./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-lit/sssc12.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.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.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/sssc12.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 14:25:29,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:25:29,295 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:25:29,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:25:29,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:25:29,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:25:29,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:25:29,317 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:25:29,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:25:29,318 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:25:29,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:25:29,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:25:29,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:25:29,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:25:29,319 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:25:29,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:25:29,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:25:29,320 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:25:29,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:25:29,320 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:25:29,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:25:29,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:25:29,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:25:29,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:25:29,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:25:29,322 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:25:29,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:25:29,322 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:25:29,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:25:29,323 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:25:29,323 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:25:29,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:25:29,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:25:29,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:25:29,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:25:29,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:25:29,324 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:25:29,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:25:29,325 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:25:29,325 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:25:29,325 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:25:29,325 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:25:29,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:25:29,326 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:25:29,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:25:29,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:25:29,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:25:29,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:25:29,553 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:25:29,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12.i [2024-02-07 14:25:30,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:25:30,775 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:25:30,778 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i [2024-02-07 14:25:30,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07ff16d74/2d0589a222274708b9cc82bc5951da67/FLAG93ade76c3 [2024-02-07 14:25:30,806 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07ff16d74/2d0589a222274708b9cc82bc5951da67 [2024-02-07 14:25:30,809 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:25:30,810 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:25:30,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/sssc12.yml/witness.yml [2024-02-07 14:25:30,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:25:30,910 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:25:30,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:25:30,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:25:30,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:25:30,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:25:30" (1/2) ... [2024-02-07 14:25:30,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb46b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:25:30, skipping insertion in model container [2024-02-07 14:25:30,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:25:30" (1/2) ... [2024-02-07 14:25:30,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a9b69c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:25:30, skipping insertion in model container [2024-02-07 14:25:30,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:25:30" (2/2) ... [2024-02-07 14:25:30,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb46b7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:30, skipping insertion in model container [2024-02-07 14:25:30,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:25:30" (2/2) ... [2024-02-07 14:25:30,920 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:25:30,999 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:25:31,000 INFO L76 edCorrectnessWitness]: Location invariant before [L1036-L1036] (long long )c - (long long )end >= 0LL [2024-02-07 14:25:31,001 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 14:25:31,001 INFO L76 edCorrectnessWitness]: Location invariant before [L1032-L1032] (((0 <= c) && (c <= 2147483646)) && ((-1LL + (long long )c) + (long long )end >= 0LL)) && ((-1LL - (long long )c) + (long long )end >= 0LL) [2024-02-07 14:25:31,001 INFO L76 edCorrectnessWitness]: Location invariant before [L1033-L1033] (c <= 2147483646) && ((-1LL - (long long )c) + (long long )end >= 0LL) [2024-02-07 14:25:31,001 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 14:25:31,002 INFO L76 edCorrectnessWitness]: Location invariant before [L1034-L1034] (c <= 2147483646) && ((-1LL - (long long )c) + (long long )end >= 0LL) [2024-02-07 14:25:31,002 INFO L76 edCorrectnessWitness]: Location invariant before [L1013-L1013] (int )lock == 1 [2024-02-07 14:25:31,002 INFO L76 edCorrectnessWitness]: Location invariant before [L1019-L1019] (int )lock == 0 [2024-02-07 14:25:31,002 INFO L76 edCorrectnessWitness]: Location invariant before [L1028-L1028] 0 == end [2024-02-07 14:25:31,002 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 14:25:31,002 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 14:25:31,002 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 14:25:31,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:25:31,334 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.i[46865,46878] [2024-02-07 14:25:31,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:25:31,360 INFO L203 MainTranslator]: Completed pre-run [2024-02-07 14:25:31,398 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.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 [2024-02-07 14:25:31,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:25:31,504 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:25:31,504 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:31 WrapperNode [2024-02-07 14:25:31,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:25:31,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:25:31,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:25:31,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:25:31,511 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 02:25:31" (1/1) ... [2024-02-07 14:25:31,535 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 02:25:31" (1/1) ... [2024-02-07 14:25:31,566 INFO L138 Inliner]: procedures = 275, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 94 [2024-02-07 14:25:31,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:25:31,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:25:31,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:25:31,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:25:31,576 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 02:25:31" (1/1) ... [2024-02-07 14:25:31,577 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 02:25:31" (1/1) ... [2024-02-07 14:25:31,588 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 02:25:31" (1/1) ... [2024-02-07 14:25:31,603 INFO L175 MemorySlicer]: Split 4 memory accesses to 3 slices as follows [2, 1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-02-07 14:25:31,605 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 02:25:31" (1/1) ... [2024-02-07 14:25:31,606 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 02:25:31" (1/1) ... [2024-02-07 14:25:31,619 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 02:25:31" (1/1) ... [2024-02-07 14:25:31,623 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 02:25:31" (1/1) ... [2024-02-07 14:25:31,626 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 02:25:31" (1/1) ... [2024-02-07 14:25:31,631 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 02:25:31" (1/1) ... [2024-02-07 14:25:31,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:25:31,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:25:31,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:25:31,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:25:31,636 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 02:25:31" (1/1) ... [2024-02-07 14:25:31,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:25:31,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:25:31,662 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 14:25:31,680 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 14:25:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:25:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2024-02-07 14:25:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2024-02-07 14:25:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:25:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:25:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:25:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:25:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:25:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:25:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-02-07 14:25:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:25:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:25:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:25:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:25:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:25:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:25:31,699 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 14:25:31,828 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:25:31,830 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:25:31,994 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:25:31,994 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:25:32,118 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:25:32,118 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-02-07 14:25:32,118 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:25:32 BoogieIcfgContainer [2024-02-07 14:25:32,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:25:32,120 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:25:32,120 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:25:32,122 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:25:32,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:25:30" (1/4) ... [2024-02-07 14:25:32,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799f14e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:25:32, skipping insertion in model container [2024-02-07 14:25:32,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:25:30" (2/4) ... [2024-02-07 14:25:32,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799f14e1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:25:32, skipping insertion in model container [2024-02-07 14:25:32,123 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 02:25:31" (3/4) ... [2024-02-07 14:25:32,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799f14e1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:25:32, skipping insertion in model container [2024-02-07 14:25:32,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:25:32" (4/4) ... [2024-02-07 14:25:32,124 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12.i [2024-02-07 14:25:32,137 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:25:32,137 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2024-02-07 14:25:32,137 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:25:32,188 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:25:32,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 43 transitions, 90 flow [2024-02-07 14:25:32,232 INFO L124 PetriNetUnfolderBase]: 3/45 cut-off events. [2024-02-07 14:25:32,232 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:25:32,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 45 events. 3/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2024-02-07 14:25:32,234 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 43 transitions, 90 flow [2024-02-07 14:25:32,243 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 43 places, 43 transitions, 90 flow [2024-02-07 14:25:32,256 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:25:32,261 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;@3132fe5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:25:32,261 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-02-07 14:25:32,267 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:25:32,267 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-02-07 14:25:32,267 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:25:32,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:25:32,268 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:25:32,268 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 24 more)] === [2024-02-07 14:25:32,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:25:32,272 INFO L85 PathProgramCache]: Analyzing trace with hash 288512693, now seen corresponding path program 1 times [2024-02-07 14:25:32,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:25:32,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822422513] [2024-02-07 14:25:32,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:25:32,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:25:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:25:32,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:25:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:25:32,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:25:32,412 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:25:32,413 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 27 remaining) [2024-02-07 14:25:32,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 27 remaining) [2024-02-07 14:25:32,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 27 remaining) [2024-02-07 14:25:32,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 27 remaining) [2024-02-07 14:25:32,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 27 remaining) [2024-02-07 14:25:32,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 27 remaining) [2024-02-07 14:25:32,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 27 remaining) [2024-02-07 14:25:32,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 27 remaining) [2024-02-07 14:25:32,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 27 remaining) [2024-02-07 14:25:32,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 27 remaining) [2024-02-07 14:25:32,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 27 remaining) [2024-02-07 14:25:32,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 27 remaining) [2024-02-07 14:25:32,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONERROR_FUNCTION (14 of 27 remaining) [2024-02-07 14:25:32,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 27 remaining) [2024-02-07 14:25:32,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 27 remaining) [2024-02-07 14:25:32,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 27 remaining) [2024-02-07 14:25:32,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 27 remaining) [2024-02-07 14:25:32,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 27 remaining) [2024-02-07 14:25:32,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 27 remaining) [2024-02-07 14:25:32,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 27 remaining) [2024-02-07 14:25:32,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 27 remaining) [2024-02-07 14:25:32,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 27 remaining) [2024-02-07 14:25:32,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 27 remaining) [2024-02-07 14:25:32,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 27 remaining) [2024-02-07 14:25:32,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONERROR_FUNCTION (2 of 27 remaining) [2024-02-07 14:25:32,423 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 27 remaining) [2024-02-07 14:25:32,423 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 27 remaining) [2024-02-07 14:25:32,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:25:32,424 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 14:25:32,431 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:25:32,431 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:25:32,446 INFO L503 ceAbstractionStarter]: Automizer considered 12 witness invariants [2024-02-07 14:25:32,446 INFO L504 ceAbstractionStarter]: WitnessConsidered=12 [2024-02-07 14:25:32,446 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:25:32 BasicIcfg [2024-02-07 14:25:32,447 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:25:32,447 INFO L158 Benchmark]: Toolchain (without parser) took 1537.32ms. Allocated memory is still 163.6MB. Free memory was 97.7MB in the beginning and 102.2MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:25:32,448 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 102.8MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:25:32,448 INFO L158 Benchmark]: Witness Parser took 0.38ms. Allocated memory is still 163.6MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:25:32,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.79ms. Allocated memory is still 163.6MB. Free memory was 97.3MB in the beginning and 109.6MB in the end (delta: -12.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-02-07 14:25:32,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.43ms. Allocated memory is still 163.6MB. Free memory was 109.6MB in the beginning and 106.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:25:32,449 INFO L158 Benchmark]: Boogie Preprocessor took 66.38ms. Allocated memory is still 163.6MB. Free memory was 106.8MB in the beginning and 104.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:25:32,449 INFO L158 Benchmark]: RCFGBuilder took 483.61ms. Allocated memory is still 163.6MB. Free memory was 104.7MB in the beginning and 131.4MB in the end (delta: -26.7MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2024-02-07 14:25:32,449 INFO L158 Benchmark]: TraceAbstraction took 326.81ms. Allocated memory is still 163.6MB. Free memory was 130.5MB in the beginning and 102.2MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-02-07 14:25:32,451 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 102.8MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.38ms. Allocated memory is still 163.6MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.79ms. Allocated memory is still 163.6MB. Free memory was 97.3MB in the beginning and 109.6MB in the end (delta: -12.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.43ms. Allocated memory is still 163.6MB. Free memory was 109.6MB in the beginning and 106.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.38ms. Allocated memory is still 163.6MB. Free memory was 106.8MB in the beginning and 104.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 483.61ms. Allocated memory is still 163.6MB. Free memory was 104.7MB in the beginning and 131.4MB in the end (delta: -26.7MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * TraceAbstraction took 326.81ms. Allocated memory is still 163.6MB. Free memory was 130.5MB in the beginning and 102.2MB in the end (delta: 28.3MB). 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; [L1039] 0 pthread_t t; [L1040] 0 next = 0 [L1041] 0 lock = 0 [L1042] 0 len = __VERIFIER_nondet_int() [L1043] CALL 0 assume_abort_if_not(len > 0 && len < 4294967296 / sizeof(int)) [L994] COND FALSE 0 !(!cond) [L1043] RET 0 assume_abort_if_not(len > 0 && len < 4294967296 / sizeof(int)) [L1044] 0 data = malloc(sizeof(int) * len) [L1045] COND TRUE 0 1 [L1046] FCALL, FORK 0 pthread_create(&t, 0, thr, 0) VAL [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: 1046]: 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: 1036]: 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: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 76 locations, 27 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: 0.2s, 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=90occurred 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! [2024-02-07 14:25:32,478 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