,322 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:16:40,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:16:38" (1/4) ... [2024-01-30 14:16:40,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dbf9c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:16:40, skipping insertion in model container [2024-01-30 14:16:40,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:16:38" (2/4) ... [2024-01-30 14:16:40,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dbf9c07 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:16:40, skipping insertion in model container [2024-01-30 14:16:40,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:39" (3/4) ... [2024-01-30 14:16:40,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dbf9c07 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:16:40, skipping insertion in model container [2024-01-30 14:16:40,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:16:40" (4/4) ... [2024-01-30 14:16:40,326 INFO L112 eAbstractionObserver]: Analyzing ICFG 37_stack_lock_p0_vs_concur.i [2024-01-30 14:16:40,341 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:16:40,342 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2024-01-30 14:16:40,342 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:16:40,423 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-30 14:16:40,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 60 transitions, 124 flow [2024-01-30 14:16:40,484 INFO L124 PetriNetUnfolderBase]: 2/62 cut-off events. [2024-01-30 14:16:40,484 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:16:40,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 62 events. 2/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 93 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2024-01-30 14:16:40,487 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 60 transitions, 124 flow [2024-01-30 14:16:40,491 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 60 transitions, 124 flow [2024-01-30 14:16:40,502 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:16:40,510 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;@3acf0d5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:16:40,510 INFO L358 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2024-01-30 14:16:40,514 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:16:40,514 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-01-30 14:16:40,514 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:16:40,514 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:16:40,515 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-30 14:16:40,515 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 48 more)] === [2024-01-30 14:16:40,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:16:40,518 INFO L85 PathProgramCache]: Analyzing trace with hash 716597879, now seen corresponding path program 1 times [2024-01-30 14:16:40,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:16:40,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534893962] [2024-01-30 14:16:40,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:16:40,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:16:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:16:40,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:16:40,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:16:40,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534893962] [2024-01-30 14:16:40,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534893962] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:16:40,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:16:40,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:16:40,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734148415] [2024-01-30 14:16:40,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:16:40,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:16:40,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:16:40,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:16:40,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:16:40,781 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 60 [2024-01-30 14:16:40,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 60 transitions, 124 flow. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-01-30 14:16:40,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:16:40,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 60 [2024-01-30 14:16:40,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:16:40,875 INFO L124 PetriNetUnfolderBase]: 12/48 cut-off events. [2024-01-30 14:16:40,875 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:16:40,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 48 events. 12/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 112 event pairs, 0 based on Foata normal form. 6/51 useless extension candidates. Maximal degree in co-relation 76. Up to 30 conditions per place. [2024-01-30 14:16:40,877 INFO L140 encePairwiseOnDemand]: 53/60 looper letters, 11 selfloop transitions, 2 changer transitions 0/18 dead transitions. [2024-01-30 14:16:40,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 18 transitions, 66 flow [2024-01-30 14:16:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:16:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:16:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 80 transitions. [2024-01-30 14:16:40,886 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2024-01-30 14:16:40,887 INFO L175 Difference]: Start difference. First operand has 61 places, 60 transitions, 124 flow. Second operand 4 states and 80 transitions. [2024-01-30 14:16:40,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 18 transitions, 66 flow [2024-01-30 14:16:40,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 18 transitions, 66 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-30 14:16:40,891 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 38 flow [2024-01-30 14:16:40,892 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=38, PETRI_PLACES=21, PETRI_TRANSITIONS=15} [2024-01-30 14:16:40,895 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -40 predicate places. [2024-01-30 14:16:40,895 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 38 flow [2024-01-30 14:16:40,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-01-30 14:16:40,895 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:16:40,896 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2024-01-30 14:16:40,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:16:40,896 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 48 more)] === [2024-01-30 14:16:40,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:16:40,896 INFO L85 PathProgramCache]: Analyzing trace with hash 739656735, now seen corresponding path program 1 times [2024-01-30 14:16:40,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:16:40,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686355499] [2024-01-30 14:16:40,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:16:40,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:16:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:16:40,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-30 14:16:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:16:40,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-30 14:16:40,930 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-30 14:16:40,931 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 51 remaining) [2024-01-30 14:16:40,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 51 remaining) [2024-01-30 14:16:40,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 51 remaining) [2024-01-30 14:16:40,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 51 remaining) [2024-01-30 14:16:40,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 51 remaining) [2024-01-30 14:16:40,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 51 remaining) [2024-01-30 14:16:40,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 51 remaining) [2024-01-30 14:16:40,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 51 remaining) [2024-01-30 14:16:40,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 51 remaining) [2024-01-30 14:16:40,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 51 remaining) [2024-01-30 14:16:40,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 51 remaining) [2024-01-30 14:16:40,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 51 remaining) [2024-01-30 14:16:40,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 51 remaining) [2024-01-30 14:16:40,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 51 remaining) [2024-01-30 14:16:40,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 51 remaining) [2024-01-30 14:16:40,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (35 of 51 remaining) [2024-01-30 14:16:40,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 51 remaining) [2024-01-30 14:16:40,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 51 remaining) [2024-01-30 14:16:40,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 51 remaining) [2024-01-30 14:16:40,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 51 remaining) [2024-01-30 14:16:40,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 51 remaining) [2024-01-30 14:16:40,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 51 remaining) [2024-01-30 14:16:40,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 51 remaining) [2024-01-30 14:16:40,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 51 remaining) [2024-01-30 14:16:40,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 51 remaining) [2024-01-30 14:16:40,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 51 remaining) [2024-01-30 14:16:40,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 51 remaining) [2024-01-30 14:16:40,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 51 remaining) [2024-01-30 14:16:40,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 51 remaining) [2024-01-30 14:16:40,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 51 remaining) [2024-01-30 14:16:40,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 51 remaining) [2024-01-30 14:16:40,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 51 remaining) [2024-01-30 14:16:40,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 51 remaining) [2024-01-30 14:16:40,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 51 remaining) [2024-01-30 14:16:40,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 51 remaining) [2024-01-30 14:16:40,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 51 remaining) [2024-01-30 14:16:40,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 51 remaining) [2024-01-30 14:16:40,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 51 remaining) [2024-01-30 14:16:40,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 51 remaining) [2024-01-30 14:16:40,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 51 remaining) [2024-01-30 14:16:40,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (10 of 51 remaining) [2024-01-30 14:16:40,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 51 remaining) [2024-01-30 14:16:40,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 51 remaining) [2024-01-30 14:16:40,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 51 remaining) [2024-01-30 14:16:40,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 51 remaining) [2024-01-30 14:16:40,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 51 remaining) [2024-01-30 14:16:40,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 51 remaining) [2024-01-30 14:16:40,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 51 remaining) [2024-01-30 14:16:40,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 51 remaining) [2024-01-30 14:16:40,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 51 remaining) [2024-01-30 14:16:40,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 51 remaining) [2024-01-30 14:16:40,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-30 14:16:40,943 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-30 14:16:40,945 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-01-30 14:16:40,945 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-01-30 14:16:41,036 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-30 14:16:41,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 115 transitions, 240 flow [2024-01-30 14:16:41,077 INFO L124 PetriNetUnfolderBase]: 4/120 cut-off events. [2024-01-30 14:16:41,077 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-30 14:16:41,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 120 events. 4/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 386 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 111. Up to 3 conditions per place. [2024-01-30 14:16:41,079 INFO L82 GeneralOperation]: Start removeDead. Operand has 116 places, 115 transitions, 240 flow [2024-01-30 14:16:41,083 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 115 transitions, 240 flow [2024-01-30 14:16:41,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:16:41,088 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;@3acf0d5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:16:41,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2024-01-30 14:16:41,090 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:16:41,090 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-01-30 14:16:41,090 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:16:41,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:16:41,091 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-30 14:16:41,091 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-30 14:16:41,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:16:41,091 INFO L85 PathProgramCache]: Analyzing trace with hash 826396576, now seen corresponding path program 1 times [2024-01-30 14:16:41,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:16:41,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186166347] [2024-01-30 14:16:41,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:16:41,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:16:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:16:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:16:41,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:16:41,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186166347] [2024-01-30 14:16:41,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186166347] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:16:41,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:16:41,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:16:41,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792241777] [2024-01-30 14:16:41,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:16:41,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:16:41,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:16:41,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:16:41,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:16:41,230 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 115 [2024-01-30 14:16:41,230 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 115 transitions, 240 flow. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 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) [2024-01-30 14:16:41,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:16:41,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 115 [2024-01-30 14:16:41,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:16:41,415 INFO L124 PetriNetUnfolderBase]: 190/410 cut-off events. [2024-01-30 14:16:41,415 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-01-30 14:16:41,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 776 conditions, 410 events. 190/410 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1827 event pairs, 85 based on Foata normal form. 60/423 useless extension candidates. Maximal degree in co-relation 651. Up to 306 conditions per place. [2024-01-30 14:16:41,420 INFO L140 encePairwiseOnDemand]: 106/115 looper letters, 23 selfloop transitions, 2 changer transitions 0/37 dead transitions. [2024-01-30 14:16:41,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 37 transitions, 139 flow [2024-01-30 14:16:41,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:16:41,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:16:41,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 172 transitions. [2024-01-30 14:16:41,425 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3739130434782609 [2024-01-30 14:16:41,425 INFO L175 Difference]: Start difference. First operand has 116 places, 115 transitions, 240 flow. Second operand 4 states and 172 transitions. [2024-01-30 14:16:41,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 37 transitions, 139 flow [2024-01-30 14:16:41,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 37 transitions, 139 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-30 14:16:41,427 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 70 flow [2024-01-30 14:16:41,427 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=70, PETRI_PLACES=36, PETRI_TRANSITIONS=28} [2024-01-30 14:16:41,428 INFO L281 CegarLoopForPetriNet]: 116 programPoint places, -80 predicate places. [2024-01-30 14:16:41,428 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 70 flow [2024-01-30 14:16:41,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 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) [2024-01-30 14:16:41,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:16:41,429 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:16:41,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-30 14:16:41,429 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-30 14:16:41,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:16:41,429 INFO L85 PathProgramCache]: Analyzing trace with hash 428812294, now seen corresponding path program 1 times [2024-01-30 14:16:41,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:16:41,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194378341] [2024-01-30 14:16:41,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:16:41,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:16:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:16:41,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-30 14:16:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:16:41,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-30 14:16:41,499 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-30 14:16:41,502 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 76 remaining) [2024-01-30 14:16:41,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 76 remaining) [2024-01-30 14:16:41,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 76 remaining) [2024-01-30 14:16:41,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 76 remaining) [2024-01-30 14:16:41,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 76 remaining) [2024-01-30 14:16:41,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 76 remaining) [2024-01-30 14:16:41,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 76 remaining) [2024-01-30 14:16:41,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 76 remaining) [2024-01-30 14:16:41,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 76 remaining) [2024-01-30 14:16:41,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 76 remaining) [2024-01-30 14:16:41,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 76 remaining) [2024-01-30 14:16:41,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 76 remaining) [2024-01-30 14:16:41,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 76 remaining) [2024-01-30 14:16:41,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 76 remaining) [2024-01-30 14:16:41,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 76 remaining) [2024-01-30 14:16:41,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (60 of 76 remaining) [2024-01-30 14:16:41,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 76 remaining) [2024-01-30 14:16:41,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 76 remaining) [2024-01-30 14:16:41,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 76 remaining) [2024-01-30 14:16:41,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 76 remaining) [2024-01-30 14:16:41,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 76 remaining) [2024-01-30 14:16:41,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 76 remaining) [2024-01-30 14:16:41,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 76 remaining) [2024-01-30 14:16:41,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 76 remaining) [2024-01-30 14:16:41,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 76 remaining) [2024-01-30 14:16:41,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 76 remaining) [2024-01-30 14:16:41,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 76 remaining) [2024-01-30 14:16:41,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 76 remaining) [2024-01-30 14:16:41,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 76 remaining) [2024-01-30 14:16:41,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 76 remaining) [2024-01-30 14:16:41,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 76 remaining) [2024-01-30 14:16:41,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 76 remaining) [2024-01-30 14:16:41,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 76 remaining) [2024-01-30 14:16:41,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 76 remaining) [2024-01-30 14:16:41,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 76 remaining) [2024-01-30 14:16:41,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 76 remaining) [2024-01-30 14:16:41,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 76 remaining) [2024-01-30 14:16:41,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 76 remaining) [2024-01-30 14:16:41,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 76 remaining) [2024-01-30 14:16:41,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 76 remaining) [2024-01-30 14:16:41,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 76 remaining) [2024-01-30 14:16:41,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (34 of 76 remaining) [2024-01-30 14:16:41,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 76 remaining) [2024-01-30 14:16:41,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 76 remaining) [2024-01-30 14:16:41,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 76 remaining) [2024-01-30 14:16:41,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 76 remaining) [2024-01-30 14:16:41,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 76 remaining) [2024-01-30 14:16:41,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 76 remaining) [2024-01-30 14:16:41,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 76 remaining) [2024-01-30 14:16:41,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 76 remaining) [2024-01-30 14:16:41,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 76 remaining) [2024-01-30 14:16:41,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 76 remaining) [2024-01-30 14:16:41,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 76 remaining) [2024-01-30 14:16:41,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 76 remaining) [2024-01-30 14:16:41,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 76 remaining) [2024-01-30 14:16:41,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 76 remaining) [2024-01-30 14:16:41,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 76 remaining) [2024-01-30 14:16:41,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 76 remaining) [2024-01-30 14:16:41,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 76 remaining) [2024-01-30 14:16:41,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 76 remaining) [2024-01-30 14:16:41,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 76 remaining) [2024-01-30 14:16:41,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 76 remaining) [2024-01-30 14:16:41,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 76 remaining) [2024-01-30 14:16:41,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 76 remaining) [2024-01-30 14:16:41,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 76 remaining) [2024-01-30 14:16:41,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (10 of 76 remaining) [2024-01-30 14:16:41,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 76 remaining) [2024-01-30 14:16:41,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 76 remaining) [2024-01-30 14:16:41,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 76 remaining) [2024-01-30 14:16:41,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 76 remaining) [2024-01-30 14:16:41,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 76 remaining) [2024-01-30 14:16:41,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 76 remaining) [2024-01-30 14:16:41,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 76 remaining) [2024-01-30 14:16:41,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 76 remaining) [2024-01-30 14:16:41,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 76 remaining) [2024-01-30 14:16:41,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 76 remaining) [2024-01-30 14:16:41,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-30 14:16:41,559 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-30 14:16:41,563 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2024-01-30 14:16:41,564 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-30 14:16:41,581 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,581 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,581 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,582 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,582 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,582 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,582 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,582 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,582 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,582 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,582 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,582 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,583 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,583 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,583 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,583 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-01-30 14:16:41,583 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem24 could not be translated [2024-01-30 14:16:41,583 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated [2024-01-30 14:16:41,584 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated [2024-01-30 14:16:41,584 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated [2024-01-30 14:16:41,584 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated [2024-01-30 14:16:41,584 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2024-01-30 14:16:41,584 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2024-01-30 14:16:41,584 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2024-01-30 14:16:41,584 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2024-01-30 14:16:41,584 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2024-01-30 14:16:41,585 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated [2024-01-30 14:16:41,585 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated [2024-01-30 14:16:41,585 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2024-01-30 14:16:41,585 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated [2024-01-30 14:16:41,585 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2024-01-30 14:16:41,585 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2024-01-30 14:16:41,591 INFO L503 ceAbstractionStarter]: Automizer considered 24 witness invariants [2024-01-30 14:16:41,591 INFO L504 ceAbstractionStarter]: WitnessConsidered=24 [2024-01-30 14:16:41,592 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:16:41 BasicIcfg [2024-01-30 14:16:41,592 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-30 14:16:41,593 INFO L158 Benchmark]: Toolchain (without parser) took 3275.32ms. Allocated memory was 176.2MB in the beginning and 312.5MB in the end (delta: 136.3MB). Free memory was 104.4MB in the beginning and 258.2MB in the end (delta: -153.7MB). Peak memory consumption was 143.5MB. Max. memory is 16.1GB. [2024-01-30 14:16:41,593 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:16:41,593 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:16:41,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.70ms. Allocated memory is still 176.2MB. Free memory was 103.9MB in the beginning and 75.6MB in the end (delta: 28.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-01-30 14:16:41,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.77ms. Allocated memory is still 176.2MB. Free memory was 75.1MB in the beginning and 142.8MB in the end (delta: -67.7MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-01-30 14:16:41,594 INFO L158 Benchmark]: Boogie Preprocessor took 125.54ms. Allocated memory is still 176.2MB. Free memory was 142.8MB in the beginning and 138.8MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-30 14:16:41,595 INFO L158 Benchmark]: RCFGBuilder took 1050.76ms. Allocated memory was 176.2MB in the beginning and 312.5MB in the end (delta: 136.3MB). Free memory was 138.8MB in the beginning and 206.4MB in the end (delta: -67.6MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2024-01-30 14:16:41,595 INFO L158 Benchmark]: TraceAbstraction took 1273.21ms. Allocated memory is still 312.5MB. Free memory was 206.4MB in the beginning and 258.2MB in the end (delta: -51.8MB). Peak memory consumption was 108.6MB. Max. memory is 16.1GB. [2024-01-30 14:16:41,599 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.70ms. Allocated memory is still 176.2MB. Free memory was 103.9MB in the beginning and 75.6MB in the end (delta: 28.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.77ms. Allocated memory is still 176.2MB. Free memory was 75.1MB in the beginning and 142.8MB in the end (delta: -67.7MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.54ms. Allocated memory is still 176.2MB. Free memory was 142.8MB in the beginning and 138.8MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1050.76ms. Allocated memory was 176.2MB in the beginning and 312.5MB in the end (delta: 136.3MB). Free memory was 138.8MB in the beginning and 206.4MB in the end (delta: -67.6MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1273.21ms. Allocated memory is still 312.5MB. Free memory was 206.4MB in the beginning and 258.2MB in the end (delta: -51.8MB). Peak memory consumption was 108.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 710]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L690] 0 int memory[(2*32+1)]; [L691] 0 int next_alloc_idx = 1; [L692] 0 int m = 0; [L693] 0 int top = 0; [L736] 0 pthread_t t; VAL [m=0, next_alloc_idx=1, t={3:0}, top=0] [L737] COND TRUE 0 1 [L737] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [m=0, next_alloc_idx=1, t={3:0}, top=0] [L726] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, m=0, next_alloc_idx=1, top=0] [L726] COND TRUE 1 1 VAL [arg={0:0}, arg={0:0}, m=0, next_alloc_idx=1, top=0] [L727] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] [L727] CALL 1 push(10) [L710] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHPLUS,IntegerLiteral[2147483638LL],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHPLUS,IntegerLiteral[2147483638LL],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967296LL],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[2147483658LL],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[2147483658LL],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHPLUS,IntegerLiteral[2147483637LL],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHPLUS,IntegerLiteral[2147483637LL],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[2147483657LL],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[2147483657LL],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967294LL],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IntegerLiteral[10],IdentifierExpression[d]]],BinaryExpression[COMPEQ,IdentifierExpression[d],IntegerLiteral[10]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHPLUS,UnaryExpression[MINUS,IntegerLiteral[9LL]],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHPLUS,IntegerLiteral[2147483638LL],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHPLUS,IntegerLiteral[2147483649LL],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[11LL],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[2147483648LL],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[2147483658LL],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHPLUS,UnaryExpression[MINUS,IntegerLiteral[11LL]],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHPLUS,IntegerLiteral[2147483637LL],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHPLUS,IntegerLiteral[2147483647LL],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[9LL],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[2147483646LL],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],CastExpression[ACSLType[long long],IdentifierExpression[oldTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[2147483657LL],CastExpression[ACSLType[long long],IdentifierExpression[d]]],CastExpression[ACSLType[long long],IdentifierExpression[newTop]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,UnaryExpression[MINUS,IntegerLiteral[1]],IdentifierExpression[oldTop]]],BinaryExpression[COMPEQ,IntegerLiteral[10],IdentifierExpression[d]]],BinaryExpression[COMPEQ,IdentifierExpression[d],IntegerLiteral[10]]],BinaryExpression[COMPEQ,IdentifierExpression[oldTop],UnaryExpression[MINUS,IntegerLiteral[1]]]]]] VAL [\old(d)=10, d=10, m=0, newTop={50:49}, next_alloc_idx=1, oldTop=-6442450945, top=0] - UnprovableResult [Line: 726]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 727]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 713]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 728]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 729]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 729]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 730]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 726]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 717]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 718]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 719]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 720]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 701]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 737]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 112 locations, 51 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 3 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 165 locations, 76 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 3 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-30 14:16:41,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE