./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur-pthread.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-pthread.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3d25acf6 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur-pthread.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/37_stack_lock_p0_vs_concur-pthread.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-3d25acf-m [2024-01-30 14:16:32,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:16:32,952 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:16:32,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:16:32,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:16:32,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:16:32,976 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:16:32,976 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:16:32,977 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:16:32,977 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:16:32,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:16:32,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:16:32,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:16:32,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:16:32,979 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:16:32,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:16:32,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:16:32,980 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:16:32,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:16:32,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:16:32,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:16:32,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:16:32,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:16:32,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:16:32,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:16:32,983 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:16:32,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:16:32,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:16:32,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:16:32,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:16:32,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:16:32,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:16:32,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:16:32,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:16:32,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:16:32,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:16:32,987 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:16:32,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:16:32,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:16:32,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:16:32,988 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:16:32,989 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:16:32,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:16:32,989 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:16:33,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:16:33,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:16:33,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:16:33,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:16:33,227 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:16:33,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur-pthread.i [2024-01-30 14:16:34,456 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:16:34,715 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:16:34,719 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur-pthread.i [2024-01-30 14:16:34,737 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc687578/c79aefd5659c4b52b9c4b78473e506ea/FLAGd4a93fac2 [2024-01-30 14:16:35,023 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc687578/c79aefd5659c4b52b9c4b78473e506ea [2024-01-30 14:16:35,027 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:16:35,029 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:16:35,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/37_stack_lock_p0_vs_concur-pthread.yml/witness.yml [2024-01-30 14:16:35,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:16:35,190 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:16:35,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:16:35,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:16:35,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:16:35,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:16:35" (1/2) ... [2024-01-30 14:16:35,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46647f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:16:35, skipping insertion in model container [2024-01-30 14:16:35,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:16:35" (1/2) ... [2024-01-30 14:16:35,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@87b9840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:16:35, skipping insertion in model container [2024-01-30 14:16:35,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:16:35" (2/2) ... [2024-01-30 14:16:35,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46647f75 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35, skipping insertion in model container [2024-01-30 14:16:35,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:16:35" (2/2) ... [2024-01-30 14:16:35,203 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:16:35,347 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:16:35,349 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] ((((((((((((((((((((((((((((((2147483638LL + (long long )d) + (long long )oldTop >= 0LL) && ((2147483638LL + (long long )d) + (long long )newTop >= 0LL)) && ((4294967296LL + (long long )newTop) + (long long )oldTop >= 0LL)) && ((2147483658LL - (long long )d) + (long long )oldTop >= 0LL)) && ((2147483658LL - (long long )d) + (long long )newTop >= 0LL)) && ((4294967295LL - (long long )newTop) + (long long )oldTop >= 0LL)) && ((2147483637LL + (long long )d) - (long long )oldTop >= 0LL)) && ((2147483637LL + (long long )d) - (long long )newTop >= 0LL)) && ((4294967295LL + (long long )newTop) - (long long )oldTop >= 0LL)) && ((2147483657LL - (long long )d) - (long long )oldTop >= 0LL)) && ((2147483657LL - (long long )d) - (long long )newTop >= 0LL)) && ((4294967294LL - (long long )newTop) - (long long )oldTop >= 0LL)) && (10 == d)) && (d == 10)) && ((-9LL + (long long )d) + (long long )oldTop >= 0LL)) && ((2147483638LL + (long long )d) + (long long )newTop >= 0LL)) && ((2147483649LL + (long long )newTop) + (long long )oldTop >= 0LL)) && ((11LL - (long long )d) + (long long )oldTop >= 0LL)) && ((2147483648LL - (long long )newTop) + (long long )oldTop >= 0LL)) && ((2147483658LL - (long long )d) + (long long )newTop >= 0LL)) && ((-11LL + (long long )d) - (long long )oldTop >= 0LL)) && ((2147483637LL + (long long )d) - (long long )newTop >= 0LL)) && ((2147483647LL + (long long )newTop) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )oldTop >= 0LL)) && ((2147483646LL - (long long )newTop) - (long long )oldTop >= 0LL)) && ((2147483657LL - (long long )d) - (long long )newTop >= 0LL)) && (-1 == oldTop)) && (10 == d)) && (d == 10)) && (oldTop == -1) [2024-01-30 14:16:35,349 INFO L98 nessWitnessExtractor]: Loop invariant at [L713-L713] (unsigned long )arg == 0UL [2024-01-30 14:16:35,349 INFO L98 nessWitnessExtractor]: Location invariant before [L713-L713] (((((((((((unsigned long )arg == 0UL) && (1 <= top)) && (top <= 64)) && ((unsigned long )arg == 0UL)) && (top != 0)) && ((unsigned long )arg == 0UL)) && (0 <= top)) && (top <= 64)) && ((unsigned long )arg == 0UL)) && (top == 0)) && ((unsigned long )arg == 0UL) [2024-01-30 14:16:35,350 INFO L98 nessWitnessExtractor]: Location invariant before [L705-L705] ((((((((((1 <= newTop) && (newTop <= 64)) && ((-9LL + (long long )d) + (long long )oldTop >= 0LL)) && ((11LL - (long long )d) + (long long )oldTop >= 0LL)) && ((-11LL + (long long )d) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )oldTop >= 0LL)) && (-1 == oldTop)) && (10 == d)) && (d == 10)) && (oldTop == -1)) && (newTop != 0) [2024-01-30 14:16:35,350 INFO L98 nessWitnessExtractor]: Location invariant after [L695-L696] (((1 <= next_alloc_idx) && (next_alloc_idx <= 64)) && (next_alloc_idx % 2 == 1)) && (((1 <= *curr_alloc_idx && *curr_alloc_idx <= 64) && *curr_alloc_idx % 2 == 1) || *curr_alloc_idx == -1) [2024-01-30 14:16:35,350 INFO L98 nessWitnessExtractor]: Location invariant before [L695-L696] ((((((((1 <= next_alloc_idx) && (next_alloc_idx <= 66)) && (*curr_alloc_idx == -1)) && (next_alloc_idx % 2 == 1)) && (65 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (*curr_alloc_idx == -1)) && (next_alloc_idx % 2 == 1)) && (next_alloc_idx != -1) [2024-01-30 14:16:35,351 INFO L98 nessWitnessExtractor]: Location invariant before [L704-L704] ((((((((((1 <= newTop) && (newTop <= 64)) && ((-9LL + (long long )d) + (long long )oldTop >= 0LL)) && ((11LL - (long long )d) + (long long )oldTop >= 0LL)) && ((-11LL + (long long )d) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )oldTop >= 0LL)) && (-1 == oldTop)) && (10 == d)) && (d == 10)) && (oldTop == -1)) && (newTop != 0) [2024-01-30 14:16:35,351 INFO L98 nessWitnessExtractor]: Location invariant after [L693-L697] ((((0 <= *curr_alloc_idx) && (3 <= next_alloc_idx)) && (next_alloc_idx <= 66)) && (*curr_alloc_idx <= 64)) && (next_alloc_idx % 2 == 1) [2024-01-30 14:16:35,351 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (((((((((((((((((((-9LL + (long long )d) + (long long )oldTop >= 0LL) && ((-9LL + (long long )d) + (long long )newTop >= 0LL)) && ((2LL + (long long )newTop) + (long long )oldTop >= 0LL)) && ((0LL - (long long )newTop) + (long long )oldTop >= 0LL)) && ((11LL - (long long )d) + (long long )oldTop >= 0LL)) && ((11LL - (long long )d) + (long long )newTop >= 0LL)) && ((-11LL + (long long )d) - (long long )oldTop >= 0LL)) && ((-11LL + (long long )d) - (long long )newTop >= 0LL)) && ((-2LL - (long long )newTop) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )newTop >= 0LL)) && ((long long )newTop - (long long )oldTop >= 0LL)) && (-1 == oldTop)) && (-1 == newTop)) && (10 == d)) && (d == 10)) && (oldTop == -1)) && (oldTop == newTop)) && (newTop == -1) [2024-01-30 14:16:35,351 INFO L98 nessWitnessExtractor]: Location invariant after [L698-L711] ((((((0 <= oldTop) && (1 <= newTop)) && (oldTop <= 64)) && (newTop <= 64)) && (10 == d)) && (d == 10)) && (newTop != 0) [2024-01-30 14:16:35,351 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L710] (((((((((0 <= newTop) && (newTop <= 64)) && ((-9LL + (long long )d) + (long long )oldTop >= 0LL)) && ((11LL - (long long )d) + (long long )oldTop >= 0LL)) && ((-11LL + (long long )d) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )oldTop >= 0LL)) && (-1 == oldTop)) && (10 == d)) && (d == 10)) && (oldTop == -1) [2024-01-30 14:16:35,352 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L709] (((((((((0 <= oldTop) && (1 <= top)) && (1 <= newTop)) && (top <= 64)) && (oldTop <= 64)) && (newTop <= 64)) && (10 == d)) && (d == 10)) && (top != 0)) && (newTop != 0) [2024-01-30 14:16:35,352 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] (((((((((((((((((-10LL + (long long )d) + (long long )newTop >= 0LL) && ((-9LL + (long long )d) + (long long )oldTop >= 0LL)) && ((1LL + (long long )newTop) + (long long )oldTop >= 0LL)) && ((1LL - (long long )newTop) + (long long )oldTop >= 0LL)) && ((10LL - (long long )d) + (long long )newTop >= 0LL)) && ((11LL - (long long )d) + (long long )oldTop >= 0LL)) && ((-11LL + (long long )d) - (long long )oldTop >= 0LL)) && ((-10LL + (long long )d) - (long long )newTop >= 0LL)) && ((-1LL + (long long )newTop) - (long long )oldTop >= 0LL)) && ((-1LL - (long long )newTop) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )oldTop >= 0LL)) && ((10LL - (long long )d) - (long long )newTop >= 0LL)) && (-1 == oldTop)) && (10 == d)) && (d == 10)) && (oldTop == -1)) && (newTop == 0) [2024-01-30 14:16:35,352 INFO L98 nessWitnessExtractor]: Location invariant before [L708-L708] ((((((((0 <= top) && (0 <= oldTop)) && (1 <= newTop)) && (top <= 64)) && (oldTop <= 64)) && (newTop <= 64)) && (10 == d)) && (d == 10)) && (newTop != 0) [2024-01-30 14:16:35,352 INFO L98 nessWitnessExtractor]: Location invariant before [L707-L707] ((((((((0 <= top) && (0 <= oldTop)) && (1 <= newTop)) && (top <= 64)) && (oldTop <= 64)) && (newTop <= 64)) && (10 == d)) && (d == 10)) && (newTop != 0) [2024-01-30 14:16:35,352 INFO L98 nessWitnessExtractor]: Location invariant before [L706-L706] ((((((((((((0 <= top) && (1 <= newTop)) && (top <= 64)) && (newTop <= 64)) && ((-9LL + (long long )d) + (long long )oldTop >= 0LL)) && ((11LL - (long long )d) + (long long )oldTop >= 0LL)) && ((-11LL + (long long )d) - (long long )oldTop >= 0LL)) && ((9LL - (long long )d) - (long long )oldTop >= 0LL)) && (-1 == oldTop)) && (10 == d)) && (d == 10)) && (oldTop == -1)) && (newTop != 0) [2024-01-30 14:16:35,394 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:16:35,736 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-pthread.i[31052,31065] [2024-01-30 14:16:35,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:16:35,761 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-01-30 14:16:35,836 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 [2024-01-30 14:16:35,941 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; pthread_mutex_lock(&m); oldTop = top; memory[newTop+1] = oldTop; top = newTop; pthread_mutex_unlock(&m); } } with a witness entry [2024-01-30 14:16:35,942 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-pthread.i[31052,31065] Start Parsing Local Start Parsing Local [2024-01-30 14:16:35,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:16:35,975 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:16:35,976 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35 WrapperNode [2024-01-30 14:16:35,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:16:35,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:16:35,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:16:35,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:16:35,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35" (1/1) ... [2024-01-30 14:16:35,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35" (1/1) ... [2024-01-30 14:16:36,034 INFO L138 Inliner]: procedures = 165, calls = 94, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 278 [2024-01-30 14:16:36,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:16:36,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:16:36,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:16:36,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:16:36,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35" (1/1) ... [2024-01-30 14:16:36,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35" (1/1) ... [2024-01-30 14:16:36,057 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35" (1/1) ... [2024-01-30 14:16:36,082 INFO L175 MemorySlicer]: Split 77 memory accesses to 4 slices as follows [2, 69, 5, 1]. 90 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 1, 5, 0]. The 3 writes are split as follows [0, 2, 0, 1]. [2024-01-30 14:16:36,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35" (1/1) ... [2024-01-30 14:16:36,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35" (1/1) ... [2024-01-30 14:16:36,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35" (1/1) ... [2024-01-30 14:16:36,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35" (1/1) ... [2024-01-30 14:16:36,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35" (1/1) ... [2024-01-30 14:16:36,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35" (1/1) ... [2024-01-30 14:16:36,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:16:36,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:16:36,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:16:36,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:16:36,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35" (1/1) ... [2024-01-30 14:16:36,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:16:36,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:16:36,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-30 14:16:36,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-30 14:16:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-30 14:16:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-30 14:16:36,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-30 14:16:36,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-30 14:16:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-01-30 14:16:36,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-01-30 14:16:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:16:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:16:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:16:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-30 14:16:36,188 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-30 14:16:36,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:16:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:16:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:16:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:16:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:16:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:16:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-30 14:16:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-30 14:16:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:16:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:16:36,193 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-30 14:16:36,330 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:16:36,331 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:16:36,783 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:16:36,783 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:16:37,200 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:16:37,200 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-30 14:16:37,201 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:16:37 BoogieIcfgContainer [2024-01-30 14:16:37,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:16:37,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:16:37,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:16:37,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:16:37,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:16:35" (1/4) ... [2024-01-30 14:16:37,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2f009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:16:37, skipping insertion in model container [2024-01-30 14:16:37,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:16:35" (2/4) ... [2024-01-30 14:16:37,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2f009 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:16:37, skipping insertion in model container [2024-01-30 14:16:37,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:16:35" (3/4) ... [2024-01-30 14:16:37,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2f009 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:16:37, skipping insertion in model container [2024-01-30 14:16:37,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:16:37" (4/4) ... [2024-01-30 14:16:37,209 INFO L112 eAbstractionObserver]: Analyzing ICFG 37_stack_lock_p0_vs_concur-pthread.i [2024-01-30 14:16:37,226 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:16:37,227 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-01-30 14:16:37,227 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:16:37,339 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-30 14:16:37,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 54 transitions, 112 flow [2024-01-30 14:16:37,396 INFO L124 PetriNetUnfolderBase]: 3/56 cut-off events. [2024-01-30 14:16:37,397 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:16:37,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 56 events. 3/56 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2024-01-30 14:16:37,401 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 54 transitions, 112 flow [2024-01-30 14:16:37,405 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 54 transitions, 112 flow [2024-01-30 14:16:37,422 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:16:37,432 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;@392524b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:16:37,432 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-01-30 14:16:37,437 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:16:37,437 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-01-30 14:16:37,437 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:16:37,437 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:16:37,438 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-30 14:16:37,439 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 30 more)] === [2024-01-30 14:16:37,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:16:37,445 INFO L85 PathProgramCache]: Analyzing trace with hash 631975746, now seen corresponding path program 1 times [2024-01-30 14:16:37,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:16:37,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792233621] [2024-01-30 14:16:37,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:16:37,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:16:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:16:37,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-30 14:16:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:16:37,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-30 14:16:37,625 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-30 14:16:37,626 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 33 remaining) [2024-01-30 14:16:37,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 33 remaining) [2024-01-30 14:16:37,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 33 remaining) [2024-01-30 14:16:37,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 33 remaining) [2024-01-30 14:16:37,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 33 remaining) [2024-01-30 14:16:37,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 33 remaining) [2024-01-30 14:16:37,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 33 remaining) [2024-01-30 14:16:37,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 33 remaining) [2024-01-30 14:16:37,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 33 remaining) [2024-01-30 14:16:37,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 33 remaining) [2024-01-30 14:16:37,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 33 remaining) [2024-01-30 14:16:37,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 33 remaining) [2024-01-30 14:16:37,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (20 of 33 remaining) [2024-01-30 14:16:37,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 33 remaining) [2024-01-30 14:16:37,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 33 remaining) [2024-01-30 14:16:37,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 33 remaining) [2024-01-30 14:16:37,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 33 remaining) [2024-01-30 14:16:37,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 33 remaining) [2024-01-30 14:16:37,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 33 remaining) [2024-01-30 14:16:37,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 33 remaining) [2024-01-30 14:16:37,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 33 remaining) [2024-01-30 14:16:37,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 33 remaining) [2024-01-30 14:16:37,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 33 remaining) [2024-01-30 14:16:37,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 33 remaining) [2024-01-30 14:16:37,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 33 remaining) [2024-01-30 14:16:37,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 33 remaining) [2024-01-30 14:16:37,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 33 remaining) [2024-01-30 14:16:37,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 33 remaining) [2024-01-30 14:16:37,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONERROR_FUNCTION (4 of 33 remaining) [2024-01-30 14:16:37,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 33 remaining) [2024-01-30 14:16:37,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 33 remaining) [2024-01-30 14:16:37,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 33 remaining) [2024-01-30 14:16:37,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 33 remaining) [2024-01-30 14:16:37,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:16:37,643 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-01-30 14:16:37,652 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-30 14:16:37,652 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-30 14:16:37,671 INFO L503 ceAbstractionStarter]: Automizer considered 15 witness invariants [2024-01-30 14:16:37,672 INFO L504 ceAbstractionStarter]: WitnessConsidered=15 [2024-01-30 14:16:37,673 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:16:37 BasicIcfg [2024-01-30 14:16:37,673 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-30 14:16:37,675 INFO L158 Benchmark]: Toolchain (without parser) took 2484.60ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 75.0MB in the beginning and 118.2MB in the end (delta: -43.2MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-01-30 14:16:37,675 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:16:37,676 INFO L158 Benchmark]: Witness Parser took 0.51ms. Allocated memory is still 140.5MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:16:37,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 785.29ms. Allocated memory is still 140.5MB. Free memory was 74.7MB in the beginning and 102.7MB in the end (delta: -28.0MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-01-30 14:16:37,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.20ms. Allocated memory is still 140.5MB. Free memory was 102.7MB in the beginning and 99.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-30 14:16:37,679 INFO L158 Benchmark]: Boogie Preprocessor took 79.05ms. Allocated memory is still 140.5MB. Free memory was 99.2MB in the beginning and 96.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-30 14:16:37,681 INFO L158 Benchmark]: RCFGBuilder took 1085.85ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 96.5MB in the beginning and 80.3MB in the end (delta: 16.2MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2024-01-30 14:16:37,682 INFO L158 Benchmark]: TraceAbstraction took 470.77ms. Allocated memory is still 190.8MB. Free memory was 79.2MB in the beginning and 118.2MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:16:37,684 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.51ms. Allocated memory is still 140.5MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 785.29ms. Allocated memory is still 140.5MB. Free memory was 74.7MB in the beginning and 102.7MB in the end (delta: -28.0MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.20ms. Allocated memory is still 140.5MB. Free memory was 102.7MB in the beginning and 99.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.05ms. Allocated memory is still 140.5MB. Free memory was 99.2MB in the beginning and 96.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1085.85ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 96.5MB in the beginning and 80.3MB in the end (delta: 16.2MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * TraceAbstraction took 470.77ms. Allocated memory is still 190.8MB. Free memory was 79.2MB in the beginning and 118.2MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 713]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L689] 0 int memory[(2*32+1)]; [L690] 0 int next_alloc_idx = 1; [L691] 0 pthread_mutex_t m = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L691] 0 pthread_mutex_t m = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L691] 0 pthread_mutex_t m = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L691] 0 pthread_mutex_t m = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L691] 0 pthread_mutex_t m = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L691] 0 pthread_mutex_t m = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L692] 0 int top = 0; [L718] 0 pthread_t t; VAL [m={3:0}, next_alloc_idx=1, t={5:0}, top=0] [L719] COND TRUE 0 1 [L719] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [m={3:0}, next_alloc_idx=1, t={5:0}, top=0] [L713] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]],BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[top]]],BinaryExpression[COMPLEQ,IdentifierExpression[top],IntegerLiteral[64]]],BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]],BinaryExpression[COMPNEQ,IdentifierExpression[top],IntegerLiteral[0]]],BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]],BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[top]]],BinaryExpression[COMPLEQ,IdentifierExpression[top],IntegerLiteral[64]]],BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]],BinaryExpression[COMPEQ,IdentifierExpression[top],IntegerLiteral[0]]],BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]]] VAL [arg={0:0}, arg={0:0}, m={3:0}, next_alloc_idx=1, top=0] - 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: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 695]: 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: 704]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 705]: 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: 713]: 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: 707]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 708]: 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: 709]: 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 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, 98 locations, 33 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-30 14:16:37,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE