./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-ticket-7.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 80b1b132 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-7.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-ticket-7.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-?-80b1b13-m [2024-01-31 17:01:39,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 17:01:39,893 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 17:01:39,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 17:01:39,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 17:01:39,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 17:01:39,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 17:01:39,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 17:01:39,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 17:01:39,923 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 17:01:39,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 17:01:39,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 17:01:39,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 17:01:39,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 17:01:39,925 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 17:01:39,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 17:01:39,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 17:01:39,926 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 17:01:39,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 17:01:39,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 17:01:39,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 17:01:39,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 17:01:39,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 17:01:39,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 17:01:39,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 17:01:39,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 17:01:39,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 17:01:39,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 17:01:39,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 17:01:39,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 17:01:39,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 17:01:39,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 17:01:39,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 17:01:39,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 17:01:39,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 17:01:39,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 17:01:39,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 17:01:39,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 17:01:39,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 17:01:39,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 17:01:39,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 17:01:39,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 17:01:39,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 17:01:39,932 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 17:01:40,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 17:01:40,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 17:01:40,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 17:01:40,173 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 17:01:40,173 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 17:01:40,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2024-01-31 17:01:41,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 17:01:41,577 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 17:01:41,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2024-01-31 17:01:41,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47f688ad5/8560c15fa2d645ed99a8088e26e64b8b/FLAG421aa7adb [2024-01-31 17:01:41,595 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47f688ad5/8560c15fa2d645ed99a8088e26e64b8b [2024-01-31 17:01:41,597 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 17:01:41,598 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 17:01:41,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-ticket-7.wvr.yml/witness.yml [2024-01-31 17:01:41,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 17:01:41,778 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 17:01:41,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 17:01:41,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 17:01:41,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 17:01:41,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:01:41" (1/2) ... [2024-01-31 17:01:41,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb2abe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:01:41, skipping insertion in model container [2024-01-31 17:01:41,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:01:41" (1/2) ... [2024-01-31 17:01:41,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c5a1cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:01:41, skipping insertion in model container [2024-01-31 17:01:41,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:01:41" (2/2) ... [2024-01-31 17:01:41,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb2abe8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:01:41, skipping insertion in model container [2024-01-31 17:01:41,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:01:41" (2/2) ... [2024-01-31 17:01:41,789 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 17:01:41,875 INFO L93 nessWitnessExtractor]: Witness did not contain any usable entries. [2024-01-31 17:01:41,900 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 17:01:42,079 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-7.wvr.c[4928,4941] [2024-01-31 17:01:42,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 17:01:42,101 INFO L204 MainTranslator]: Completed pre-run [2024-01-31 17:01:42,134 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-7.wvr.c[4928,4941] [2024-01-31 17:01:42,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 17:01:42,152 INFO L208 MainTranslator]: Completed translation [2024-01-31 17:01:42,153 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:01:42 WrapperNode [2024-01-31 17:01:42,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 17:01:42,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 17:01:42,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 17:01:42,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 17:01:42,161 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 31.01 05:01:42" (1/1) ... [2024-01-31 17:01:42,169 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 31.01 05:01:42" (1/1) ... [2024-01-31 17:01:42,206 INFO L138 Inliner]: procedures = 26, calls = 115, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 335 [2024-01-31 17:01:42,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 17:01:42,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 17:01:42,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 17:01:42,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 17:01:42,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:01:42" (1/1) ... [2024-01-31 17:01:42,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:01:42" (1/1) ... [2024-01-31 17:01:42,227 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:01:42" (1/1) ... [2024-01-31 17:01:42,239 INFO L175 MemorySlicer]: Split 16 memory accesses to 8 slices as follows [2, 2, 2, 2, 2, 2, 2, 2]. 13 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1]. [2024-01-31 17:01:42,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:01:42" (1/1) ... [2024-01-31 17:01:42,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:01:42" (1/1) ... [2024-01-31 17:01:42,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:01:42" (1/1) ... [2024-01-31 17:01:42,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:01:42" (1/1) ... [2024-01-31 17:01:42,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:01:42" (1/1) ... [2024-01-31 17:01:42,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:01:42" (1/1) ... [2024-01-31 17:01:42,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 17:01:42,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 17:01:42,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 17:01:42,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 17:01:42,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:01:42" (1/1) ... [2024-01-31 17:01:42,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 17:01:42,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 17:01:42,294 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) [2024-01-31 17:01:42,310 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 [2024-01-31 17:01:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 17:01:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 17:01:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 17:01:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 17:01:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 17:01:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 17:01:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-31 17:01:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-31 17:01:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-01-31 17:01:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-01-31 17:01:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 17:01:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 17:01:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 17:01:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 17:01:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-31 17:01:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-31 17:01:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-01-31 17:01:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-01-31 17:01:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-31 17:01:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-31 17:01:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-31 17:01:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-31 17:01:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-31 17:01:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-31 17:01:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-31 17:01:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-31 17:01:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 17:01:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 17:01:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 17:01:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 17:01:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-31 17:01:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-31 17:01:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-01-31 17:01:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-01-31 17:01:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-01-31 17:01:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-01-31 17:01:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-01-31 17:01:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-01-31 17:01:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2024-01-31 17:01:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2024-01-31 17:01:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 17:01:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 17:01:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 17:01:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 17:01:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 17:01:42,331 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 17:01:42,443 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 17:01:42,445 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 17:01:42,773 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 17:01:42,773 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 17:01:43,046 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 17:01:43,046 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-31 17:01:43,047 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 05:01:43 BoogieIcfgContainer [2024-01-31 17:01:43,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 17:01:43,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 17:01:43,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 17:01:43,053 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 17:01:43,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 05:01:41" (1/4) ... [2024-01-31 17:01:43,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d30d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 05:01:43, skipping insertion in model container [2024-01-31 17:01:43,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:01:41" (2/4) ... [2024-01-31 17:01:43,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d30d8b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 05:01:43, skipping insertion in model container [2024-01-31 17:01:43,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:01:42" (3/4) ... [2024-01-31 17:01:43,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d30d8b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 05:01:43, skipping insertion in model container [2024-01-31 17:01:43,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 05:01:43" (4/4) ... [2024-01-31 17:01:43,057 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-7.wvr.c [2024-01-31 17:01:43,072 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 17:01:43,072 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-31 17:01:43,072 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 17:01:43,139 INFO L144 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2024-01-31 17:01:43,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 81 transitions, 211 flow [2024-01-31 17:01:43,222 INFO L124 PetriNetUnfolderBase]: 0/74 cut-off events. [2024-01-31 17:01:43,222 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-01-31 17:01:43,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 74 events. 0/74 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 143 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-01-31 17:01:43,224 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 81 transitions, 211 flow [2024-01-31 17:01:43,227 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 73 transitions, 188 flow [2024-01-31 17:01:43,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 17:01:43,246 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;@5e300e50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 17:01:43,247 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-01-31 17:01:43,292 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 17:01:43,293 INFO L124 PetriNetUnfolderBase]: 0/72 cut-off events. [2024-01-31 17:01:43,293 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-01-31 17:01:43,294 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:01:43,295 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 17:01:43,295 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-01-31 17:01:43,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:01:43,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1122571326, now seen corresponding path program 1 times [2024-01-31 17:01:43,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:01:43,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966032014] [2024-01-31 17:01:43,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:01:43,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:01:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:01:44,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 17:01:44,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 17:01:44,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966032014] [2024-01-31 17:01:44,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966032014] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 17:01:44,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 17:01:44,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-31 17:01:44,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764520901] [2024-01-31 17:01:44,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 17:01:44,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-31 17:01:44,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 17:01:44,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-31 17:01:44,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-01-31 17:01:44,880 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 81 [2024-01-31 17:01:44,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 73 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:01:44,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 17:01:44,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 81 [2024-01-31 17:01:44,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand