./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/parallel-barrier.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de 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-barrier.wvr.c ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/parallel-barrier.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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-28 02:46:21,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-28 02:46:21,456 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-28 02:46:21,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-28 02:46:21,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-28 02:46:21,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-28 02:46:21,489 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-28 02:46:21,489 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-28 02:46:21,490 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-28 02:46:21,493 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-28 02:46:21,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-28 02:46:21,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-28 02:46:21,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-28 02:46:21,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-28 02:46:21,496 INFO L153 SettingsManager]: * Use SBE=true [2024-06-28 02:46:21,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-28 02:46:21,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-28 02:46:21,497 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-28 02:46:21,497 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-28 02:46:21,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-28 02:46:21,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-28 02:46:21,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-28 02:46:21,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-28 02:46:21,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-28 02:46:21,500 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-28 02:46:21,500 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-28 02:46:21,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-28 02:46:21,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-28 02:46:21,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-28 02:46:21,501 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-28 02:46:21,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-28 02:46:21,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-28 02:46:21,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 02:46:21,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-28 02:46:21,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-28 02:46:21,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-28 02:46:21,504 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-28 02:46:21,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-28 02:46:21,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-28 02:46:21,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-28 02:46:21,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-28 02:46:21,505 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-28 02:46:21,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-28 02:46:21,505 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-28 02:46:21,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-28 02:46:21,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-28 02:46:21,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-28 02:46:21,818 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-28 02:46:21,819 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-28 02:46:21,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/parallel-barrier.wvr.yml/witness.yml [2024-06-28 02:46:21,924 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-28 02:46:21,924 INFO L274 PluginConnector]: CDTParser initialized [2024-06-28 02:46:21,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2024-06-28 02:46:23,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-28 02:46:23,372 INFO L384 CDTParser]: Found 1 translation units. [2024-06-28 02:46:23,372 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2024-06-28 02:46:23,381 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fe590591/e27c12c00a96488ab68561750b64dc91/FLAGc1bbdd671 [2024-06-28 02:46:23,404 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fe590591/e27c12c00a96488ab68561750b64dc91 [2024-06-28 02:46:23,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-28 02:46:23,406 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-28 02:46:23,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-28 02:46:23,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-28 02:46:23,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-28 02:46:23,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:46:21" (1/2) ... [2024-06-28 02:46:23,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318d44db and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:46:23, skipping insertion in model container [2024-06-28 02:46:23,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:46:21" (1/2) ... [2024-06-28 02:46:23,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e2d271b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:46:23, skipping insertion in model container [2024-06-28 02:46:23,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 02:46:23" (2/2) ... [2024-06-28 02:46:23,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318d44db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23, skipping insertion in model container [2024-06-28 02:46:23,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 02:46:23" (2/2) ... [2024-06-28 02:46:23,415 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-28 02:46:23,444 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-28 02:46:23,445 INFO L97 edCorrectnessWitness]: Location invariant before [L102-L102] (! multithreaded || -2147483647 <= y_7) && (! multithreaded || -2147483647 <= y_7) [2024-06-28 02:46:23,445 INFO L97 edCorrectnessWitness]: Location invariant before [L193-L193] (! multithreaded || -2147483647 <= y_7) && (! multithreaded || -2147483647 <= y_7) [2024-06-28 02:46:23,445 INFO L97 edCorrectnessWitness]: Location invariant before [L166-L166] (! multithreaded || -2147483647 <= y_7) && (! multithreaded || -2147483647 <= y_7) [2024-06-28 02:46:23,445 INFO L97 edCorrectnessWitness]: Location invariant before [L194-L194] (! multithreaded || -2147483647 <= y_7) && (! multithreaded || -2147483647 <= y_7) [2024-06-28 02:46:23,446 INFO L97 edCorrectnessWitness]: Location invariant before [L103-L103] (! multithreaded || -2147483647 <= y_7) && (! multithreaded || -2147483647 <= y_7) [2024-06-28 02:46:23,446 INFO L97 edCorrectnessWitness]: Location invariant before [L165-L165] (! multithreaded || -2147483647 <= y_7) && (! multithreaded || -2147483647 <= y_7) [2024-06-28 02:46:23,446 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-28 02:46:23,446 INFO L106 edCorrectnessWitness]: ghost_update [L192-L192] multithreaded = 1; [2024-06-28 02:46:23,486 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-28 02:46:23,694 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 02:46:23,703 INFO L202 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 [2024-06-28 02:46:23,763 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 02:46:23,778 INFO L206 MainTranslator]: Completed translation [2024-06-28 02:46:23,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23 WrapperNode [2024-06-28 02:46:23,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-28 02:46:23,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-28 02:46:23,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-28 02:46:23,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-28 02:46:23,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23" (1/1) ... [2024-06-28 02:46:23,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23" (1/1) ... [2024-06-28 02:46:23,827 INFO L138 Inliner]: procedures = 24, calls = 69, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 249 [2024-06-28 02:46:23,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-28 02:46:23,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-28 02:46:23,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-28 02:46:23,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-28 02:46:23,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23" (1/1) ... [2024-06-28 02:46:23,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23" (1/1) ... [2024-06-28 02:46:23,844 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23" (1/1) ... [2024-06-28 02:46:23,868 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-06-28 02:46:23,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23" (1/1) ... [2024-06-28 02:46:23,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23" (1/1) ... [2024-06-28 02:46:23,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23" (1/1) ... [2024-06-28 02:46:23,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23" (1/1) ... [2024-06-28 02:46:23,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23" (1/1) ... [2024-06-28 02:46:23,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23" (1/1) ... [2024-06-28 02:46:23,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-28 02:46:23,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-28 02:46:23,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-28 02:46:23,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-28 02:46:23,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23" (1/1) ... [2024-06-28 02:46:23,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 02:46:23,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-28 02:46:23,944 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) [2024-06-28 02:46:23,962 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 [2024-06-28 02:46:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-28 02:46:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-28 02:46:23,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-28 02:46:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-28 02:46:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-28 02:46:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-28 02:46:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-28 02:46:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-06-28 02:46:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-06-28 02:46:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-28 02:46:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-06-28 02:46:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-06-28 02:46:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-06-28 02:46:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-06-28 02:46:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-28 02:46:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-28 02:46:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-28 02:46:23,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-28 02:46:23,987 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-28 02:46:24,118 INFO L244 CfgBuilder]: Building ICFG [2024-06-28 02:46:24,120 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-28 02:46:24,398 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-28 02:46:24,398 INFO L293 CfgBuilder]: Performing block encoding [2024-06-28 02:46:24,719 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-28 02:46:24,719 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-28 02:46:24,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 02:46:24 BoogieIcfgContainer [2024-06-28 02:46:24,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-28 02:46:24,722 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-28 02:46:24,722 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-28 02:46:24,725 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-28 02:46:24,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:46:21" (1/4) ... [2024-06-28 02:46:24,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c4af98b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 02:46:24, skipping insertion in model container [2024-06-28 02:46:24,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.06 02:46:23" (2/4) ... [2024-06-28 02:46:24,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c4af98b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 02:46:24, skipping insertion in model container [2024-06-28 02:46:24,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:46:23" (3/4) ... [2024-06-28 02:46:24,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c4af98b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 02:46:24, skipping insertion in model container [2024-06-28 02:46:24,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 02:46:24" (4/4) ... [2024-06-28 02:46:24,729 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2024-06-28 02:46:24,744 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-28 02:46:24,745 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-06-28 02:46:24,745 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-28 02:46:24,827 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-06-28 02:46:24,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 100 places, 85 transitions, 236 flow [2024-06-28 02:46:24,924 INFO L124 PetriNetUnfolderBase]: 4/73 cut-off events. [2024-06-28 02:46:24,925 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-28 02:46:24,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 73 events. 4/73 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 200 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 85. Up to 3 conditions per place. [2024-06-28 02:46:24,929 INFO L82 GeneralOperation]: Start removeDead. Operand has 100 places, 85 transitions, 236 flow [2024-06-28 02:46:24,934 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 71 transitions, 187 flow [2024-06-28 02:46:24,946 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-28 02:46:24,956 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;@11c41552, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-28 02:46:24,957 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-06-28 02:46:24,961 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-28 02:46:24,961 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-28 02:46:24,961 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 02:46:24,961 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:46:24,962 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-28 02:46:24,963 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-06-28 02:46:24,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:46:24,969 INFO L85 PathProgramCache]: Analyzing trace with hash 493998370, now seen corresponding path program 1 times [2024-06-28 02:46:24,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:46:24,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167252747] [2024-06-28 02:46:24,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:46:24,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:46:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:46:25,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:46:25,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:46:25,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167252747] [2024-06-28 02:46:25,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167252747] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:46:25,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:46:25,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-28 02:46:25,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536179056] [2024-06-28 02:46:25,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:46:25,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 02:46:25,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:46:25,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 02:46:25,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 02:46:25,328 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 89 [2024-06-28 02:46:25,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 71 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2024-06-28 02:46:25,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:46:25,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 89 [2024-06-28 02:46:25,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:46:29,739 INFO L124 PetriNetUnfolderBase]: 30782/41158 cut-off events. [2024-06-28 02:46:29,739 INFO L125 PetriNetUnfolderBase]: For 4559/4559 co-relation queries the response was YES. [2024-06-28 02:46:29,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86281 conditions, 41158 events. 30782/41158 cut-off events. For 4559/4559 co-relation queries the response was YES. Maximal size of possible extension queue 1674. Compared 264926 event pairs, 9743 based on Foata normal form. 789/38473 useless extension candidates. Maximal degree in co-relation 85754. Up to 36292 conditions per place. [2024-06-28 02:46:30,104 INFO L140 encePairwiseOnDemand]: 80/89 looper letters, 65 selfloop transitions, 3 changer transitions 0/94 dead transitions. [2024-06-28 02:46:30,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 94 transitions, 393 flow [2024-06-28 02:46:30,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 02:46:30,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 02:46:30,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 170 transitions. [2024-06-28 02:46:30,115 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6367041198501873 [2024-06-28 02:46:30,117 INFO L175 Difference]: Start difference. First operand has 86 places, 71 transitions, 187 flow. Second operand 3 states and 170 transitions. [2024-06-28 02:46:30,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 94 transitions, 393 flow [2024-06-28 02:46:30,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 94 transitions, 348 flow, removed 0 selfloop flow, removed 11 redundant places. [2024-06-28 02:46:30,159 INFO L231 Difference]: Finished difference. Result has 77 places, 72 transitions, 183 flow [2024-06-28 02:46:30,161 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=183, PETRI_PLACES=77, PETRI_TRANSITIONS=72} [2024-06-28 02:46:30,164 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -9 predicate places. [2024-06-28 02:46:30,164 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 72 transitions, 183 flow [2024-06-28 02:46:30,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2024-06-28 02:46:30,165 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:46:30,165 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-28 02:46:30,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-28 02:46:30,165 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-06-28 02:46:30,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:46:30,166 INFO L85 PathProgramCache]: Analyzing trace with hash 66516481, now seen corresponding path program 1 times [2024-06-28 02:46:30,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:46:30,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585131131] [2024-06-28 02:46:30,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:46:30,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:46:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:46:30,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:46:30,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:46:30,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585131131] [2024-06-28 02:46:30,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585131131] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:46:30,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:46:30,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-28 02:46:30,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403274413] [2024-06-28 02:46:30,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:46:30,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-28 02:46:30,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:46:30,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-28 02:46:30,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-06-28 02:46:30,330 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 89 [2024-06-28 02:46:30,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 72 transitions, 183 flow. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 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) [2024-06-28 02:46:30,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:46:30,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 89 [2024-06-28 02:46:30,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:46:35,496 INFO L124 PetriNetUnfolderBase]: 55871/76374 cut-off events. [2024-06-28 02:46:35,497 INFO L125 PetriNetUnfolderBase]: For 11459/11459 co-relation queries the response was YES. [2024-06-28 02:46:35,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163718 conditions, 76374 events. 55871/76374 cut-off events. For 11459/11459 co-relation queries the response was YES. Maximal size of possible extension queue 3299. Compared 540329 event pairs, 10578 based on Foata normal form. 5052/77424 useless extension candidates. Maximal degree in co-relation 56633. Up to 34459 conditions per place. [2024-06-28 02:46:35,971 INFO L140 encePairwiseOnDemand]: 80/89 looper letters, 159 selfloop transitions, 10 changer transitions 0/193 dead transitions. [2024-06-28 02:46:35,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 193 transitions, 822 flow [2024-06-28 02:46:35,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-28 02:46:35,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-28 02:46:35,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 387 transitions. [2024-06-28 02:46:35,980 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6211878009630819 [2024-06-28 02:46:35,981 INFO L175 Difference]: Start difference. First operand has 77 places, 72 transitions, 183 flow. Second operand 7 states and 387 transitions. [2024-06-28 02:46:35,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 193 transitions, 822 flow [2024-06-28 02:46:35,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 193 transitions, 818 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-28 02:46:35,990 INFO L231 Difference]: Finished difference. Result has 86 places, 78 transitions, 253 flow [2024-06-28 02:46:35,990 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=253, PETRI_PLACES=86, PETRI_TRANSITIONS=78} [2024-06-28 02:46:35,991 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 0 predicate places. [2024-06-28 02:46:35,996 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 78 transitions, 253 flow [2024-06-28 02:46:35,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 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) [2024-06-28 02:46:35,997 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:46:35,997 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-28 02:46:35,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-28 02:46:35,997 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-06-28 02:46:35,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:46:35,998 INFO L85 PathProgramCache]: Analyzing trace with hash 758313199, now seen corresponding path program 1 times [2024-06-28 02:46:35,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:46:35,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933284889] [2024-06-28 02:46:35,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:46:35,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:46:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:46:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:46:36,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:46:36,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933284889] [2024-06-28 02:46:36,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933284889] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:46:36,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:46:36,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-28 02:46:36,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525107816] [2024-06-28 02:46:36,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:46:36,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 02:46:36,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:46:36,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 02:46:36,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 02:46:36,123 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 89 [2024-06-28 02:46:36,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 78 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2024-06-28 02:46:36,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:46:36,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 89 [2024-06-28 02:46:36,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:46:37,074 INFO L124 PetriNetUnfolderBase]: 7485/12116 cut-off events. [2024-06-28 02:46:37,075 INFO L125 PetriNetUnfolderBase]: For 1553/1553 co-relation queries the response was YES. [2024-06-28 02:46:37,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26310 conditions, 12116 events. 7485/12116 cut-off events. For 1553/1553 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 84492 event pairs, 5024 based on Foata normal form. 138/11096 useless extension candidates. Maximal degree in co-relation 19808. Up to 8046 conditions per place. [2024-06-28 02:46:37,170 INFO L140 encePairwiseOnDemand]: 86/89 looper letters, 54 selfloop transitions, 2 changer transitions 0/89 dead transitions. [2024-06-28 02:46:37,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 89 transitions, 368 flow [2024-06-28 02:46:37,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 02:46:37,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 02:46:37,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 174 transitions. [2024-06-28 02:46:37,172 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.651685393258427 [2024-06-28 02:46:37,172 INFO L175 Difference]: Start difference. First operand has 86 places, 78 transitions, 253 flow. Second operand 3 states and 174 transitions. [2024-06-28 02:46:37,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 89 transitions, 368 flow [2024-06-28 02:46:37,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 89 transitions, 351 flow, removed 2 selfloop flow, removed 6 redundant places. [2024-06-28 02:46:37,197 INFO L231 Difference]: Finished difference. Result has 82 places, 71 transitions, 204 flow [2024-06-28 02:46:37,197 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=82, PETRI_TRANSITIONS=71} [2024-06-28 02:46:37,199 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -4 predicate places. [2024-06-28 02:46:37,199 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 71 transitions, 204 flow [2024-06-28 02:46:37,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2024-06-28 02:46:37,199 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:46:37,200 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] [2024-06-28 02:46:37,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-28 02:46:37,200 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-06-28 02:46:37,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:46:37,203 INFO L85 PathProgramCache]: Analyzing trace with hash -673345655, now seen corresponding path program 1 times [2024-06-28 02:46:37,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:46:37,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951105120] [2024-06-28 02:46:37,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:46:37,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:46:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:46:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:46:37,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:46:37,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951105120] [2024-06-28 02:46:37,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951105120] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:46:37,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:46:37,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-28 02:46:37,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240437286] [2024-06-28 02:46:37,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:46:37,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-28 02:46:37,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:46:37,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-28 02:46:37,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-06-28 02:46:37,398 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 89 [2024-06-28 02:46:37,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 71 transitions, 204 flow. Second operand has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 7 states have internal predecessors, (214), 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) [2024-06-28 02:46:37,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:46:37,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 89 [2024-06-28 02:46:37,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:46:39,079 INFO L124 PetriNetUnfolderBase]: 16073/22321 cut-off events. [2024-06-28 02:46:39,080 INFO L125 PetriNetUnfolderBase]: For 11421/11421 co-relation queries the response was YES. [2024-06-28 02:46:39,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47839 conditions, 22321 events. 16073/22321 cut-off events. For 11421/11421 co-relation queries the response was YES. Maximal size of possible extension queue 807. Compared 137407 event pairs, 2305 based on Foata normal form. 1828/23047 useless extension candidates. Maximal degree in co-relation 28466. Up to 3885 conditions per place. [2024-06-28 02:46:39,129 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 0 selfloop transitions, 0 changer transitions 206/206 dead transitions. [2024-06-28 02:46:39,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 206 transitions, 875 flow [2024-06-28 02:46:39,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-28 02:46:39,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-28 02:46:39,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 472 transitions. [2024-06-28 02:46:39,131 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5303370786516854 [2024-06-28 02:46:39,131 INFO L175 Difference]: Start difference. First operand has 82 places, 71 transitions, 204 flow. Second operand 10 states and 472 transitions. [2024-06-28 02:46:39,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 206 transitions, 875 flow [2024-06-28 02:46:39,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 206 transitions, 862 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-06-28 02:46:39,169 INFO L231 Difference]: Finished difference. Result has 82 places, 0 transitions, 0 flow [2024-06-28 02:46:39,169 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=82, PETRI_TRANSITIONS=0} [2024-06-28 02:46:39,170 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -4 predicate places. [2024-06-28 02:46:39,170 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 0 transitions, 0 flow [2024-06-28 02:46:39,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 7 states have internal predecessors, (214), 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) [2024-06-28 02:46:39,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 20 remaining) [2024-06-28 02:46:39,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 20 remaining) [2024-06-28 02:46:39,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 20 remaining) [2024-06-28 02:46:39,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 20 remaining) [2024-06-28 02:46:39,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 20 remaining) [2024-06-28 02:46:39,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 20 remaining) [2024-06-28 02:46:39,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 20 remaining) [2024-06-28 02:46:39,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 20 remaining) [2024-06-28 02:46:39,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 20 remaining) [2024-06-28 02:46:39,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 20 remaining) [2024-06-28 02:46:39,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-06-28 02:46:39,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-06-28 02:46:39,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 20 remaining) [2024-06-28 02:46:39,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 20 remaining) [2024-06-28 02:46:39,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork2Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 20 remaining) [2024-06-28 02:46:39,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork2Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 20 remaining) [2024-06-28 02:46:39,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 20 remaining) [2024-06-28 02:46:39,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 20 remaining) [2024-06-28 02:46:39,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork5Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 20 remaining) [2024-06-28 02:46:39,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork5Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 20 remaining) [2024-06-28 02:46:39,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-28 02:46:39,176 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-06-28 02:46:39,182 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-28 02:46:39,182 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-28 02:46:39,186 INFO L507 ceAbstractionStarter]: Automizer considered 6 witness invariants [2024-06-28 02:46:39,186 INFO L508 ceAbstractionStarter]: WitnessConsidered=6 [2024-06-28 02:46:39,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.06 02:46:39 BasicIcfg [2024-06-28 02:46:39,189 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-28 02:46:39,190 INFO L158 Benchmark]: Toolchain (without parser) took 15784.01ms. Allocated memory was 144.7MB in the beginning and 8.9GB in the end (delta: 8.8GB). Free memory was 65.7MB in the beginning and 8.0GB in the end (delta: -8.0GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-06-28 02:46:39,190 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 144.7MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:46:39,191 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:46:39,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.80ms. Allocated memory is still 144.7MB. Free memory was 65.6MB in the beginning and 102.9MB in the end (delta: -37.3MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-06-28 02:46:39,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.05ms. Allocated memory is still 144.7MB. Free memory was 102.9MB in the beginning and 100.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 02:46:39,192 INFO L158 Benchmark]: Boogie Preprocessor took 69.16ms. Allocated memory is still 144.7MB. Free memory was 100.4MB in the beginning and 97.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 02:46:39,192 INFO L158 Benchmark]: RCFGBuilder took 820.52ms. Allocated memory is still 144.7MB. Free memory was 97.9MB in the beginning and 109.6MB in the end (delta: -11.7MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2024-06-28 02:46:39,193 INFO L158 Benchmark]: TraceAbstraction took 14466.95ms. Allocated memory was 144.7MB in the beginning and 8.9GB in the end (delta: 8.8GB). Free memory was 108.9MB in the beginning and 8.0GB in the end (delta: -7.9GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-06-28 02:46:39,194 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 0.18ms. Allocated memory is still 144.7MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.80ms. Allocated memory is still 144.7MB. Free memory was 65.6MB in the beginning and 102.9MB in the end (delta: -37.3MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.05ms. Allocated memory is still 144.7MB. Free memory was 102.9MB in the beginning and 100.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.16ms. Allocated memory is still 144.7MB. Free memory was 100.4MB in the beginning and 97.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 820.52ms. Allocated memory is still 144.7MB. Free memory was 97.9MB in the beginning and 109.6MB in the end (delta: -11.7MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14466.95ms. Allocated memory was 144.7MB in the beginning and 8.9GB in the end (delta: 8.8GB). Free memory was 108.9MB in the beginning and 8.0GB in the end (delta: -7.9GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 102]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 103]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 193]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 194]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 165]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 166]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 148 locations, 20 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: 14.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 503 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 454 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1057 IncrementalHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 32 mSDtfsCounter, 1057 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=2, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-28 02:46:39,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE