./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.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/protection/popl20-more-inc-subseq.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c ./goblint.2024-06-19_11-23-25.files/protection/popl20-more-inc-subseq.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_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-2520d7c-m [2024-07-17 12:54:30,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-17 12:54:31,047 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-17 12:54:31,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-17 12:54:31,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-17 12:54:31,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-17 12:54:31,080 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-17 12:54:31,081 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-17 12:54:31,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-17 12:54:31,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-17 12:54:31,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-17 12:54:31,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-17 12:54:31,086 INFO L153 SettingsManager]: * Use SBE=true [2024-07-17 12:54:31,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-17 12:54:31,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-17 12:54:31,088 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-17 12:54:31,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-17 12:54:31,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-17 12:54:31,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-17 12:54:31,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-17 12:54:31,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-17 12:54:31,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-17 12:54:31,090 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-17 12:54:31,090 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-17 12:54:31,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-17 12:54:31,091 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-17 12:54:31,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-17 12:54:31,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-17 12:54:31,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-17 12:54:31,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-17 12:54:31,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 12:54:31,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-17 12:54:31,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-17 12:54:31,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-17 12:54:31,093 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-17 12:54:31,093 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-17 12:54:31,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-17 12:54:31,094 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-17 12:54:31,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-17 12:54:31,094 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-17 12:54:31,094 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-17 12:54:31,095 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-17 12:54:31,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-17 12:54:31,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-17 12:54:31,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-17 12:54:31,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-17 12:54:31,369 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-17 12:54:31,370 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-17 12:54:31,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/protection/popl20-more-inc-subseq.wvr.yml/witness.yml [2024-07-17 12:54:31,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-17 12:54:31,504 INFO L274 PluginConnector]: CDTParser initialized [2024-07-17 12:54:31,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2024-07-17 12:54:32,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-17 12:54:32,766 INFO L384 CDTParser]: Found 1 translation units. [2024-07-17 12:54:32,767 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2024-07-17 12:54:32,772 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6991a86a8/3f192df4e71d49e19cf84f884dba0542/FLAGe7f41ddf1 [2024-07-17 12:54:32,781 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6991a86a8/3f192df4e71d49e19cf84f884dba0542 [2024-07-17 12:54:32,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-17 12:54:32,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-17 12:54:32,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-17 12:54:32,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-17 12:54:32,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-17 12:54:32,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 12:54:31" (1/2) ... [2024-07-17 12:54:32,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc73802 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 12:54:32, skipping insertion in model container [2024-07-17 12:54:32,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 12:54:31" (1/2) ... [2024-07-17 12:54:32,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29bf6476 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 12:54:32, skipping insertion in model container [2024-07-17 12:54:32,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:54:32" (2/2) ... [2024-07-17 12:54:32,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc73802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:54:32, skipping insertion in model container [2024-07-17 12:54:32,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:54:32" (2/2) ... [2024-07-17 12:54:32,790 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-17 12:54:32,803 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-17 12:54:32,804 INFO L97 edCorrectnessWitness]: Location invariant before [L102-L102] ! multithreaded || 0 <= i [2024-07-17 12:54:32,804 INFO L97 edCorrectnessWitness]: Location invariant before [L103-L103] ! multithreaded || 0 <= i [2024-07-17 12:54:32,805 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-17 12:54:32,805 INFO L106 edCorrectnessWitness]: ghost_update [L101-L101] multithreaded = 1; [2024-07-17 12:54:32,821 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-17 12:54:32,989 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 12:54:32,996 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-17 12:54:33,037 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 12:54:33,049 INFO L206 MainTranslator]: Completed translation [2024-07-17 12:54:33,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:54:33 WrapperNode [2024-07-17 12:54:33,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-17 12:54:33,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-17 12:54:33,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-17 12:54:33,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-17 12:54:33,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:54:33" (1/1) ... [2024-07-17 12:54:33,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:54:33" (1/1) ... [2024-07-17 12:54:33,079 INFO L138 Inliner]: procedures = 23, calls = 36, calls flagged for inlining = 12, calls inlined = 14, statements flattened = 194 [2024-07-17 12:54:33,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-17 12:54:33,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-17 12:54:33,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-17 12:54:33,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-17 12:54:33,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:54:33" (1/1) ... [2024-07-17 12:54:33,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:54:33" (1/1) ... [2024-07-17 12:54:33,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:54:33" (1/1) ... [2024-07-17 12:54:33,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:54:33" (1/1) ... [2024-07-17 12:54:33,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:54:33" (1/1) ... [2024-07-17 12:54:33,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:54:33" (1/1) ... [2024-07-17 12:54:33,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:54:33" (1/1) ... [2024-07-17 12:54:33,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:54:33" (1/1) ... [2024-07-17 12:54:33,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-17 12:54:33,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-17 12:54:33,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-17 12:54:33,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-17 12:54:33,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:54:33" (1/1) ... [2024-07-17 12:54:33,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 12:54:33,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 12:54:33,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-17 12:54:33,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-17 12:54:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-17 12:54:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-17 12:54:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-17 12:54:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-17 12:54:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-17 12:54:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-17 12:54:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-17 12:54:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-17 12:54:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-17 12:54:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-07-17 12:54:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-17 12:54:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-17 12:54:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-17 12:54:33,186 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-17 12:54:33,257 INFO L244 CfgBuilder]: Building ICFG [2024-07-17 12:54:33,259 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-17 12:54:33,472 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-17 12:54:33,473 INFO L293 CfgBuilder]: Performing block encoding [2024-07-17 12:54:33,715 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-17 12:54:33,715 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-07-17 12:54:33,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:54:33 BoogieIcfgContainer [2024-07-17 12:54:33,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-17 12:54:33,718 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-17 12:54:33,718 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-17 12:54:33,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-17 12:54:33,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 12:54:31" (1/4) ... [2024-07-17 12:54:33,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1457fa3a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 12:54:33, skipping insertion in model container [2024-07-17 12:54:33,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:54:32" (2/4) ... [2024-07-17 12:54:33,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1457fa3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:54:33, skipping insertion in model container [2024-07-17 12:54:33,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:54:33" (3/4) ... [2024-07-17 12:54:33,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1457fa3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:54:33, skipping insertion in model container [2024-07-17 12:54:33,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:54:33" (4/4) ... [2024-07-17 12:54:33,724 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2024-07-17 12:54:33,738 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-17 12:54:33,738 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-07-17 12:54:33,738 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-17 12:54:33,777 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-07-17 12:54:33,817 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 12:54:33,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 12:54:33,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 12:54:33,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-17 12:54:33,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-17 12:54:33,866 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 12:54:33,875 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-17 12:54:33,880 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=PARTIAL_ORDER_FA, 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;@7f08ebf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 12:54:33,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-17 12:54:33,971 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 12:54:33,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 12:54:33,976 INFO L85 PathProgramCache]: Analyzing trace with hash -354918531, now seen corresponding path program 1 times [2024-07-17 12:54:33,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 12:54:33,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674753232] [2024-07-17 12:54:33,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 12:54:33,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 12:54:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 12:54:34,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 12:54:34,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 12:54:34,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674753232] [2024-07-17 12:54:34,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674753232] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 12:54:34,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 12:54:34,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-17 12:54:34,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143455224] [2024-07-17 12:54:34,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 12:54:34,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 12:54:34,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 12:54:34,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 12:54:34,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 12:54:34,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 12:54:34,351 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 12:54:34,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-07-17 12:54:34,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 12:54:34,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 12:54:34,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-17 12:54:34,590 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 12:54:34,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 12:54:34,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1773276403, now seen corresponding path program 1 times [2024-07-17 12:54:34,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 12:54:34,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119798684] [2024-07-17 12:54:34,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 12:54:34,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 12:54:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 12:54:34,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-07-17 12:54:34,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 12:54:34,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119798684] [2024-07-17 12:54:34,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119798684] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 12:54:34,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 12:54:34,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-17 12:54:34,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567380113] [2024-07-17 12:54:34,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 12:54:34,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 12:54:34,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 12:54:34,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 12:54:34,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 12:54:34,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 12:54:34,719 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 12:54:34,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) 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) [2024-07-17 12:54:34,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 12:54:34,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 12:54:34,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 12:54:34,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 12:54:34,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-07-17 12:54:34,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-07-17 12:54:34,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-07-17 12:54:34,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-17 12:54:34,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-17 12:54:34,818 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-07-17 12:54:34,820 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-17 12:54:34,820 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-17 12:54:34,821 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-07-17 12:54:34,822 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-07-17 12:54:34,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:54:34 BasicIcfg [2024-07-17 12:54:34,822 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-17 12:54:34,823 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-17 12:54:34,823 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-17 12:54:34,823 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-17 12:54:34,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:54:33" (4/5) ... [2024-07-17 12:54:34,825 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-07-17 12:54:34,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-07-17 12:54:34,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-07-17 12:54:34,832 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2024-07-17 12:54:34,832 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-07-17 12:54:34,832 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-07-17 12:54:34,833 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-07-17 12:54:34,878 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c-witness.graphml [2024-07-17 12:54:34,878 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c-witness.yml [2024-07-17 12:54:34,879 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-17 12:54:34,879 INFO L158 Benchmark]: Toolchain (without parser) took 2096.72ms. Allocated memory was 182.5MB in the beginning and 257.9MB in the end (delta: 75.5MB). Free memory was 108.6MB in the beginning and 165.4MB in the end (delta: -56.9MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-07-17 12:54:34,879 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 182.5MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 12:54:34,879 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 182.5MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 12:54:34,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.90ms. Allocated memory is still 182.5MB. Free memory was 108.3MB in the beginning and 93.1MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-07-17 12:54:34,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.28ms. Allocated memory is still 182.5MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 12:54:34,880 INFO L158 Benchmark]: Boogie Preprocessor took 21.91ms. Allocated memory is still 182.5MB. Free memory was 91.0MB in the beginning and 89.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 12:54:34,881 INFO L158 Benchmark]: RCFGBuilder took 611.63ms. Allocated memory was 182.5MB in the beginning and 257.9MB in the end (delta: 75.5MB). Free memory was 89.4MB in the beginning and 191.4MB in the end (delta: -102.1MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-07-17 12:54:34,881 INFO L158 Benchmark]: TraceAbstraction took 1104.74ms. Allocated memory is still 257.9MB. Free memory was 190.4MB in the beginning and 169.6MB in the end (delta: 20.7MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-07-17 12:54:34,881 INFO L158 Benchmark]: Witness Printer took 55.85ms. Allocated memory is still 257.9MB. Free memory was 169.6MB in the beginning and 165.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-17 12:54:34,882 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 0.15ms. Allocated memory is still 182.5MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.72ms. Allocated memory is still 182.5MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.90ms. Allocated memory is still 182.5MB. Free memory was 108.3MB in the beginning and 93.1MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.28ms. Allocated memory is still 182.5MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.91ms. Allocated memory is still 182.5MB. Free memory was 91.0MB in the beginning and 89.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 611.63ms. Allocated memory was 182.5MB in the beginning and 257.9MB in the end (delta: 75.5MB). Free memory was 89.4MB in the beginning and 191.4MB in the end (delta: -102.1MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1104.74ms. Allocated memory is still 257.9MB. Free memory was 190.4MB in the beginning and 169.6MB in the end (delta: 20.7MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Witness Printer took 55.85ms. Allocated memory is still 257.9MB. Free memory was 169.6MB in the beginning and 165.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1735, independent: 1517, independent conditional: 1096, independent unconditional: 421, dependent: 218, dependent conditional: 203, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1572, independent: 1517, independent conditional: 1096, independent unconditional: 421, dependent: 55, dependent conditional: 40, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1572, independent: 1517, independent conditional: 1096, independent unconditional: 421, dependent: 55, dependent conditional: 40, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1634, independent: 1517, independent conditional: 16, independent unconditional: 1501, dependent: 117, dependent conditional: 46, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1634, independent: 1517, independent conditional: 16, independent unconditional: 1501, dependent: 117, dependent conditional: 27, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1634, independent: 1517, independent conditional: 16, independent unconditional: 1501, dependent: 117, dependent conditional: 27, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 395, independent: 369, independent conditional: 3, independent unconditional: 366, dependent: 26, dependent conditional: 11, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 395, independent: 362, independent conditional: 0, independent unconditional: 362, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 7, independent conditional: 3, independent unconditional: 4, dependent: 26, dependent conditional: 11, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 7, independent conditional: 3, independent unconditional: 4, dependent: 26, dependent conditional: 11, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, independent: 69, independent conditional: 6, independent unconditional: 63, dependent: 87, dependent conditional: 31, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1634, independent: 1148, independent conditional: 13, independent unconditional: 1135, dependent: 91, dependent conditional: 16, dependent unconditional: 75, unknown: 395, unknown conditional: 14, unknown unconditional: 381] , Statistics on independence cache: Total cache size (in pairs): 395, Positive cache size: 369, Positive conditional cache size: 3, Positive unconditional cache size: 366, Negative cache size: 26, Negative conditional cache size: 11, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19, Maximal queried relation: 2, Independence queries for same thread: 163 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 87, Number of trivial persistent sets: 76, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 436, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1735, independent: 1517, independent conditional: 1096, independent unconditional: 421, dependent: 218, dependent conditional: 203, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1572, independent: 1517, independent conditional: 1096, independent unconditional: 421, dependent: 55, dependent conditional: 40, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1572, independent: 1517, independent conditional: 1096, independent unconditional: 421, dependent: 55, dependent conditional: 40, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1634, independent: 1517, independent conditional: 16, independent unconditional: 1501, dependent: 117, dependent conditional: 46, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1634, independent: 1517, independent conditional: 16, independent unconditional: 1501, dependent: 117, dependent conditional: 27, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1634, independent: 1517, independent conditional: 16, independent unconditional: 1501, dependent: 117, dependent conditional: 27, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 395, independent: 369, independent conditional: 3, independent unconditional: 366, dependent: 26, dependent conditional: 11, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 395, independent: 362, independent conditional: 0, independent unconditional: 362, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 7, independent conditional: 3, independent unconditional: 4, dependent: 26, dependent conditional: 11, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 7, independent conditional: 3, independent unconditional: 4, dependent: 26, dependent conditional: 11, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, independent: 69, independent conditional: 6, independent unconditional: 63, dependent: 87, dependent conditional: 31, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1634, independent: 1148, independent conditional: 13, independent unconditional: 1135, dependent: 91, dependent conditional: 16, dependent unconditional: 75, unknown: 395, unknown conditional: 14, unknown unconditional: 381] , Statistics on independence cache: Total cache size (in pairs): 395, Positive cache size: 369, Positive conditional cache size: 3, Positive unconditional cache size: 366, Negative cache size: 26, Negative conditional cache size: 11, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19, Maximal queried relation: 2, Independence queries for same thread: 163 - 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 46 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, 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, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 83 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 5/5 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-17 12:54:34,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-17 12:54:35,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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