./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 e7c74aec 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-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:05:09,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:05:09,938 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:05:09,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:05:09,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:05:09,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:05:09,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:05:09,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:05:09,963 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:05:09,967 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:05:09,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:05:09,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:05:09,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:05:09,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:05:09,969 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:05:09,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:05:09,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:05:09,970 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:05:09,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:05:09,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:05:09,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:05:09,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:05:09,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:05:09,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:05:09,972 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:05:09,973 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:05:09,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:05:09,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:05:09,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:05:09,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:05:09,975 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:05:09,975 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:05:09,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:05:09,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:05:09,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:05:09,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:05:09,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:05:09,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:05:09,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:05:09,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:05:09,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:05:09,977 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:05:09,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:05:09,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:05:10,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:05:10,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:05:10,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:05:10,260 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:05:10,261 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:05:10,261 INFO L431 ainManager$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 19:05:10,417 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:05:10,418 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:05:10,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12.i [2024-02-07 19:05:11,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:05:12,117 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:05:12,121 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i [2024-02-07 19:05:12,144 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/240ee886a/ee1dc6d8b9164b8087433d5b93eebdd9/FLAGfc1332ce5 [2024-02-07 19:05:12,161 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/240ee886a/ee1dc6d8b9164b8087433d5b93eebdd9 [2024-02-07 19:05:12,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:05:12,163 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:05:12,167 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:05:12,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:05:12,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:05:12,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:05:10" (1/2) ... [2024-02-07 19:05:12,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76ecd6ce and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:05:12, skipping insertion in model container [2024-02-07 19:05:12,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:05:10" (1/2) ... [2024-02-07 19:05:12,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11872015 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:05:12, skipping insertion in model container [2024-02-07 19:05:12,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:05:12" (2/2) ... [2024-02-07 19:05:12,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76ecd6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:12, skipping insertion in model container [2024-02-07 19:05:12,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:05:12" (2/2) ... [2024-02-07 19:05:12,176 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:05:12,267 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:05:12,269 INFO L76 edCorrectnessWitness]: Location invariant before [L1036-L1036] (long long )c - (long long )end >= 0LL [2024-02-07 19:05:12,269 INFO L76 edCorrectnessWitness]: Location invariant before [L1034-L1034] (c <= 2147483646) && ((-1LL - (long long )c) + (long long )end >= 0LL) [2024-02-07 19:05:12,270 INFO L76 edCorrectnessWitness]: Location invariant before [L1028-L1028] 0 == end [2024-02-07 19:05:12,270 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 19:05:12,270 INFO L76 edCorrectnessWitness]: Location invariant before [L1019-L1019] (int )lock == 0 [2024-02-07 19:05:12,271 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 19:05:12,271 INFO L76 edCorrectnessWitness]: Location invariant before [L1013-L1013] (int )lock == 1 [2024-02-07 19:05:12,271 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 19:05:12,271 INFO L76 edCorrectnessWitness]: Location invariant before [L1033-L1033] (c <= 2147483646) && ((-1LL - (long long )c) + (long long )end >= 0LL) [2024-02-07 19:05:12,271 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 19:05:12,271 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 19:05:12,272 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 19:05:12,317 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:05:12,774 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 19:05:12,796 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:05:12,809 INFO L206 MainTranslator]: Completed pre-run [2024-02-07 19:05:12,880 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 19:05:12,972 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:05:13,020 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:05:13,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:13 WrapperNode [2024-02-07 19:05:13,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:05:13,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:05:13,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:05:13,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:05:13,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:13" (1/1) ... [2024-02-07 19:05:13,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:13" (1/1) ... [2024-02-07 19:05:13,070 INFO L138 Inliner]: procedures = 275, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 94 [2024-02-07 19:05:13,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:05:13,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:05:13,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:05:13,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:05:13,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:13" (1/1) ... [2024-02-07 19:05:13,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:13" (1/1) ... [2024-02-07 19:05:13,096 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:13" (1/1) ... [2024-02-07 19:05:13,109 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 19:05:13,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:13" (1/1) ... [2024-02-07 19:05:13,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:13" (1/1) ... [2024-02-07 19:05:13,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:13" (1/1) ... [2024-02-07 19:05:13,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:13" (1/1) ... [2024-02-07 19:05:13,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:13" (1/1) ... [2024-02-07 19:05:13,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:13" (1/1) ... [2024-02-07 19:05:13,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:05:13,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:05:13,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:05:13,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:05:13,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:13" (1/1) ... [2024-02-07 19:05:13,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:05:13,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:05:13,162 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 19:05:13,164 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 19:05:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:05:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2024-02-07 19:05:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2024-02-07 19:05:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:05:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:05:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:05:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:05:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:05:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:05:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-02-07 19:05:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:05:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:05:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:05:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:05:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:05:13,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:05:13,210 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 19:05:13,329 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:05:13,332 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:05:13,632 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:05:13,632 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:05:13,868 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:05:13,868 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-02-07 19:05:13,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:05:13 BoogieIcfgContainer [2024-02-07 19:05:13,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:05:13,872 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:05:13,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:05:13,876 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:05:13,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:05:10" (1/4) ... [2024-02-07 19:05:13,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8203930 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:05:13, skipping insertion in model container [2024-02-07 19:05:13,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:05:12" (2/4) ... [2024-02-07 19:05:13,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8203930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:05:13, skipping insertion in model container [2024-02-07 19:05:13,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:13" (3/4) ... [2024-02-07 19:05:13,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8203930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:05:13, skipping insertion in model container [2024-02-07 19:05:13,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:05:13" (4/4) ... [2024-02-07 19:05:13,880 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12.i [2024-02-07 19:05:13,915 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:05:13,925 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2024-02-07 19:05:13,926 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:05:14,016 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:05:14,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 43 transitions, 90 flow [2024-02-07 19:05:14,139 INFO L124 PetriNetUnfolderBase]: 3/45 cut-off events. [2024-02-07 19:05:14,148 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:05:14,151 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 19:05:14,151 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 43 transitions, 90 flow [2024-02-07 19:05:14,156 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 43 places, 43 transitions, 90 flow [2024-02-07 19:05:14,174 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:05:14,188 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;@2187c66c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:05:14,189 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-02-07 19:05:14,223 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:05:14,224 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-02-07 19:05:14,224 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:05:14,224 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:05:14,225 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:05:14,225 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 19:05:14,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:05:14,232 INFO L85 PathProgramCache]: Analyzing trace with hash 288512693, now seen corresponding path program 1 times [2024-02-07 19:05:14,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:05:14,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298311088] [2024-02-07 19:05:14,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:05:14,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:05:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:05:14,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:05:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:05:14,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:05:14,652 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:05:14,654 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 27 remaining) [2024-02-07 19:05:14,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 27 remaining) [2024-02-07 19:05:14,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 27 remaining) [2024-02-07 19:05:14,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 27 remaining) [2024-02-07 19:05:14,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 27 remaining) [2024-02-07 19:05:14,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 27 remaining) [2024-02-07 19:05:14,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 27 remaining) [2024-02-07 19:05:14,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 27 remaining) [2024-02-07 19:05:14,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 27 remaining) [2024-02-07 19:05:14,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 27 remaining) [2024-02-07 19:05:14,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 27 remaining) [2024-02-07 19:05:14,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 27 remaining) [2024-02-07 19:05:14,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONERROR_FUNCTION (14 of 27 remaining) [2024-02-07 19:05:14,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 27 remaining) [2024-02-07 19:05:14,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 27 remaining) [2024-02-07 19:05:14,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 27 remaining) [2024-02-07 19:05:14,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 27 remaining) [2024-02-07 19:05:14,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 27 remaining) [2024-02-07 19:05:14,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 27 remaining) [2024-02-07 19:05:14,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 27 remaining) [2024-02-07 19:05:14,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 27 remaining) [2024-02-07 19:05:14,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 27 remaining) [2024-02-07 19:05:14,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 27 remaining) [2024-02-07 19:05:14,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 27 remaining) [2024-02-07 19:05:14,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONERROR_FUNCTION (2 of 27 remaining) [2024-02-07 19:05:14,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 27 remaining) [2024-02-07 19:05:14,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 27 remaining) [2024-02-07 19:05:14,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:05:14,704 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 19:05:14,710 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:05:14,711 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:05:14,756 INFO L503 ceAbstractionStarter]: Automizer considered 12 witness invariants [2024-02-07 19:05:14,756 INFO L504 ceAbstractionStarter]: WitnessConsidered=12 [2024-02-07 19:05:14,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:05:14 BasicIcfg [2024-02-07 19:05:14,759 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:05:14,761 INFO L158 Benchmark]: Toolchain (without parser) took 2596.83ms. Allocated memory was 203.4MB in the beginning and 308.3MB in the end (delta: 104.9MB). Free memory was 127.7MB in the beginning and 269.0MB in the end (delta: -141.3MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2024-02-07 19:05:14,761 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:05:14,762 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 203.4MB. Free memory was 169.7MB in the beginning and 169.7MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:05:14,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 855.19ms. Allocated memory is still 203.4MB. Free memory was 127.7MB in the beginning and 141.4MB in the end (delta: -13.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-02-07 19:05:14,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.42ms. Allocated memory is still 203.4MB. Free memory was 141.4MB in the beginning and 138.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:05:14,772 INFO L158 Benchmark]: Boogie Preprocessor took 54.79ms. Allocated memory is still 203.4MB. Free memory was 138.1MB in the beginning and 136.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:05:14,773 INFO L158 Benchmark]: RCFGBuilder took 739.98ms. Allocated memory is still 203.4MB. Free memory was 136.0MB in the beginning and 105.7MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-02-07 19:05:14,773 INFO L158 Benchmark]: TraceAbstraction took 886.80ms. Allocated memory was 203.4MB in the beginning and 308.3MB in the end (delta: 104.9MB). Free memory was 105.7MB in the beginning and 269.0MB in the end (delta: -163.3MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-02-07 19:05:14,775 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 203.4MB. Free memory was 169.7MB in the beginning and 169.7MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 855.19ms. Allocated memory is still 203.4MB. Free memory was 127.7MB in the beginning and 141.4MB in the end (delta: -13.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.42ms. Allocated memory is still 203.4MB. Free memory was 141.4MB in the beginning and 138.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.79ms. Allocated memory is still 203.4MB. Free memory was 138.1MB in the beginning and 136.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 739.98ms. Allocated memory is still 203.4MB. Free memory was 136.0MB in the beginning and 105.7MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 886.80ms. Allocated memory was 203.4MB in the beginning and 308.3MB in the end (delta: 104.9MB). Free memory was 105.7MB in the beginning and 269.0MB in the end (delta: -163.3MB). Peak memory consumption was 38.9MB. 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, 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, 0.1s 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 19:05:14,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE