./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-prod-cons3.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee 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-prod-cons3.wvr.c ./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-prod-cons3.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-c091e2e-m [2024-08-14 08:36:38,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 08:36:38,496 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 08:36:38,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 08:36:38,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 08:36:38,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 08:36:38,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 08:36:38,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 08:36:38,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 08:36:38,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 08:36:38,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 08:36:38,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 08:36:38,543 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 08:36:38,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 08:36:38,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 08:36:38,544 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 08:36:38,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 08:36:38,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 08:36:38,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 08:36:38,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 08:36:38,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 08:36:38,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 08:36:38,547 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 08:36:38,547 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 08:36:38,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 08:36:38,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 08:36:38,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 08:36:38,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 08:36:38,548 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 08:36:38,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 08:36:38,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 08:36:38,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 08:36:38,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 08:36:38,550 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 08:36:38,550 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 08:36:38,550 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 08:36:38,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 08:36:38,551 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 08:36:38,551 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 08:36:38,551 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 08:36:38,551 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 08:36:38,551 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 08:36:38,551 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-14 08:36:38,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 08:36:38,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 08:36:38,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 08:36:38,763 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 08:36:38,764 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 08:36:38,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-08-14 08:36:39,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 08:36:40,110 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 08:36:40,110 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-08-14 08:36:40,116 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0f211df03/a6d93d6a64684c5c8a19783bbf238506/FLAG7e36e3bf2 [2024-08-14 08:36:40,126 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0f211df03/a6d93d6a64684c5c8a19783bbf238506 [2024-08-14 08:36:40,128 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 08:36:40,128 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 08:36:40,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-prod-cons3.wvr.yml/witness.yml [2024-08-14 08:36:40,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 08:36:40,193 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 08:36:40,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 08:36:40,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 08:36:40,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 08:36:40,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:36:40" (1/2) ... [2024-08-14 08:36:40,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ad3165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:36:40, skipping insertion in model container [2024-08-14 08:36:40,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:36:40" (1/2) ... [2024-08-14 08:36:40,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2cea07a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:36:40, skipping insertion in model container [2024-08-14 08:36:40,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 08:36:40" (2/2) ... [2024-08-14 08:36:40,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ad3165 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:36:40, skipping insertion in model container [2024-08-14 08:36:40,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 08:36:40" (2/2) ... [2024-08-14 08:36:40,200 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 08:36:40,210 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 08:36:40,211 INFO L97 edCorrectnessWitness]: Location invariant before [L141-L141] ! multithreaded || (0 <= W && W <= 1073741822) [2024-08-14 08:36:40,211 INFO L97 edCorrectnessWitness]: Location invariant before [L144-L144] ! multithreaded || (0 <= W && W <= 1073741822) [2024-08-14 08:36:40,211 INFO L97 edCorrectnessWitness]: Location invariant before [L142-L142] ! multithreaded || (0 <= W && W <= 1073741822) [2024-08-14 08:36:40,211 INFO L97 edCorrectnessWitness]: Location invariant before [L143-L143] ! multithreaded || (0 <= W && W <= 1073741822) [2024-08-14 08:36:40,211 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 08:36:40,212 INFO L106 edCorrectnessWitness]: ghost_update [L140-L140] multithreaded = 1; [2024-08-14 08:36:40,227 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 08:36:40,399 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 08:36:40,410 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-14 08:36:40,464 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 08:36:40,480 INFO L206 MainTranslator]: Completed translation [2024-08-14 08:36:40,481 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:36:40 WrapperNode [2024-08-14 08:36:40,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 08:36:40,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 08:36:40,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 08:36:40,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 08:36:40,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:36:40" (1/1) ... [2024-08-14 08:36:40,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:36:40" (1/1) ... [2024-08-14 08:36:40,516 INFO L138 Inliner]: procedures = 25, calls = 54, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 265 [2024-08-14 08:36:40,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 08:36:40,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 08:36:40,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 08:36:40,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 08:36:40,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:36:40" (1/1) ... [2024-08-14 08:36:40,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:36:40" (1/1) ... [2024-08-14 08:36:40,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:36:40" (1/1) ... [2024-08-14 08:36:40,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:36:40" (1/1) ... [2024-08-14 08:36:40,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:36:40" (1/1) ... [2024-08-14 08:36:40,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:36:40" (1/1) ... [2024-08-14 08:36:40,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:36:40" (1/1) ... [2024-08-14 08:36:40,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:36:40" (1/1) ... [2024-08-14 08:36:40,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 08:36:40,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 08:36:40,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 08:36:40,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 08:36:40,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:36:40" (1/1) ... [2024-08-14 08:36:40,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 08:36:40,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:36:40,564 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) [2024-08-14 08:36:40,566 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 [2024-08-14 08:36:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 08:36:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-14 08:36:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-14 08:36:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-14 08:36:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-14 08:36:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-14 08:36:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-14 08:36:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-08-14 08:36:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-08-14 08:36:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 08:36:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-14 08:36:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 08:36:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 08:36:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-14 08:36:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 08:36:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 08:36:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-14 08:36:40,599 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 08:36:40,686 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 08:36:40,688 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 08:36:40,948 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 08:36:40,949 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 08:36:41,152 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 08:36:41,152 INFO L320 CfgBuilder]: Removed 5 assume(true) statements. [2024-08-14 08:36:41,153 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:36:41 BoogieIcfgContainer [2024-08-14 08:36:41,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 08:36:41,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 08:36:41,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 08:36:41,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 08:36:41,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 08:36:40" (1/4) ... [2024-08-14 08:36:41,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de0425b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 08:36:41, skipping insertion in model container [2024-08-14 08:36:41,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 08:36:40" (2/4) ... [2024-08-14 08:36:41,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de0425b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 08:36:41, skipping insertion in model container [2024-08-14 08:36:41,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:36:40" (3/4) ... [2024-08-14 08:36:41,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de0425b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 08:36:41, skipping insertion in model container [2024-08-14 08:36:41,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:36:41" (4/4) ... [2024-08-14 08:36:41,161 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2024-08-14 08:36:41,176 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 08:36:41,176 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-14 08:36:41,176 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 08:36:41,219 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-08-14 08:36:41,254 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 08:36:41,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 08:36:41,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:36:41,256 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) [2024-08-14 08:36:41,257 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 [2024-08-14 08:36:41,281 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 08:36:41,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 08:36:41,296 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;@4677c0e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 08:36:41,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-08-14 08:36:41,376 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-08-14 08:36:41,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:36:41,382 INFO L85 PathProgramCache]: Analyzing trace with hash -289287332, now seen corresponding path program 1 times [2024-08-14 08:36:41,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:36:41,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075564653] [2024-08-14 08:36:41,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:36:41,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:36:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:36:41,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:36:41,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:36:41,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075564653] [2024-08-14 08:36:41,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075564653] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 08:36:41,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 08:36:41,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 08:36:41,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333340169] [2024-08-14 08:36:41,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 08:36:41,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 08:36:41,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:36:41,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 08:36:41,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 08:36:41,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:36:41,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:36:41,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2024-08-14 08:36:41,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:36:42,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 08:36:42,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-08-14 08:36:42,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-08-14 08:36:42,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-08-14 08:36:42,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-08-14 08:36:42,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-08-14 08:36:42,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-08-14 08:36:42,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-08-14 08:36:42,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-08-14 08:36:42,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 08:36:42,625 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 08:36:42,628 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-14 08:36:42,628 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 08:36:42,630 INFO L507 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-08-14 08:36:42,630 INFO L508 ceAbstractionStarter]: WitnessConsidered=4 [2024-08-14 08:36:42,632 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 08:36:42 BasicIcfg [2024-08-14 08:36:42,632 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 08:36:42,632 INFO L158 Benchmark]: Toolchain (without parser) took 2439.57ms. Allocated memory was 172.0MB in the beginning and 211.8MB in the end (delta: 39.8MB). Free memory was 143.3MB in the beginning and 65.6MB in the end (delta: 77.8MB). Peak memory consumption was 122.0MB. Max. memory is 16.1GB. [2024-08-14 08:36:42,634 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 08:36:42,634 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 172.0MB. Free memory was 142.3MB in the beginning and 142.3MB in the end (delta: 34.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 08:36:42,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.74ms. Allocated memory is still 172.0MB. Free memory was 143.3MB in the beginning and 127.3MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-14 08:36:42,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.80ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 124.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 08:36:42,635 INFO L158 Benchmark]: Boogie Preprocessor took 23.40ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 122.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 08:36:42,635 INFO L158 Benchmark]: RCFGBuilder took 611.74ms. Allocated memory is still 172.0MB. Free memory was 122.4MB in the beginning and 111.7MB in the end (delta: 10.7MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-08-14 08:36:42,636 INFO L158 Benchmark]: TraceAbstraction took 1477.12ms. Allocated memory was 172.0MB in the beginning and 211.8MB in the end (delta: 39.8MB). Free memory was 110.6MB in the beginning and 65.6MB in the end (delta: 45.0MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2024-08-14 08:36:42,640 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 172.0MB. Free memory was 142.3MB in the beginning and 142.3MB in the end (delta: 34.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.74ms. Allocated memory is still 172.0MB. Free memory was 143.3MB in the beginning and 127.3MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.80ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 124.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.40ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 122.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 611.74ms. Allocated memory is still 172.0MB. Free memory was 122.4MB in the beginning and 111.7MB in the end (delta: 10.7MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1477.12ms. Allocated memory was 172.0MB in the beginning and 211.8MB in the end (delta: 39.8MB). Free memory was 110.6MB in the beginning and 65.6MB in the end (delta: 45.0MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 47004, independent: 43042, independent conditional: 41207, independent unconditional: 1835, dependent: 3962, dependent conditional: 3942, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44130, independent: 43042, independent conditional: 41207, independent unconditional: 1835, dependent: 1088, dependent conditional: 1068, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 44130, independent: 43042, independent conditional: 41207, independent unconditional: 1835, dependent: 1088, dependent conditional: 1068, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45198, independent: 43042, independent conditional: 0, independent unconditional: 43042, dependent: 2156, dependent conditional: 1068, dependent unconditional: 1088, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45198, independent: 43042, independent conditional: 0, independent unconditional: 43042, dependent: 2156, dependent conditional: 964, dependent unconditional: 1192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45198, independent: 43042, independent conditional: 0, independent unconditional: 43042, dependent: 2156, dependent conditional: 964, dependent unconditional: 1192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1600, independent: 1570, independent conditional: 0, independent unconditional: 1570, dependent: 30, dependent conditional: 10, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1600, independent: 1565, independent conditional: 0, independent unconditional: 1565, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 30, dependent conditional: 10, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 30, dependent conditional: 10, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 79, dependent conditional: 24, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 45198, independent: 41472, independent conditional: 0, independent unconditional: 41472, dependent: 2126, dependent conditional: 954, dependent unconditional: 1172, unknown: 1600, unknown conditional: 10, unknown unconditional: 1590] , Statistics on independence cache: Total cache size (in pairs): 1600, Positive cache size: 1570, Positive conditional cache size: 0, Positive unconditional cache size: 1570, Negative cache size: 30, Negative conditional cache size: 10, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 104, Maximal queried relation: 1, Independence queries for same thread: 2874 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 3607, Number of trivial persistent sets: 2218, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1855, independent: 1835, independent conditional: 0, independent unconditional: 1835, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 47004, independent: 43042, independent conditional: 41207, independent unconditional: 1835, dependent: 3962, dependent conditional: 3942, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44130, independent: 43042, independent conditional: 41207, independent unconditional: 1835, dependent: 1088, dependent conditional: 1068, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 44130, independent: 43042, independent conditional: 41207, independent unconditional: 1835, dependent: 1088, dependent conditional: 1068, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45198, independent: 43042, independent conditional: 0, independent unconditional: 43042, dependent: 2156, dependent conditional: 1068, dependent unconditional: 1088, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45198, independent: 43042, independent conditional: 0, independent unconditional: 43042, dependent: 2156, dependent conditional: 964, dependent unconditional: 1192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45198, independent: 43042, independent conditional: 0, independent unconditional: 43042, dependent: 2156, dependent conditional: 964, dependent unconditional: 1192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1600, independent: 1570, independent conditional: 0, independent unconditional: 1570, dependent: 30, dependent conditional: 10, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1600, independent: 1565, independent conditional: 0, independent unconditional: 1565, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 30, dependent conditional: 10, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 30, dependent conditional: 10, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 79, dependent conditional: 24, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 45198, independent: 41472, independent conditional: 0, independent unconditional: 41472, dependent: 2126, dependent conditional: 954, dependent unconditional: 1172, unknown: 1600, unknown conditional: 10, unknown unconditional: 1590] , Statistics on independence cache: Total cache size (in pairs): 1600, Positive cache size: 1570, Positive conditional cache size: 0, Positive unconditional cache size: 1570, Negative cache size: 30, Negative conditional cache size: 10, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 104, Maximal queried relation: 1, Independence queries for same thread: 2874 - PositiveResult [Line: 141]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 142]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 143]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 144]: 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 9 procedures, 84 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.0s, 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: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 08:36:42,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-14 08:36:42,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE