./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c --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/parallel-misc-2.wvr.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/weaver/parallel-misc-2.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/parallel-misc-2.wvr.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 14:35:45,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:35:46,073 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:35:46,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:35:46,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:35:46,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:35:46,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:35:46,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:35:46,108 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:35:46,112 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:35:46,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:35:46,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:35:46,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:35:46,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:35:46,115 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:35:46,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:35:46,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:35:46,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:35:46,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:35:46,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:35:46,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:35:46,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:35:46,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:35:46,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:35:46,118 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:35:46,118 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:35:46,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:35:46,119 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:35:46,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:35:46,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:35:46,121 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:35:46,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:35:46,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:35:46,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:35:46,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:35:46,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:35:46,122 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:35:46,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:35:46,122 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:35:46,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:35:46,123 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:35:46,123 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:35:46,123 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:35:46,124 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:35:46,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:35:46,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:35:46,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:35:46,421 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:35:46,422 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:35:46,423 INFO L431 ainManager$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/parallel-misc-2.wvr.yml/witness.yml [2024-02-07 14:35:46,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:35:46,507 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:35:46,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2024-02-07 14:35:47,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:35:47,868 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:35:47,868 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2024-02-07 14:35:47,876 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f790b3bd/d633ac08dfd24c2a9766d38c0e77fbf8/FLAGc16f6d94c [2024-02-07 14:35:47,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f790b3bd/d633ac08dfd24c2a9766d38c0e77fbf8 [2024-02-07 14:35:47,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:35:47,892 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:35:47,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:35:47,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:35:47,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:35:47,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:35:46" (1/2) ... [2024-02-07 14:35:47,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f154a0a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:47, skipping insertion in model container [2024-02-07 14:35:47,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:35:46" (1/2) ... [2024-02-07 14:35:47,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4480c019 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:47, skipping insertion in model container [2024-02-07 14:35:47,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:35:47" (2/2) ... [2024-02-07 14:35:47,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f154a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:47, skipping insertion in model container [2024-02-07 14:35:47,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:35:47" (2/2) ... [2024-02-07 14:35:47,904 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:35:47,926 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:35:47,927 INFO L76 edCorrectnessWitness]: Location invariant before [L53-L53] d1 == (_Bool)0 || d1 == (_Bool)1 [2024-02-07 14:35:47,927 INFO L76 edCorrectnessWitness]: Location invariant before [L73-L73] d2 == (_Bool)0 || d2 == (_Bool)1 [2024-02-07 14:35:47,927 INFO L76 edCorrectnessWitness]: Location invariant before [L43-L43] d1 == (_Bool)0 || d1 == (_Bool)1 [2024-02-07 14:35:47,927 INFO L76 edCorrectnessWitness]: Location invariant before [L72-L72] d2 == (_Bool)0 || d2 == (_Bool)1 [2024-02-07 14:35:47,927 INFO L76 edCorrectnessWitness]: Location invariant before [L62-L62] d2 == (_Bool)0 || d2 == (_Bool)1 [2024-02-07 14:35:47,927 INFO L76 edCorrectnessWitness]: Location invariant before [L54-L54] d1 == (_Bool)0 || d1 == (_Bool)1 [2024-02-07 14:35:47,928 INFO L76 edCorrectnessWitness]: Location invariant before [L88-L88] d1 == (_Bool)0 || d1 == (_Bool)1 [2024-02-07 14:35:47,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:35:48,147 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c[2580,2593] [2024-02-07 14:35:48,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:35:48,161 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:35:48,224 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c[2580,2593] [2024-02-07 14:35:48,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:35:48,245 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:35:48,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:48 WrapperNode [2024-02-07 14:35:48,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:35:48,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:35:48,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:35:48,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:35:48,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:48" (1/1) ... [2024-02-07 14:35:48,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:48" (1/1) ... [2024-02-07 14:35:48,301 INFO L138 Inliner]: procedures = 21, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-02-07 14:35:48,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:35:48,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:35:48,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:35:48,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:35:48,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:48" (1/1) ... [2024-02-07 14:35:48,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:48" (1/1) ... [2024-02-07 14:35:48,324 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:48" (1/1) ... [2024-02-07 14:35:48,349 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 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 14:35:48,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:48" (1/1) ... [2024-02-07 14:35:48,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:48" (1/1) ... [2024-02-07 14:35:48,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:48" (1/1) ... [2024-02-07 14:35:48,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:48" (1/1) ... [2024-02-07 14:35:48,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:48" (1/1) ... [2024-02-07 14:35:48,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:48" (1/1) ... [2024-02-07 14:35:48,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:35:48,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:35:48,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:35:48,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:35:48,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:48" (1/1) ... [2024-02-07 14:35:48,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:35:48,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:35:48,408 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 14:35:48,427 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 14:35:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:35:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 14:35:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 14:35:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 14:35:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 14:35:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:35:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:35:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:35:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:35:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:35:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:35:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:35:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:35:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:35:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:35:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:35:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:35:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:35:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:35:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:35:48,452 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 14:35:48,540 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:35:48,541 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:35:48,771 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:35:48,772 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:35:48,993 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:35:48,994 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-02-07 14:35:48,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:35:48 BoogieIcfgContainer [2024-02-07 14:35:48,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:35:48,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:35:48,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:35:49,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:35:49,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:35:46" (1/4) ... [2024-02-07 14:35:49,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fedca5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:35:49, skipping insertion in model container [2024-02-07 14:35:49,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:35:47" (2/4) ... [2024-02-07 14:35:49,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fedca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:35:49, skipping insertion in model container [2024-02-07 14:35:49,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:48" (3/4) ... [2024-02-07 14:35:49,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fedca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:35:49, skipping insertion in model container [2024-02-07 14:35:49,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:35:48" (4/4) ... [2024-02-07 14:35:49,003 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2024-02-07 14:35:49,018 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:35:49,019 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-02-07 14:35:49,019 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:35:49,056 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-07 14:35:49,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 41 transitions, 96 flow [2024-02-07 14:35:49,125 INFO L124 PetriNetUnfolderBase]: 4/39 cut-off events. [2024-02-07 14:35:49,127 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-07 14:35:49,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 39 events. 4/39 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 81 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 31. Up to 2 conditions per place. [2024-02-07 14:35:49,131 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 41 transitions, 96 flow [2024-02-07 14:35:49,136 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 38 transitions, 88 flow [2024-02-07 14:35:49,151 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:35:49,157 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;@52bc20a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:35:49,157 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-02-07 14:35:49,159 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:35:49,159 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:35:49,159 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:35:49,159 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:35:49,160 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:35:49,160 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 13 more)] === [2024-02-07 14:35:49,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:35:49,165 INFO L85 PathProgramCache]: Analyzing trace with hash 9883, now seen corresponding path program 1 times [2024-02-07 14:35:49,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:35:49,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665882395] [2024-02-07 14:35:49,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:35:49,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:35:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:35:49,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:35:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:35:49,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:35:49,314 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:35:49,315 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 16 remaining) [2024-02-07 14:35:49,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 16 remaining) [2024-02-07 14:35:49,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 16 remaining) [2024-02-07 14:35:49,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 16 remaining) [2024-02-07 14:35:49,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 16 remaining) [2024-02-07 14:35:49,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 16 remaining) [2024-02-07 14:35:49,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 16 remaining) [2024-02-07 14:35:49,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (8 of 16 remaining) [2024-02-07 14:35:49,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 16 remaining) [2024-02-07 14:35:49,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 16 remaining) [2024-02-07 14:35:49,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 16 remaining) [2024-02-07 14:35:49,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 16 remaining) [2024-02-07 14:35:49,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 16 remaining) [2024-02-07 14:35:49,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 16 remaining) [2024-02-07 14:35:49,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 16 remaining) [2024-02-07 14:35:49,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 16 remaining) [2024-02-07 14:35:49,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:35:49,324 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 14:35:49,332 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:35:49,332 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:35:49,348 INFO L503 ceAbstractionStarter]: Automizer considered 7 witness invariants [2024-02-07 14:35:49,348 INFO L504 ceAbstractionStarter]: WitnessConsidered=7 [2024-02-07 14:35:49,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:35:49 BasicIcfg [2024-02-07 14:35:49,350 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:35:49,351 INFO L158 Benchmark]: Toolchain (without parser) took 1459.04ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 85.6MB in the beginning and 131.2MB in the end (delta: -45.6MB). Peak memory consumption was 501.3kB. Max. memory is 16.1GB. [2024-02-07 14:35:49,355 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 105.4MB in the end (delta: 19.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:35:49,355 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:35:49,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.00ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 71.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-02-07 14:35:49,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.02ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 69.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:35:49,358 INFO L158 Benchmark]: Boogie Preprocessor took 72.74ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 67.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:35:49,358 INFO L158 Benchmark]: RCFGBuilder took 618.04ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 67.3MB in the beginning and 154.3MB in the end (delta: -87.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-02-07 14:35:49,361 INFO L158 Benchmark]: TraceAbstraction took 353.62ms. Allocated memory is still 188.7MB. Free memory was 153.1MB in the beginning and 131.2MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-02-07 14:35:49,364 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 0.19ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 105.4MB in the end (delta: 19.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.00ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 71.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.02ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 69.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.74ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 67.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.04ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 67.3MB in the beginning and 154.3MB in the end (delta: -87.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 353.62ms. Allocated memory is still 188.7MB. Free memory was 153.1MB in the beginning and 131.2MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 88]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] unsigned int pos, i1, i2, N; [L39] _Bool d1, d2; [L80] pthread_t t1, t2; [L83] pos = __VERIFIER_nondet_uint() [L84] i1 = __VERIFIER_nondet_uint() [L85] i2 = __VERIFIER_nondet_uint() [L86] N = __VERIFIER_nondet_uint() [L87] d1 = __VERIFIER_nondet_bool() [L88] CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [d1=2, d2=0, t1={3:0}, t2={5:0}] - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 73]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: 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: 94]: 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: 93]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 64 locations, 16 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: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred 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, 2 NumberOfCodeBlocks, 2 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 14:35:49,393 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