./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/protection/race-1_3-join.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cde23df1 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/ldv-races/race-1_3-join.i ./goblint.2024-05-21_14-57-05.files/protection/race-1_3-join.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-cde23df-m [2024-06-14 13:38:57,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 13:38:57,682 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 13:38:57,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 13:38:57,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 13:38:57,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 13:38:57,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 13:38:57,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 13:38:57,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 13:38:57,720 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 13:38:57,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 13:38:57,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 13:38:57,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 13:38:57,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 13:38:57,722 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 13:38:57,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 13:38:57,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 13:38:57,723 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 13:38:57,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 13:38:57,724 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 13:38:57,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 13:38:57,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 13:38:57,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 13:38:57,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 13:38:57,726 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 13:38:57,726 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 13:38:57,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 13:38:57,727 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 13:38:57,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 13:38:57,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 13:38:57,728 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 13:38:57,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 13:38:57,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 13:38:57,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 13:38:57,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 13:38:57,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 13:38:57,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 13:38:57,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 13:38:57,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 13:38:57,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 13:38:57,732 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 13:38:57,732 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 13:38:57,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 13:38:57,733 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 13:38:57,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 13:38:58,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 13:38:58,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 13:38:58,018 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 13:38:58,019 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 13:38:58,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/race-1_3-join.yml/witness.yml [2024-06-14 13:38:58,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 13:38:58,111 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 13:38:58,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2024-06-14 13:38:59,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 13:38:59,503 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 13:38:59,504 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2024-06-14 13:38:59,532 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/400f5d230/e25aa4ad0d8b40d3bc817be29c6ac2a6/FLAGdcb31afba [2024-06-14 13:38:59,545 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/400f5d230/e25aa4ad0d8b40d3bc817be29c6ac2a6 [2024-06-14 13:38:59,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 13:38:59,547 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 13:38:59,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 13:38:59,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 13:38:59,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 13:38:59,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:38:58" (1/2) ... [2024-06-14 13:38:59,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5684af03 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:38:59, skipping insertion in model container [2024-06-14 13:38:59,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:38:58" (1/2) ... [2024-06-14 13:38:59,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@570c1842 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:38:59, skipping insertion in model container [2024-06-14 13:38:59,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 01:38:59" (2/2) ... [2024-06-14 13:38:59,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5684af03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:38:59, skipping insertion in model container [2024-06-14 13:38:59,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 01:38:59" (2/2) ... [2024-06-14 13:38:59,562 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 13:38:59,601 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 13:38:59,602 INFO L97 edCorrectnessWitness]: Location invariant before [L1713-L1713] ! multithreaded || (((((0 <= pdev && 1 <= pdev) && pdev <= 6) && pdev <= 127) && pdev != 0) && (((pdev == 1 || pdev == 4) || pdev == 5) || pdev == 6)) [2024-06-14 13:38:59,602 INFO L103 edCorrectnessWitness]: ghost_variable mutex_locked = 0 [2024-06-14 13:38:59,603 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 13:38:59,603 INFO L106 edCorrectnessWitness]: ghost_update [L1700-L1700] mutex_locked = 1; [2024-06-14 13:38:59,603 INFO L106 edCorrectnessWitness]: ghost_update [L1704-L1704] mutex_locked = 0; [2024-06-14 13:38:59,603 INFO L106 edCorrectnessWitness]: ghost_update [L1712-L1712] multithreaded = 1; [2024-06-14 13:38:59,650 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 13:39:00,209 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 13:39:00,222 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-14 13:39:00,321 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 13:39:00,426 INFO L206 MainTranslator]: Completed translation [2024-06-14 13:39:00,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:39:00 WrapperNode [2024-06-14 13:39:00,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 13:39:00,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 13:39:00,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 13:39:00,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 13:39:00,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:39:00" (1/1) ... [2024-06-14 13:39:00,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:39:00" (1/1) ... [2024-06-14 13:39:00,509 INFO L138 Inliner]: procedures = 483, calls = 31, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 98 [2024-06-14 13:39:00,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 13:39:00,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 13:39:00,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 13:39:00,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 13:39:00,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:39:00" (1/1) ... [2024-06-14 13:39:00,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:39:00" (1/1) ... [2024-06-14 13:39:00,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:39:00" (1/1) ... [2024-06-14 13:39:00,555 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 5, 1]. 63 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 1 writes are split as follows [0, 0, 1]. [2024-06-14 13:39:00,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:39:00" (1/1) ... [2024-06-14 13:39:00,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:39:00" (1/1) ... [2024-06-14 13:39:00,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:39:00" (1/1) ... [2024-06-14 13:39:00,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:39:00" (1/1) ... [2024-06-14 13:39:00,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:39:00" (1/1) ... [2024-06-14 13:39:00,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:39:00" (1/1) ... [2024-06-14 13:39:00,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 13:39:00,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 13:39:00,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 13:39:00,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 13:39:00,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:39:00" (1/1) ... [2024-06-14 13:39:00,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 13:39:00,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 13:39:00,729 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) [2024-06-14 13:39:00,752 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 [2024-06-14 13:39:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-14 13:39:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-06-14 13:39:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-14 13:39:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 13:39:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 13:39:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-06-14 13:39:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-06-14 13:39:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-06-14 13:39:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 13:39:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 13:39:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-06-14 13:39:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 13:39:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-14 13:39:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-14 13:39:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 13:39:00,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 13:39:00,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-14 13:39:00,777 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 13:39:01,074 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 13:39:01,076 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 13:39:01,213 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 13:39:01,213 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 13:39:01,343 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 13:39:01,343 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 13:39:01,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 01:39:01 BoogieIcfgContainer [2024-06-14 13:39:01,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 13:39:01,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 13:39:01,348 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 13:39:01,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 13:39:01,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:38:58" (1/4) ... [2024-06-14 13:39:01,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47578b4c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 01:39:01, skipping insertion in model container [2024-06-14 13:39:01,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 01:38:59" (2/4) ... [2024-06-14 13:39:01,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47578b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 01:39:01, skipping insertion in model container [2024-06-14 13:39:01,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:39:00" (3/4) ... [2024-06-14 13:39:01,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47578b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 01:39:01, skipping insertion in model container [2024-06-14 13:39:01,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 01:39:01" (4/4) ... [2024-06-14 13:39:01,359 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2024-06-14 13:39:01,373 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 13:39:01,373 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-14 13:39:01,373 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 13:39:01,402 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-14 13:39:01,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 24 transitions, 55 flow [2024-06-14 13:39:01,454 INFO L124 PetriNetUnfolderBase]: 1/29 cut-off events. [2024-06-14 13:39:01,454 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-14 13:39:01,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 29 events. 1/29 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 1. Up to 3 conditions per place. [2024-06-14 13:39:01,458 INFO L82 GeneralOperation]: Start removeDead. Operand has 26 places, 24 transitions, 55 flow [2024-06-14 13:39:01,460 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 17 places, 13 transitions, 29 flow [2024-06-14 13:39:01,468 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 13:39:01,474 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;@6c1e62d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 13:39:01,474 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-14 13:39:01,478 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 13:39:01,478 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-06-14 13:39:01,478 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 13:39:01,478 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 13:39:01,479 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-06-14 13:39:01,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 13:39:01,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 13:39:01,484 INFO L85 PathProgramCache]: Analyzing trace with hash -824643969, now seen corresponding path program 1 times [2024-06-14 13:39:01,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 13:39:01,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011155284] [2024-06-14 13:39:01,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 13:39:01,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 13:39:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 13:39:01,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 13:39:01,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 13:39:01,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011155284] [2024-06-14 13:39:01,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011155284] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 13:39:01,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 13:39:01,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 13:39:01,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736957643] [2024-06-14 13:39:01,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 13:39:01,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 13:39:01,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 13:39:01,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 13:39:01,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 13:39:01,987 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 24 [2024-06-14 13:39:01,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 13 transitions, 29 flow. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-06-14 13:39:01,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 13:39:01,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 24 [2024-06-14 13:39:01,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 13:39:02,030 INFO L124 PetriNetUnfolderBase]: 6/25 cut-off events. [2024-06-14 13:39:02,031 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 13:39:02,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 25 events. 6/25 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 3 based on Foata normal form. 2/26 useless extension candidates. Maximal degree in co-relation 38. Up to 15 conditions per place. [2024-06-14 13:39:02,033 INFO L140 encePairwiseOnDemand]: 21/24 looper letters, 10 selfloop transitions, 2 changer transitions 0/14 dead transitions. [2024-06-14 13:39:02,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 14 transitions, 55 flow [2024-06-14 13:39:02,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 13:39:02,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 13:39:02,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2024-06-14 13:39:02,045 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3055555555555556 [2024-06-14 13:39:02,046 INFO L175 Difference]: Start difference. First operand has 17 places, 13 transitions, 29 flow. Second operand 3 states and 22 transitions. [2024-06-14 13:39:02,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 14 transitions, 55 flow [2024-06-14 13:39:02,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 14 transitions, 54 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-14 13:39:02,051 INFO L231 Difference]: Finished difference. Result has 19 places, 13 transitions, 36 flow [2024-06-14 13:39:02,053 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=36, PETRI_PLACES=19, PETRI_TRANSITIONS=13} [2024-06-14 13:39:02,058 INFO L281 CegarLoopForPetriNet]: 17 programPoint places, 2 predicate places. [2024-06-14 13:39:02,059 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 13 transitions, 36 flow [2024-06-14 13:39:02,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-06-14 13:39:02,059 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 13:39:02,059 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 13:39:02,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 13:39:02,060 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 13:39:02,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 13:39:02,061 INFO L85 PathProgramCache]: Analyzing trace with hash -423197793, now seen corresponding path program 1 times [2024-06-14 13:39:02,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 13:39:02,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091151691] [2024-06-14 13:39:02,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 13:39:02,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 13:39:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 13:39:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 13:39:02,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 13:39:02,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091151691] [2024-06-14 13:39:02,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091151691] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 13:39:02,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 13:39:02,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-14 13:39:02,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69308998] [2024-06-14 13:39:02,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 13:39:02,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 13:39:02,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 13:39:02,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 13:39:02,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 13:39:02,195 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 24 [2024-06-14 13:39:02,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 13 transitions, 36 flow. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-06-14 13:39:02,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 13:39:02,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 24 [2024-06-14 13:39:02,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 13:39:02,218 INFO L124 PetriNetUnfolderBase]: 4/20 cut-off events. [2024-06-14 13:39:02,218 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-14 13:39:02,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 20 events. 4/20 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 14 event pairs, 1 based on Foata normal form. 3/22 useless extension candidates. Maximal degree in co-relation 32. Up to 10 conditions per place. [2024-06-14 13:39:02,219 INFO L140 encePairwiseOnDemand]: 22/24 looper letters, 0 selfloop transitions, 0 changer transitions 13/13 dead transitions. [2024-06-14 13:39:02,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 13 transitions, 56 flow [2024-06-14 13:39:02,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 13:39:02,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 13:39:02,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2024-06-14 13:39:02,220 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2916666666666667 [2024-06-14 13:39:02,220 INFO L175 Difference]: Start difference. First operand has 19 places, 13 transitions, 36 flow. Second operand 3 states and 21 transitions. [2024-06-14 13:39:02,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 13 transitions, 56 flow [2024-06-14 13:39:02,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 13 transitions, 50 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-14 13:39:02,221 INFO L231 Difference]: Finished difference. Result has 17 places, 0 transitions, 0 flow [2024-06-14 13:39:02,221 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=17, PETRI_TRANSITIONS=0} [2024-06-14 13:39:02,222 INFO L281 CegarLoopForPetriNet]: 17 programPoint places, 0 predicate places. [2024-06-14 13:39:02,222 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 0 transitions, 0 flow [2024-06-14 13:39:02,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-06-14 13:39:02,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-14 13:39:02,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-14 13:39:02,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-14 13:39:02,226 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-14 13:39:02,229 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 13:39:02,229 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 13:39:02,245 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-14 13:39:02,246 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-14 13:39:02,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 01:39:02 BasicIcfg [2024-06-14 13:39:02,247 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 13:39:02,247 INFO L158 Benchmark]: Toolchain (without parser) took 2700.95ms. Allocated memory is still 153.1MB. Free memory was 112.4MB in the beginning and 73.3MB in the end (delta: 39.2MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-06-14 13:39:02,248 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:39:02,248 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:39:02,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 880.09ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 48.1MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-06-14 13:39:02,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.75ms. Allocated memory is still 153.1MB. Free memory was 48.1MB in the beginning and 44.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-14 13:39:02,250 INFO L158 Benchmark]: Boogie Preprocessor took 133.53ms. Allocated memory is still 153.1MB. Free memory was 44.6MB in the beginning and 118.6MB in the end (delta: -74.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-06-14 13:39:02,250 INFO L158 Benchmark]: RCFGBuilder took 700.67ms. Allocated memory is still 153.1MB. Free memory was 118.6MB in the beginning and 83.0MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-06-14 13:39:02,251 INFO L158 Benchmark]: TraceAbstraction took 899.23ms. Allocated memory is still 153.1MB. Free memory was 82.1MB in the beginning and 73.3MB in the end (delta: 8.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-06-14 13:39:02,253 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 0.17ms. Allocated memory is still 117.4MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 880.09ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 48.1MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.75ms. Allocated memory is still 153.1MB. Free memory was 48.1MB in the beginning and 44.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.53ms. Allocated memory is still 153.1MB. Free memory was 44.6MB in the beginning and 118.6MB in the end (delta: -74.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * RCFGBuilder took 700.67ms. Allocated memory is still 153.1MB. Free memory was 118.6MB in the beginning and 83.0MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 899.23ms. Allocated memory is still 153.1MB. Free memory was 82.1MB in the beginning and 73.3MB in the end (delta: 8.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1713]: 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 3 procedures, 31 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=1, InterpolantAutomatonStates: 6, 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, 0.3s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-14 13:39:02,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE