./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 59af5db6 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-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-59af5db-m [2024-02-02 09:12:37,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:12:37,546 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:12:37,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:12:37,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:12:37,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:12:37,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:12:37,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:12:37,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:12:37,584 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:12:37,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:12:37,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:12:37,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:12:37,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:12:37,587 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:12:37,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:12:37,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:12:37,587 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:12:37,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:12:37,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:12:37,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:12:37,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:12:37,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:12:37,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:12:37,589 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:12:37,589 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:12:37,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:12:37,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:12:37,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:12:37,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:12:37,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:12:37,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:12:37,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:12:37,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:12:37,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:12:37,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:12:37,592 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:12:37,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:12:37,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:12:37,593 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:12:37,593 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:12:37,593 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:12:37,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:12:37,594 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:12:37,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:12:37,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:12:37,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:12:37,837 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:12:37,837 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:12:37,838 INFO L431 ainManager$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 [2024-02-02 09:12:38,796 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:12:39,024 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:12:39,025 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.i [2024-02-02 09:12:39,038 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eee35603/f73469fa8786477f8665fa317e803ac0/FLAG95ac956d2 [2024-02-02 09:12:39,051 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eee35603/f73469fa8786477f8665fa317e803ac0 [2024-02-02 09:12:39,054 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:12:39,055 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:12:39,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/37_stack_lock_p0_vs_concur.yml/witness.yml [2024-02-02 09:12:39,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:12:39,264 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:12:39,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:12:39,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:12:39,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:12:39,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:12:39" (1/2) ... [2024-02-02 09:12:39,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119f6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:39, skipping insertion in model container [2024-02-02 09:12:39,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:12:39" (1/2) ... [2024-02-02 09:12:39,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f527a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:39, skipping insertion in model container [2024-02-02 09:12:39,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:12:39" (2/2) ... [2024-02-02 09:12:39,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119f6c6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39, skipping insertion in model container [2024-02-02 09:12:39,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:12:39" (2/2) ... [2024-02-02 09:12:39,272 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:12:39,430 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:12:39,432 INFO L101 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) [2024-02-02 09:12:39,432 INFO L101 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) [2024-02-02 09:12:39,432 INFO L101 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) [2024-02-02 09:12:39,433 INFO L101 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) [2024-02-02 09:12:39,433 INFO L101 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) [2024-02-02 09:12:39,433 INFO L101 nessWitnessExtractor]: Location invariant before [L722-L722] ((((((0 <= oldTop) && (1 <= newTop)) && (oldTop <= 64)) && (newTop <= 64)) && (10 == d)) && (d == 10)) && (newTop != 0) [2024-02-02 09:12:39,433 INFO L101 nessWitnessExtractor]: Location invariant before [L728-L728] (unsigned long )arg == 0UL [2024-02-02 09:12:39,434 INFO L101 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) [2024-02-02 09:12:39,434 INFO L101 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) [2024-02-02 09:12:39,434 INFO L101 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) [2024-02-02 09:12:39,434 INFO L101 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) [2024-02-02 09:12:39,434 INFO L101 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) [2024-02-02 09:12:39,434 INFO L101 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) [2024-02-02 09:12:39,434 INFO L101 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) [2024-02-02 09:12:39,435 INFO L101 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) [2024-02-02 09:12:39,435 INFO L101 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) [2024-02-02 09:12:39,435 INFO L101 nessWitnessExtractor]: Location invariant before [L727-L727] (unsigned long )arg == 0UL [2024-02-02 09:12:39,435 INFO L101 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) [2024-02-02 09:12:39,435 INFO L101 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) [2024-02-02 09:12:39,435 INFO L101 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) [2024-02-02 09:12:39,435 INFO L101 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) [2024-02-02 09:12:39,436 INFO L101 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) [2024-02-02 09:12:39,436 INFO L101 nessWitnessExtractor]: Location invariant after [L709-L724] ((((((0 <= oldTop) && (1 <= newTop)) && (oldTop <= 64)) && (newTop <= 64)) && (10 == d)) && (d == 10)) && (newTop != 0) [2024-02-02 09:12:39,436 INFO L101 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) [2024-02-02 09:12:39,436 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] ((((((0 <= oldTop) && (1 <= newTop)) && (oldTop <= 64)) && (newTop <= 64)) && (10 == d)) && (d == 10)) && (newTop != 0) [2024-02-02 09:12:39,436 INFO L101 nessWitnessExtractor]: Location invariant before [L719-L719] ((((((0 <= oldTop) && (1 <= newTop)) && (oldTop <= 64)) && (newTop <= 64)) && (10 == d)) && (d == 10)) && (newTop != 0) [2024-02-02 09:12:39,436 INFO L101 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) [2024-02-02 09:12:39,437 INFO L101 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) [2024-02-02 09:12:39,437 INFO L101 nessWitnessExtractor]: Loop invariant at [L726-L731] (unsigned long )arg == 0UL [2024-02-02 09:12:39,477 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:12:39,720 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] [2024-02-02 09:12:39,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:12:39,734 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:12:39,742 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 [2024-02-02 09:12:39,784 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 [2024-02-02 09:12:39,791 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 [2024-02-02 09:12:39,798 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 [2024-02-02 09:12:39,836 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 [2024-02-02 09:12:39,840 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 [2024-02-02 09:12:39,842 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local [2024-02-02 09:12:39,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:12:39,868 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:12:39,868 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39 WrapperNode [2024-02-02 09:12:39,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:12:39,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:12:39,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:12:39,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:12:39,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39" (1/1) ... [2024-02-02 09:12:39,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39" (1/1) ... [2024-02-02 09:12:39,916 INFO L138 Inliner]: procedures = 173, calls = 98, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 305 [2024-02-02 09:12:39,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:12:39,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:12:39,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:12:39,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:12:39,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39" (1/1) ... [2024-02-02 09:12:39,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39" (1/1) ... [2024-02-02 09:12:39,931 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39" (1/1) ... [2024-02-02 09:12:39,945 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]. [2024-02-02 09:12:39,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39" (1/1) ... [2024-02-02 09:12:39,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39" (1/1) ... [2024-02-02 09:12:39,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39" (1/1) ... [2024-02-02 09:12:39,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39" (1/1) ... [2024-02-02 09:12:39,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39" (1/1) ... [2024-02-02 09:12:39,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39" (1/1) ... [2024-02-02 09:12:39,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:12:39,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:12:39,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:12:39,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:12:39,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39" (1/1) ... [2024-02-02 09:12:39,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:12:39,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:12:40,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-02 09:12:40,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-02 09:12:40,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-02 09:12:40,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-02 09:12:40,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-02 09:12:40,034 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-02-02 09:12:40,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-02-02 09:12:40,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:12:40,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:12:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:12:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:12:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:12:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:12:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:12:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:12:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:12:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:12:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:12:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:12:40,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:12:40,037 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:12:40,187 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:12:40,189 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:12:40,606 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:12:40,606 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:12:40,904 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:12:40,904 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-02-02 09:12:40,906 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:12:40 BoogieIcfgContainer [2024-02-02 09:12:40,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:12:40,908 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:12:40,908 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:12:40,910 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:12:40,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:12:39" (1/4) ... [2024-02-02 09:12:40,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e38f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:12:40, skipping insertion in model container [2024-02-02 09:12:40,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:12:39" (2/4) ... [2024-02-02 09:12:40,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e38f43 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:12:40, skipping insertion in model container [2024-02-02 09:12:40,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:39" (3/4) ... [2024-02-02 09:12:40,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e38f43 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:12:40, skipping insertion in model container [2024-02-02 09:12:40,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:12:40" (4/4) ... [2024-02-02 09:12:40,914 INFO L112 eAbstractionObserver]: Analyzing ICFG 37_stack_lock_p0_vs_concur.i [2024-02-02 09:12:40,928 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:12:40,928 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2024-02-02 09:12:40,928 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:12:41,027 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-02 09:12:41,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 60 transitions, 124 flow [2024-02-02 09:12:41,089 INFO L124 PetriNetUnfolderBase]: 2/62 cut-off events. [2024-02-02 09:12:41,090 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:12:41,093 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. [2024-02-02 09:12:41,093 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 60 transitions, 124 flow [2024-02-02 09:12:41,096 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 60 transitions, 124 flow [2024-02-02 09:12:41,107 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:12:41,115 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;@1dbebb85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:12:41,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2024-02-02 09:12:41,119 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:12:41,119 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-02-02 09:12:41,119 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:12:41,120 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:12:41,120 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-02 09:12:41,120 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 48 more)] === [2024-02-02 09:12:41,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:12:41,124 INFO L85 PathProgramCache]: Analyzing trace with hash 716597879, now seen corresponding path program 1 times [2024-02-02 09:12:41,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:12:41,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241383441] [2024-02-02 09:12:41,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:12:41,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:12:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:12:41,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:12:41,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:12:41,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241383441] [2024-02-02 09:12:41,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241383441] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:12:41,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:12:41,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:12:41,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899393941] [2024-02-02 09:12:41,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:12:41,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:12:41,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:12:41,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:12:41,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:12:41,469 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 60 [2024-02-02 09:12:41,471 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) [2024-02-02 09:12:41,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:12:41,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 60 [2024-02-02 09:12:41,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:12:41,527 INFO L124 PetriNetUnfolderBase]: 12/48 cut-off events. [2024-02-02 09:12:41,528 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:12:41,528 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. [2024-02-02 09:12:41,530 INFO L140 encePairwiseOnDemand]: 53/60 looper letters, 11 selfloop transitions, 2 changer transitions 0/18 dead transitions. [2024-02-02 09:12:41,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 18 transitions, 66 flow [2024-02-02 09:12:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:12:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:12:41,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 80 transitions. [2024-02-02 09:12:41,539 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2024-02-02 09:12:41,540 INFO L175 Difference]: Start difference. First operand has 61 places, 60 transitions, 124 flow. Second operand 4 states and 80 transitions. [2024-02-02 09:12:41,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 18 transitions, 66 flow [2024-02-02 09:12:41,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 18 transitions, 66 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-02 09:12:41,544 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 38 flow [2024-02-02 09:12:41,545 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} [2024-02-02 09:12:41,547 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -40 predicate places. [2024-02-02 09:12:41,547 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 38 flow [2024-02-02 09:12:41,547 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) [2024-02-02 09:12:41,548 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:12:41,548 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2024-02-02 09:12:41,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:12:41,548 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 48 more)] === [2024-02-02 09:12:41,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:12:41,548 INFO L85 PathProgramCache]: Analyzing trace with hash 739656735, now seen corresponding path program 1 times [2024-02-02 09:12:41,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:12:41,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574503449] [2024-02-02 09:12:41,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:12:41,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:12:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:12:41,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-02 09:12:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:12:41,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-02 09:12:41,589 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-02 09:12:41,590 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 51 remaining) [2024-02-02 09:12:41,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 51 remaining) [2024-02-02 09:12:41,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 51 remaining) [2024-02-02 09:12:41,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 51 remaining) [2024-02-02 09:12:41,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 51 remaining) [2024-02-02 09:12:41,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 51 remaining) [2024-02-02 09:12:41,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 51 remaining) [2024-02-02 09:12:41,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 51 remaining) [2024-02-02 09:12:41,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 51 remaining) [2024-02-02 09:12:41,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 51 remaining) [2024-02-02 09:12:41,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 51 remaining) [2024-02-02 09:12:41,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 51 remaining) [2024-02-02 09:12:41,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 51 remaining) [2024-02-02 09:12:41,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 51 remaining) [2024-02-02 09:12:41,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 51 remaining) [2024-02-02 09:12:41,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (35 of 51 remaining) [2024-02-02 09:12:41,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 51 remaining) [2024-02-02 09:12:41,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 51 remaining) [2024-02-02 09:12:41,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 51 remaining) [2024-02-02 09:12:41,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 51 remaining) [2024-02-02 09:12:41,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 51 remaining) [2024-02-02 09:12:41,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 51 remaining) [2024-02-02 09:12:41,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 51 remaining) [2024-02-02 09:12:41,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 51 remaining) [2024-02-02 09:12:41,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 51 remaining) [2024-02-02 09:12:41,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 51 remaining) [2024-02-02 09:12:41,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 51 remaining) [2024-02-02 09:12:41,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 51 remaining) [2024-02-02 09:12:41,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 51 remaining) [2024-02-02 09:12:41,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 51 remaining) [2024-02-02 09:12:41,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 51 remaining) [2024-02-02 09:12:41,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 51 remaining) [2024-02-02 09:12:41,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 51 remaining) [2024-02-02 09:12:41,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 51 remaining) [2024-02-02 09:12:41,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 51 remaining) [2024-02-02 09:12:41,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 51 remaining) [2024-02-02 09:12:41,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 51 remaining) [2024-02-02 09:12:41,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 51 remaining) [2024-02-02 09:12:41,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 51 remaining) [2024-02-02 09:12:41,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 51 remaining) [2024-02-02 09:12:41,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (10 of 51 remaining) [2024-02-02 09:12:41,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 51 remaining) [2024-02-02 09:12:41,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 51 remaining) [2024-02-02 09:12:41,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 51 remaining) [2024-02-02 09:12:41,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 51 remaining) [2024-02-02 09:12:41,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 51 remaining) [2024-02-02 09:12:41,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 51 remaining) [2024-02-02 09:12:41,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 51 remaining) [2024-02-02 09:12:41,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 51 remaining) [2024-02-02 09:12:41,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 51 remaining) [2024-02-02 09:12:41,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 51 remaining) [2024-02-02 09:12:41,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:12:41,601 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-02 09:12:41,603 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-02-02 09:12:41,603 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-02-02 09:12:41,692 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-02 09:12:41,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 115 transitions, 240 flow [2024-02-02 09:12:41,714 INFO L124 PetriNetUnfolderBase]: 4/120 cut-off events. [2024-02-02 09:12:41,715 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-02 09:12:41,716 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. [2024-02-02 09:12:41,716 INFO L82 GeneralOperation]: Start removeDead. Operand has 116 places, 115 transitions, 240 flow [2024-02-02 09:12:41,718 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 115 transitions, 240 flow [2024-02-02 09:12:41,718 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:12:41,719 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;@1dbebb85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:12:41,719 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2024-02-02 09:12:41,721 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:12:41,721 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-02-02 09:12:41,721 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:12:41,721 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:12:41,721 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-02 09:12:41,722 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-02-02 09:12:41,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:12:41,722 INFO L85 PathProgramCache]: Analyzing trace with hash 826396576, now seen corresponding path program 1 times [2024-02-02 09:12:41,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:12:41,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498832647] [2024-02-02 09:12:41,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:12:41,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:12:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:12:41,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:12:41,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:12:41,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498832647] [2024-02-02 09:12:41,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498832647] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:12:41,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:12:41,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:12:41,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217044432] [2024-02-02 09:12:41,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:12:41,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:12:41,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:12:41,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:12:41,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:12:41,789 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 115 [2024-02-02 09:12:41,790 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) [2024-02-02 09:12:41,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:12:41,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 115 [2024-02-02 09:12:41,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:12:41,980 INFO L124 PetriNetUnfolderBase]: 190/410 cut-off events. [2024-02-02 09:12:41,980 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-02-02 09:12:41,983 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. [2024-02-02 09:12:41,985 INFO L140 encePairwiseOnDemand]: 106/115 looper letters, 23 selfloop transitions, 2 changer transitions 0/37 dead transitions. [2024-02-02 09:12:41,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 37 transitions, 139 flow [2024-02-02 09:12:41,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:12:41,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:12:41,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 172 transitions. [2024-02-02 09:12:41,989 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3739130434782609 [2024-02-02 09:12:41,990 INFO L175 Difference]: Start difference. First operand has 116 places, 115 transitions, 240 flow. Second operand 4 states and 172 transitions. [2024-02-02 09:12:41,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 37 transitions, 139 flow [2024-02-02 09:12:41,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 37 transitions, 139 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-02 09:12:41,991 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 70 flow [2024-02-02 09:12:41,992 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} [2024-02-02 09:12:41,992 INFO L281 CegarLoopForPetriNet]: 116 programPoint places, -80 predicate places. [2024-02-02 09:12:41,992 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 70 flow [2024-02-02 09:12:41,993 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) [2024-02-02 09:12:41,993 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:12:41,993 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:12:41,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-02 09:12:41,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-02-02 09:12:41,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:12:41,994 INFO L85 PathProgramCache]: Analyzing trace with hash 428812294, now seen corresponding path program 1 times [2024-02-02 09:12:41,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:12:41,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534369013] [2024-02-02 09:12:41,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:12:41,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:12:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:12:42,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-02 09:12:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:12:42,066 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-02 09:12:42,066 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-02 09:12:42,066 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 76 remaining) [2024-02-02 09:12:42,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 76 remaining) [2024-02-02 09:12:42,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 76 remaining) [2024-02-02 09:12:42,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 76 remaining) [2024-02-02 09:12:42,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 76 remaining) [2024-02-02 09:12:42,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 76 remaining) [2024-02-02 09:12:42,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 76 remaining) [2024-02-02 09:12:42,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 76 remaining) [2024-02-02 09:12:42,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 76 remaining) [2024-02-02 09:12:42,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 76 remaining) [2024-02-02 09:12:42,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 76 remaining) [2024-02-02 09:12:42,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 76 remaining) [2024-02-02 09:12:42,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 76 remaining) [2024-02-02 09:12:42,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 76 remaining) [2024-02-02 09:12:42,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 76 remaining) [2024-02-02 09:12:42,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (60 of 76 remaining) [2024-02-02 09:12:42,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 76 remaining) [2024-02-02 09:12:42,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 76 remaining) [2024-02-02 09:12:42,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 76 remaining) [2024-02-02 09:12:42,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 76 remaining) [2024-02-02 09:12:42,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 76 remaining) [2024-02-02 09:12:42,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 76 remaining) [2024-02-02 09:12:42,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 76 remaining) [2024-02-02 09:12:42,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 76 remaining) [2024-02-02 09:12:42,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 76 remaining) [2024-02-02 09:12:42,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 76 remaining) [2024-02-02 09:12:42,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 76 remaining) [2024-02-02 09:12:42,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 76 remaining) [2024-02-02 09:12:42,072 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 76 remaining) [2024-02-02 09:12:42,072 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 76 remaining) [2024-02-02 09:12:42,072 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 76 remaining) [2024-02-02 09:12:42,072 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 76 remaining) [2024-02-02 09:12:42,072 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 76 remaining) [2024-02-02 09:12:42,074 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 76 remaining) [2024-02-02 09:12:42,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 76 remaining) [2024-02-02 09:12:42,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 76 remaining) [2024-02-02 09:12:42,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 76 remaining) [2024-02-02 09:12:42,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 76 remaining) [2024-02-02 09:12:42,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 76 remaining) [2024-02-02 09:12:42,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 76 remaining) [2024-02-02 09:12:42,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 76 remaining) [2024-02-02 09:12:42,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (34 of 76 remaining) [2024-02-02 09:12:42,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 76 remaining) [2024-02-02 09:12:42,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 76 remaining) [2024-02-02 09:12:42,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 76 remaining) [2024-02-02 09:12:42,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 76 remaining) [2024-02-02 09:12:42,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 76 remaining) [2024-02-02 09:12:42,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 76 remaining) [2024-02-02 09:12:42,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 76 remaining) [2024-02-02 09:12:42,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 76 remaining) [2024-02-02 09:12:42,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 76 remaining) [2024-02-02 09:12:42,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 76 remaining) [2024-02-02 09:12:42,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 76 remaining) [2024-02-02 09:12:42,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 76 remaining) [2024-02-02 09:12:42,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 76 remaining) [2024-02-02 09:12:42,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 76 remaining) [2024-02-02 09:12:42,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 76 remaining) [2024-02-02 09:12:42,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 76 remaining) [2024-02-02 09:12:42,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 76 remaining) [2024-02-02 09:12:42,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 76 remaining) [2024-02-02 09:12:42,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 76 remaining) [2024-02-02 09:12:42,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 76 remaining) [2024-02-02 09:12:42,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 76 remaining) [2024-02-02 09:12:42,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 76 remaining) [2024-02-02 09:12:42,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 76 remaining) [2024-02-02 09:12:42,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONERROR_FUNCTION (10 of 76 remaining) [2024-02-02 09:12:42,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 76 remaining) [2024-02-02 09:12:42,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 76 remaining) [2024-02-02 09:12:42,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 76 remaining) [2024-02-02 09:12:42,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 76 remaining) [2024-02-02 09:12:42,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 76 remaining) [2024-02-02 09:12:42,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 76 remaining) [2024-02-02 09:12:42,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 76 remaining) [2024-02-02 09:12:42,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 76 remaining) [2024-02-02 09:12:42,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 76 remaining) [2024-02-02 09:12:42,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 76 remaining) [2024-02-02 09:12:42,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-02 09:12:42,088 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-02 09:12:42,092 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2024-02-02 09:12:42,093 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-02 09:12:42,112 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,112 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,113 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,113 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,113 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,113 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,113 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,113 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,113 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,113 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,114 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,114 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,114 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,114 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,114 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,114 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Invalid location (Location is no CACSLLocation) [2024-02-02 09:12:42,114 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated [2024-02-02 09:12:42,115 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem24 could not be translated [2024-02-02 09:12:42,115 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2024-02-02 09:12:42,115 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2024-02-02 09:12:42,115 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated [2024-02-02 09:12:42,115 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2024-02-02 09:12:42,115 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated [2024-02-02 09:12:42,115 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated [2024-02-02 09:12:42,116 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2024-02-02 09:12:42,116 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated [2024-02-02 09:12:42,116 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2024-02-02 09:12:42,116 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated [2024-02-02 09:12:42,116 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2024-02-02 09:12:42,116 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated [2024-02-02 09:12:42,116 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2024-02-02 09:12:42,117 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2024-02-02 09:12:42,123 INFO L503 ceAbstractionStarter]: Automizer considered 24 witness invariants [2024-02-02 09:12:42,123 INFO L504 ceAbstractionStarter]: WitnessConsidered=24 [2024-02-02 09:12:42,123 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:12:42 BasicIcfg [2024-02-02 09:12:42,124 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-02 09:12:42,124 INFO L158 Benchmark]: Toolchain (without parser) took 2860.60ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 111.4MB in the beginning and 118.0MB in the end (delta: -6.6MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2024-02-02 09:12:42,124 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:12:42,124 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 146.8MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:12:42,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.00ms. Allocated memory is still 146.8MB. Free memory was 111.4MB in the beginning and 82.4MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-02-02 09:12:42,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.87ms. Allocated memory is still 146.8MB. Free memory was 82.4MB in the beginning and 78.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-02 09:12:42,125 INFO L158 Benchmark]: Boogie Preprocessor took 59.33ms. Allocated memory is still 146.8MB. Free memory was 78.8MB in the beginning and 75.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:12:42,126 INFO L158 Benchmark]: RCFGBuilder took 929.86ms. Allocated memory is still 146.8MB. Free memory was 75.3MB in the beginning and 51.1MB in the end (delta: 24.2MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-02-02 09:12:42,128 INFO L158 Benchmark]: TraceAbstraction took 1215.65ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 50.0MB in the beginning and 118.0MB in the end (delta: -68.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:12:42,130 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 146.8MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.00ms. Allocated memory is still 146.8MB. Free memory was 111.4MB in the beginning and 82.4MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.87ms. Allocated memory is still 146.8MB. Free memory was 82.4MB in the beginning and 78.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.33ms. Allocated memory is still 146.8MB. Free memory was 78.8MB in the beginning and 75.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 929.86ms. Allocated memory is still 146.8MB. Free memory was 75.3MB in the beginning and 51.1MB in the end (delta: 24.2MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1215.65ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 50.0MB in the beginning and 118.0MB in the end (delta: -68.0MB). There was no memory consumed. 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~mem12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 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, 0.2s 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: 0.4s, 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, 0.0s 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! [2024-02-02 09:12:42,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE