./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/sssc12_variant.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 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-lit/sssc12_variant.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/sssc12_variant.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-958ec4d-m [2024-02-07 14:25:34,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:25:34,253 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:25:34,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:25:34,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:25:34,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:25:34,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:25:34,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:25:34,286 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:25:34,289 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:25:34,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:25:34,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:25:34,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:25:34,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:25:34,292 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:25:34,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:25:34,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:25:34,293 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:25:34,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:25:34,293 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:25:34,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:25:34,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:25:34,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:25:34,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:25:34,294 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:25:34,294 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:25:34,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:25:34,295 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:25:34,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:25:34,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:25:34,296 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:25:34,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:25:34,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:25:34,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:25:34,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:25:34,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:25:34,298 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:25:34,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:25:34,298 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:25:34,298 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:25:34,298 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:25:34,299 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:25:34,299 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:25:34,299 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:25:34,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:25:34,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:25:34,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:25:34,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:25:34,538 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:25:34,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2024-02-07 14:25:35,571 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:25:35,832 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:25:35,834 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2024-02-07 14:25:35,852 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72d7ae630/1a16ebafe57948b8bebed48c700cddf0/FLAG4f8b6aaf1 [2024-02-07 14:25:35,865 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72d7ae630/1a16ebafe57948b8bebed48c700cddf0 [2024-02-07 14:25:35,867 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:25:35,868 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:25:35,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/sssc12_variant.yml/witness.yml [2024-02-07 14:25:35,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:25:35,973 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:25:35,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:25:35,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:25:35,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:25:35,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:25:35" (1/2) ... [2024-02-07 14:25:35,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7764c2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:25:35, skipping insertion in model container [2024-02-07 14:25:35,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:25:35" (1/2) ... [2024-02-07 14:25:35,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@298d3722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:25:35, skipping insertion in model container [2024-02-07 14:25:35,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:25:35" (2/2) ... [2024-02-07 14:25:35,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7764c2fc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:35, skipping insertion in model container [2024-02-07 14:25:35,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:25:35" (2/2) ... [2024-02-07 14:25:35,980 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:25:36,074 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:25:36,076 INFO L76 edCorrectnessWitness]: Location invariant before [L1033-L1033] (c <= 2147483646) && ((-1LL - (long long )c) + (long long )end >= 0LL) [2024-02-07 14:25:36,076 INFO L76 edCorrectnessWitness]: Location invariant before [L1032-L1032] (c <= 2147483646) && ((-1LL - (long long )c) + (long long )end >= 0LL) [2024-02-07 14:25:36,076 INFO L76 edCorrectnessWitness]: Location invariant before [L1024-L1024] ((((((2147483648LL + (long long )c) + (long long )end >= 0LL) && ((2147483648LL - (long long )c) + (long long )end >= 0LL)) && ((2147483647LL + (long long )c) - (long long )end >= 0LL)) && ((2147483647LL - (long long )c) - (long long )end >= 0LL)) && (0 == c)) && (c == 0) [2024-02-07 14:25:36,077 INFO L76 edCorrectnessWitness]: Location invariant before [L1037-L1037] (long long )c - (long long )end >= 0LL [2024-02-07 14:25:36,077 INFO L76 edCorrectnessWitness]: Location invariant before [L1028-L1028] 0 == end [2024-02-07 14:25:36,077 INFO L76 edCorrectnessWitness]: Location invariant before [L1019-L1019] (int )lock == 0 [2024-02-07 14:25:36,078 INFO L76 edCorrectnessWitness]: Location invariant before [L1035-L1035] (c <= 2147483646) && ((-1LL - (long long )c) + (long long )end >= 0LL) [2024-02-07 14:25:36,078 INFO L76 edCorrectnessWitness]: Location invariant before [L1025-L1025] ((((((((0LL - (long long )c) + (long long )end >= 0LL) && ((long long )c + (long long )end >= 0LL)) && ((0LL - (long long )c) - (long long )end >= 0LL)) && ((long long )c - (long long )end >= 0LL)) && (0 == c)) && (0 == end)) && (c == end)) && (end == 0) [2024-02-07 14:25:36,078 INFO L76 edCorrectnessWitness]: Location invariant before [L1023-L1023] ((((4294967296LL + (long long )c) + (long long )end >= 0LL) && ((4294967295LL - (long long )c) + (long long )end >= 0LL)) && ((4294967295LL + (long long )c) - (long long )end >= 0LL)) && ((4294967294LL - (long long )c) - (long long )end >= 0LL) [2024-02-07 14:25:36,078 INFO L76 edCorrectnessWitness]: Location invariant before [L1034-L1034] (c <= 2147483646) && ((-1LL - (long long )c) + (long long )end >= 0LL) [2024-02-07 14:25:36,078 INFO L76 edCorrectnessWitness]: Location invariant before [L1027-L1027] (((((((0LL - (long long )c) + (long long )end >= 0LL) && ((long long )c + (long long )end >= 0LL)) && ((0LL - (long long )c) - (long long )end >= 0LL)) && ((long long )c - (long long )end >= 0LL)) && (0 == c)) && (0 == end)) && (c == end) [2024-02-07 14:25:36,078 INFO L76 edCorrectnessWitness]: Location invariant before [L1026-L1026] ((((((((0LL - (long long )c) + (long long )end >= 0LL) && ((long long )c + (long long )end >= 0LL)) && ((0LL - (long long )c) - (long long )end >= 0LL)) && ((long long )c - (long long )end >= 0LL)) && (0 == c)) && (0 == end)) && (c == end)) && (end == 0) [2024-02-07 14:25:36,078 INFO L76 edCorrectnessWitness]: Location invariant before [L1013-L1013] (int )lock == 1 [2024-02-07 14:25:36,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:25:36,430 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-lit/sssc12_variant.i[46865,46878] [2024-02-07 14:25:36,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:25:36,461 INFO L203 MainTranslator]: Completed pre-run [2024-02-07 14:25:36,501 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-lit/sssc12_variant.i[46865,46878] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:25:36,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:25:36,634 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:25:36,636 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:36 WrapperNode [2024-02-07 14:25:36,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:25:36,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:25:36,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:25:36,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:25:36,643 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 07.02 02:25:36" (1/1) ... [2024-02-07 14:25:36,665 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 07.02 02:25:36" (1/1) ... [2024-02-07 14:25:36,683 INFO L138 Inliner]: procedures = 275, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2024-02-07 14:25:36,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:25:36,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:25:36,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:25:36,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:25:36,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:36" (1/1) ... [2024-02-07 14:25:36,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:36" (1/1) ... [2024-02-07 14:25:36,701 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:36" (1/1) ... [2024-02-07 14:25:36,712 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 1, 3]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 1, 2]. [2024-02-07 14:25:36,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:36" (1/1) ... [2024-02-07 14:25:36,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:36" (1/1) ... [2024-02-07 14:25:36,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:36" (1/1) ... [2024-02-07 14:25:36,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:36" (1/1) ... [2024-02-07 14:25:36,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:36" (1/1) ... [2024-02-07 14:25:36,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:36" (1/1) ... [2024-02-07 14:25:36,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:25:36,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:25:36,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:25:36,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:25:36,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:36" (1/1) ... [2024-02-07 14:25:36,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:25:36,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:25:36,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:25:36,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:25:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:25:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2024-02-07 14:25:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2024-02-07 14:25:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:25:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:25:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:25:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:25:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:25:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:25:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:25:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:25:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:25:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-02-07 14:25:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:25:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:25:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:25:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:25:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:25:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:25:36,791 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:25:36,925 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:25:36,930 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:25:37,157 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:25:37,157 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:25:37,270 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:25:37,271 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-02-07 14:25:37,272 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:25:37 BoogieIcfgContainer [2024-02-07 14:25:37,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:25:37,275 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:25:37,275 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:25:37,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:25:37,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:25:35" (1/4) ... [2024-02-07 14:25:37,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6056418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:25:37, skipping insertion in model container [2024-02-07 14:25:37,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:25:35" (2/4) ... [2024-02-07 14:25:37,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6056418 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:25:37, skipping insertion in model container [2024-02-07 14:25:37,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:36" (3/4) ... [2024-02-07 14:25:37,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6056418 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:25:37, skipping insertion in model container [2024-02-07 14:25:37,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:25:37" (4/4) ... [2024-02-07 14:25:37,282 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2024-02-07 14:25:37,298 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:25:37,298 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-02-07 14:25:37,299 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:25:37,348 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:25:37,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 45 transitions, 94 flow [2024-02-07 14:25:37,410 INFO L124 PetriNetUnfolderBase]: 3/47 cut-off events. [2024-02-07 14:25:37,411 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:25:37,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 47 events. 3/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2024-02-07 14:25:37,413 INFO L82 GeneralOperation]: Start removeDead. Operand has 45 places, 45 transitions, 94 flow [2024-02-07 14:25:37,416 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 45 transitions, 94 flow [2024-02-07 14:25:37,428 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:25:37,436 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;@2bb36128, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:25:37,437 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-02-07 14:25:37,442 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:25:37,442 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-02-07 14:25:37,442 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:25:37,443 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:25:37,443 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:25:37,444 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 26 more)] === [2024-02-07 14:25:37,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:25:37,449 INFO L85 PathProgramCache]: Analyzing trace with hash 302711019, now seen corresponding path program 1 times [2024-02-07 14:25:37,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:25:37,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597293865] [2024-02-07 14:25:37,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:25:37,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:25:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:25:37,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:25:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:25:37,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:25:37,644 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:25:37,646 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 29 remaining) [2024-02-07 14:25:37,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 29 remaining) [2024-02-07 14:25:37,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 29 remaining) [2024-02-07 14:25:37,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 29 remaining) [2024-02-07 14:25:37,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 29 remaining) [2024-02-07 14:25:37,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 29 remaining) [2024-02-07 14:25:37,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 29 remaining) [2024-02-07 14:25:37,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 29 remaining) [2024-02-07 14:25:37,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 29 remaining) [2024-02-07 14:25:37,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 29 remaining) [2024-02-07 14:25:37,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 29 remaining) [2024-02-07 14:25:37,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 29 remaining) [2024-02-07 14:25:37,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 29 remaining) [2024-02-07 14:25:37,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 29 remaining) [2024-02-07 14:25:37,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONERROR_FUNCTION (14 of 29 remaining) [2024-02-07 14:25:37,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 29 remaining) [2024-02-07 14:25:37,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 29 remaining) [2024-02-07 14:25:37,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 29 remaining) [2024-02-07 14:25:37,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 29 remaining) [2024-02-07 14:25:37,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 29 remaining) [2024-02-07 14:25:37,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 29 remaining) [2024-02-07 14:25:37,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 29 remaining) [2024-02-07 14:25:37,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 29 remaining) [2024-02-07 14:25:37,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 29 remaining) [2024-02-07 14:25:37,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 29 remaining) [2024-02-07 14:25:37,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 29 remaining) [2024-02-07 14:25:37,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 29 remaining) [2024-02-07 14:25:37,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONERROR_FUNCTION (1 of 29 remaining) [2024-02-07 14:25:37,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 29 remaining) [2024-02-07 14:25:37,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:25:37,656 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 14:25:37,663 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:25:37,664 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:25:37,686 INFO L503 ceAbstractionStarter]: Automizer considered 13 witness invariants [2024-02-07 14:25:37,686 INFO L504 ceAbstractionStarter]: WitnessConsidered=13 [2024-02-07 14:25:37,687 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:25:37 BasicIcfg [2024-02-07 14:25:37,688 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:25:37,688 INFO L158 Benchmark]: Toolchain (without parser) took 1715.90ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 90.1MB in the beginning and 57.6MB in the end (delta: 32.5MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2024-02-07 14:25:37,689 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory was 92.5MB in the beginning and 92.5MB in the end (delta: 41.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:25:37,689 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:25:37,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.77ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 89.8MB in the beginning and 123.6MB in the end (delta: -33.8MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2024-02-07 14:25:37,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.21ms. Allocated memory is still 157.3MB. Free memory was 123.6MB in the beginning and 121.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:25:37,690 INFO L158 Benchmark]: Boogie Preprocessor took 39.52ms. Allocated memory is still 157.3MB. Free memory was 120.5MB in the beginning and 118.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:25:37,690 INFO L158 Benchmark]: RCFGBuilder took 547.49ms. Allocated memory is still 157.3MB. Free memory was 118.4MB in the beginning and 88.0MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-02-07 14:25:37,691 INFO L158 Benchmark]: TraceAbstraction took 412.70ms. Allocated memory is still 157.3MB. Free memory was 86.9MB in the beginning and 57.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-02-07 14:25:37,692 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory was 92.5MB in the beginning and 92.5MB in the end (delta: 41.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 662.77ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 89.8MB in the beginning and 123.6MB in the end (delta: -33.8MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.21ms. Allocated memory is still 157.3MB. Free memory was 123.6MB in the beginning and 121.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.52ms. Allocated memory is still 157.3MB. Free memory was 120.5MB in the beginning and 118.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.49ms. Allocated memory is still 157.3MB. Free memory was 118.4MB in the beginning and 88.0MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 412.70ms. Allocated memory is still 157.3MB. Free memory was 86.9MB in the beginning and 57.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1023]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L1005] 0 int *data; [L1006] 0 volatile int len; [L1007] 0 volatile int next; [L1008] 0 volatile int lock; [L1040] 0 pthread_t t; [L1041] 0 lock=0 [L1042] 0 next = 0 [L1043] 0 len = __VERIFIER_nondet_int() [L1044] CALL 0 assume_abort_if_not(len > 0 && len < 4294967296 / sizeof(int)) [L994] COND FALSE 0 !(!cond) [L1044] RET 0 assume_abort_if_not(len > 0 && len < 4294967296 / sizeof(int)) [L1045] 0 data = malloc(sizeof(int) * len) [L1046] COND TRUE 0 1 [L1047] FCALL, FORK 0 pthread_create(&t, 0, thr, 0) VAL [\old(argc)=4294967297, argc=4294967297, argv={4294967298:4294967299}, data={-2:0}, len=2, lock=0, next=0, t={3:0}] [L1022] 1 int c, end; VAL [arg={0:0}, arg={0:0}, data={-2:0}, len=2, lock=0, next=0] [L1023] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967296LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[end]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[end]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[end]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967294LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[end]]],IntegerLiteral[0LL]]]]] VAL [arg={0:0}, arg={0:0}, c=4294967296, data={-2:0}, end=-1, len=2, lock=0, next=0] - UnprovableResult [Line: 1047]: 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. - UnprovableResult [Line: 1024]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1025]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1013]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1026]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1027]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1028]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1019]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1032]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1037]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1033]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1034]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 998]: 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: 1035]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 80 locations, 29 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=94occurred 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, 0.1s 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! [2024-02-07 14:25:37,720 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