./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-ticket-4.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-ticket-4.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-ticket-4.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/parallel-ticket-4.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 14:37:12,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:37:12,606 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:37:12,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:37:12,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:37:12,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:37:12,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:37:12,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:37:12,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:37:12,637 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:37:12,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:37:12,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:37:12,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:37:12,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:37:12,640 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:37:12,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:37:12,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:37:12,640 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:37:12,641 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:37:12,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:37:12,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:37:12,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:37:12,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:37:12,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:37:12,642 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:37:12,643 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:37:12,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:37:12,643 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:37:12,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:37:12,644 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:37:12,645 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:37:12,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:37:12,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:37:12,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:37:12,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:37:12,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:37:12,646 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:37:12,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:37:12,646 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:37:12,647 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:37:12,647 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:37:12,647 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:37:12,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:37:12,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:37:12,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:37:12,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:37:12,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:37:12,939 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:37:12,939 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:37:12,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2024-02-07 14:37:14,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:37:14,283 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:37:14,284 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2024-02-07 14:37:14,291 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae53abaf4/07e983b2938b4f26a40e90dfc5590694/FLAG255ed35fd [2024-02-07 14:37:14,302 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae53abaf4/07e983b2938b4f26a40e90dfc5590694 [2024-02-07 14:37:14,305 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:37:14,305 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:37:14,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/parallel-ticket-4.wvr.yml/witness.yml [2024-02-07 14:37:14,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:37:14,404 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:37:14,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:37:14,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:37:14,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:37:14,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:37:14" (1/2) ... [2024-02-07 14:37:14,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2ba9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:37:14, skipping insertion in model container [2024-02-07 14:37:14,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:37:14" (1/2) ... [2024-02-07 14:37:14,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b35d879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:37:14, skipping insertion in model container [2024-02-07 14:37:14,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:37:14" (2/2) ... [2024-02-07 14:37:14,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2ba9e0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:37:14, skipping insertion in model container [2024-02-07 14:37:14,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:37:14" (2/2) ... [2024-02-07 14:37:14,414 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:37:14,433 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:37:14,434 INFO L76 edCorrectnessWitness]: Location invariant before [L96-L96] -2147483647 <= s [2024-02-07 14:37:14,434 INFO L76 edCorrectnessWitness]: Location invariant before [L45-L45] -2147483647 <= t [2024-02-07 14:37:14,434 INFO L76 edCorrectnessWitness]: Location invariant before [L55-L55] x == 0 [2024-02-07 14:37:14,435 INFO L76 edCorrectnessWitness]: Location invariant before [L93-L93] b == (_Bool)0 || b == (_Bool)1 [2024-02-07 14:37:14,435 INFO L76 edCorrectnessWitness]: Location invariant before [L111-L111] b == (_Bool)0 [2024-02-07 14:37:14,435 INFO L76 edCorrectnessWitness]: Location invariant before [L112-L112] b == (_Bool)0 || b == (_Bool)1 [2024-02-07 14:37:14,435 INFO L76 edCorrectnessWitness]: Location invariant before [L92-L92] b == (_Bool)0 [2024-02-07 14:37:14,435 INFO L76 edCorrectnessWitness]: Location invariant before [L105-L105] -2147483647 <= t [2024-02-07 14:37:14,435 INFO L76 edCorrectnessWitness]: Location invariant before [L58-L58] -2147483647 <= s [2024-02-07 14:37:14,436 INFO L76 edCorrectnessWitness]: Location invariant before [L73-L73] b == (_Bool)0 [2024-02-07 14:37:14,436 INFO L76 edCorrectnessWitness]: Location invariant before [L115-L115] -2147483647 <= s [2024-02-07 14:37:14,436 INFO L76 edCorrectnessWitness]: Location invariant before [L74-L74] b == (_Bool)0 || b == (_Bool)1 [2024-02-07 14:37:14,436 INFO L76 edCorrectnessWitness]: Location invariant before [L86-L86] -2147483647 <= t [2024-02-07 14:37:14,436 INFO L76 edCorrectnessWitness]: Location invariant before [L77-L77] -2147483647 <= s [2024-02-07 14:37:14,437 INFO L76 edCorrectnessWitness]: Location invariant before [L67-L67] -2147483647 <= t [2024-02-07 14:37:14,437 INFO L76 edCorrectnessWitness]: Location invariant before [L134-L134] b == (_Bool)0 || b == (_Bool)1 [2024-02-07 14:37:14,437 INFO L76 edCorrectnessWitness]: Location invariant before [L52-L52] x == 1 [2024-02-07 14:37:14,437 INFO L76 edCorrectnessWitness]: Location invariant before [L145-L145] b == (_Bool)0 || b == (_Bool)1 [2024-02-07 14:37:14,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:37:14,682 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-ticket-4.wvr.c[3578,3591] [2024-02-07 14:37:14,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:37:14,696 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 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 14:37:14,786 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-ticket-4.wvr.c[3578,3591] [2024-02-07 14:37:14,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:37:14,801 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:37:14,802 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:37:14 WrapperNode [2024-02-07 14:37:14,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:37:14,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:37:14,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:37:14,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:37:14,809 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 02:37:14" (1/1) ... [2024-02-07 14:37:14,818 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 02:37:14" (1/1) ... [2024-02-07 14:37:14,841 INFO L138 Inliner]: procedures = 23, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 227 [2024-02-07 14:37:14,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:37:14,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:37:14,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:37:14,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:37:14,851 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 02:37:14" (1/1) ... [2024-02-07 14:37:14,851 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 02:37:14" (1/1) ... [2024-02-07 14:37:14,854 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 02:37:14" (1/1) ... [2024-02-07 14:37:14,868 INFO L175 MemorySlicer]: Split 10 memory accesses to 5 slices as follows [2, 2, 2, 2, 2]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 14:37:14,869 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 02:37:14" (1/1) ... [2024-02-07 14:37:14,869 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 02:37:14" (1/1) ... [2024-02-07 14:37:14,877 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 02:37:14" (1/1) ... [2024-02-07 14:37:14,879 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 02:37:14" (1/1) ... [2024-02-07 14:37:14,881 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 02:37:14" (1/1) ... [2024-02-07 14:37:14,882 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 02:37:14" (1/1) ... [2024-02-07 14:37:14,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:37:14,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:37:14,886 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:37:14,886 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:37:14,887 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 02:37:14" (1/1) ... [2024-02-07 14:37:14,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:37:14,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:37:14,917 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 14:37:14,924 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 14:37:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:37:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 14:37:14,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 14:37:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 14:37:14,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 14:37:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-07 14:37:14,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-07 14:37:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-02-07 14:37:14,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-02-07 14:37:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:37:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:37:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:37:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:37:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:37:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:37:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:37:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:37:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:37:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:37:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:37:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:37:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:37:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:37:14,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:37:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:37:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:37:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:37:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:37:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 14:37:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:37:14,951 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 14:37:15,057 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:37:15,060 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:37:15,357 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:37:15,357 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:37:15,616 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:37:15,617 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:37:15,617 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:37:15 BoogieIcfgContainer [2024-02-07 14:37:15,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:37:15,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:37:15,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:37:15,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:37:15,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:37:14" (1/4) ... [2024-02-07 14:37:15,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ca8188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:37:15, skipping insertion in model container [2024-02-07 14:37:15,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:37:14" (2/4) ... [2024-02-07 14:37:15,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ca8188 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:37:15, skipping insertion in model container [2024-02-07 14:37:15,624 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 02:37:14" (3/4) ... [2024-02-07 14:37:15,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ca8188 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:37:15, skipping insertion in model container [2024-02-07 14:37:15,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:37:15" (4/4) ... [2024-02-07 14:37:15,626 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2024-02-07 14:37:15,643 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:37:15,644 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-02-07 14:37:15,644 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:37:15,725 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-02-07 14:37:15,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 68 transitions, 164 flow [2024-02-07 14:37:15,814 INFO L124 PetriNetUnfolderBase]: 0/64 cut-off events. [2024-02-07 14:37:15,814 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-02-07 14:37:15,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 64 events. 0/64 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 168 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-02-07 14:37:15,816 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 68 transitions, 164 flow [2024-02-07 14:37:15,820 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 63 transitions, 150 flow [2024-02-07 14:37:15,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:37:15,832 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;@70c86c1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:37:15,836 INFO L358 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2024-02-07 14:37:15,838 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:37:15,838 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:37:15,838 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:37:15,839 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:37:15,839 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:37:15,840 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 36 more)] === [2024-02-07 14:37:15,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:37:15,843 INFO L85 PathProgramCache]: Analyzing trace with hash 16275, now seen corresponding path program 1 times [2024-02-07 14:37:15,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:37:15,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430949264] [2024-02-07 14:37:15,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:37:15,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:37:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:37:15,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:37:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:37:15,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:37:15,979 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:37:15,980 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 39 remaining) [2024-02-07 14:37:15,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 39 remaining) [2024-02-07 14:37:15,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 39 remaining) [2024-02-07 14:37:15,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 39 remaining) [2024-02-07 14:37:15,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 39 remaining) [2024-02-07 14:37:15,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 39 remaining) [2024-02-07 14:37:15,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 39 remaining) [2024-02-07 14:37:15,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 39 remaining) [2024-02-07 14:37:15,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 39 remaining) [2024-02-07 14:37:15,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 39 remaining) [2024-02-07 14:37:15,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 39 remaining) [2024-02-07 14:37:15,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 39 remaining) [2024-02-07 14:37:15,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 39 remaining) [2024-02-07 14:37:15,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 39 remaining) [2024-02-07 14:37:15,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (24 of 39 remaining) [2024-02-07 14:37:15,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 39 remaining) [2024-02-07 14:37:15,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 39 remaining) [2024-02-07 14:37:15,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 39 remaining) [2024-02-07 14:37:15,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 39 remaining) [2024-02-07 14:37:15,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 39 remaining) [2024-02-07 14:37:15,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 39 remaining) [2024-02-07 14:37:15,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err2ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 39 remaining) [2024-02-07 14:37:15,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err3ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 39 remaining) [2024-02-07 14:37:15,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 39 remaining) [2024-02-07 14:37:15,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 39 remaining) [2024-02-07 14:37:15,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 39 remaining) [2024-02-07 14:37:15,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 39 remaining) [2024-02-07 14:37:15,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 39 remaining) [2024-02-07 14:37:15,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 39 remaining) [2024-02-07 14:37:15,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 39 remaining) [2024-02-07 14:37:15,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 39 remaining) [2024-02-07 14:37:15,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 39 remaining) [2024-02-07 14:37:15,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 39 remaining) [2024-02-07 14:37:15,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 39 remaining) [2024-02-07 14:37:15,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 39 remaining) [2024-02-07 14:37:15,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 39 remaining) [2024-02-07 14:37:15,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 39 remaining) [2024-02-07 14:37:15,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 39 remaining) [2024-02-07 14:37:15,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 39 remaining) [2024-02-07 14:37:15,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:37:15,992 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 14:37:15,998 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:37:15,998 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:37:16,013 INFO L503 ceAbstractionStarter]: Automizer considered 18 witness invariants [2024-02-07 14:37:16,014 INFO L504 ceAbstractionStarter]: WitnessConsidered=18 [2024-02-07 14:37:16,014 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:37:16 BasicIcfg [2024-02-07 14:37:16,015 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:37:16,015 INFO L158 Benchmark]: Toolchain (without parser) took 1611.90ms. Allocated memory is still 144.7MB. Free memory was 73.0MB in the beginning and 85.6MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:37:16,016 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:37:16,016 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:37:16,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.41ms. Allocated memory is still 144.7MB. Free memory was 72.7MB in the beginning and 106.1MB in the end (delta: -33.4MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-02-07 14:37:16,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.46ms. Allocated memory is still 144.7MB. Free memory was 106.1MB in the beginning and 103.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:37:16,017 INFO L158 Benchmark]: Boogie Preprocessor took 43.70ms. Allocated memory is still 144.7MB. Free memory was 103.5MB in the beginning and 100.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:37:16,018 INFO L158 Benchmark]: RCFGBuilder took 731.29ms. Allocated memory is still 144.7MB. Free memory was 100.9MB in the beginning and 44.8MB in the end (delta: 56.1MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-02-07 14:37:16,018 INFO L158 Benchmark]: TraceAbstraction took 395.29ms. Allocated memory is still 144.7MB. Free memory was 44.3MB in the beginning and 85.6MB in the end (delta: -41.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:37:16,020 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.41ms. Allocated memory is still 144.7MB. Free memory was 72.7MB in the beginning and 106.1MB in the end (delta: -33.4MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.46ms. Allocated memory is still 144.7MB. Free memory was 106.1MB in the beginning and 103.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.70ms. Allocated memory is still 144.7MB. Free memory was 103.5MB in the beginning and 100.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 731.29ms. Allocated memory is still 144.7MB. Free memory was 100.9MB in the beginning and 44.8MB in the end (delta: 56.1MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 395.29ms. Allocated memory is still 144.7MB. Free memory was 44.3MB in the beginning and 85.6MB in the end (delta: -41.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 134]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int m1, m2, m3, m4, s, t, x; [L39] _Bool b; [L121] pthread_t t1, t2, t3, t4; [L124] m1 = __VERIFIER_nondet_int() [L125] m2 = __VERIFIER_nondet_int() [L126] m3 = __VERIFIER_nondet_int() [L127] m4 = __VERIFIER_nondet_int() [L128] s = __VERIFIER_nondet_int() [L129] t = __VERIFIER_nondet_int() [L130] x = __VERIFIER_nondet_int() [L131] b = __VERIFIER_nondet_bool() [L134] CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [b=2, m1=0, m2=0, m3=0, m4=0, s=0, t1={7:0}, t2={6:0}, t3={5:0}, t4={3:0}, t=0, x=0] - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: 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: 74]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 96]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 146]: 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: 139]: 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: 138]: 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: 137]: 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: 136]: 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: 105]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 111]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 112]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 115]: 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 9 procedures, 118 locations, 39 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=150occurred 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 14:37:16,049 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