./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.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-proofs-counter-add-4-semi-Q67.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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-proofs-counter-add-4-semi-Q67.wvr.c ./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-proofs-counter-add-4-semi-Q67.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.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 15:43:00,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 15:43:00,410 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 15:43:00,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 15:43:00,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 15:43:00,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 15:43:00,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 15:43:00,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 15:43:00,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 15:43:00,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 15:43:00,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 15:43:00,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 15:43:00,441 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 15:43:00,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 15:43:00,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 15:43:00,442 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 15:43:00,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 15:43:00,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 15:43:00,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 15:43:00,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 15:43:00,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 15:43:00,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 15:43:00,445 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 15:43:00,445 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 15:43:00,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 15:43:00,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 15:43:00,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 15:43:00,446 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 15:43:00,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 15:43:00,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 15:43:00,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 15:43:00,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 15:43:00,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 15:43:00,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 15:43:00,448 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 15:43:00,448 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 15:43:00,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 15:43:00,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 15:43:00,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 15:43:00,449 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 15:43:00,449 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 15:43:00,450 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 15:43:00,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-23 15:43:00,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 15:43:00,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 15:43:00,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 15:43:00,743 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 15:43:00,743 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 15:43:00,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-08-23 15:43:02,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 15:43:02,425 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 15:43:02,426 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-08-23 15:43:02,433 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/520a79bae/7e60086856df4f72a8beb94115946eb7/FLAG9e6e9b30b [2024-08-23 15:43:02,445 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/520a79bae/7e60086856df4f72a8beb94115946eb7 [2024-08-23 15:43:02,448 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 15:43:02,448 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 15:43:02,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-proofs-counter-add-4-semi-Q67.wvr.yml/witness.yml [2024-08-23 15:43:02,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 15:43:02,580 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 15:43:02,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 15:43:02,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 15:43:02,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 15:43:02,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 03:43:02" (1/2) ... [2024-08-23 15:43:02,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770b67db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 03:43:02, skipping insertion in model container [2024-08-23 15:43:02,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 03:43:02" (1/2) ... [2024-08-23 15:43:02,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@792222ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 03:43:02, skipping insertion in model container [2024-08-23 15:43:02,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 03:43:02" (2/2) ... [2024-08-23 15:43:02,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770b67db and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 03:43:02, skipping insertion in model container [2024-08-23 15:43:02,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 03:43:02" (2/2) ... [2024-08-23 15:43:02,593 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-23 15:43:02,618 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 15:43:02,619 INFO L97 edCorrectnessWitness]: Location invariant before [L98-L98] ((((! multithreaded || 0 <= j2) && (! multithreaded || 0 <= counter)) && (! multithreaded || 0 <= i2)) && (! multithreaded || 0 <= i1)) && (! multithreaded || 0 <= j1) [2024-08-23 15:43:02,619 INFO L97 edCorrectnessWitness]: Location invariant before [L99-L99] ((((! multithreaded || 0 <= j2) && (! multithreaded || 0 <= counter)) && (! multithreaded || 0 <= i2)) && (! multithreaded || 0 <= i1)) && (! multithreaded || 0 <= j1) [2024-08-23 15:43:02,620 INFO L97 edCorrectnessWitness]: Location invariant before [L96-L96] ((((! multithreaded || 0 <= j2) && (! multithreaded || 0 <= counter)) && (! multithreaded || 0 <= i2)) && (! multithreaded || 0 <= i1)) && (! multithreaded || 0 <= j1) [2024-08-23 15:43:02,621 INFO L97 edCorrectnessWitness]: Location invariant before [L97-L97] ((((! multithreaded || 0 <= j2) && (! multithreaded || 0 <= counter)) && (! multithreaded || 0 <= i2)) && (! multithreaded || 0 <= i1)) && (! multithreaded || 0 <= j1) [2024-08-23 15:43:02,621 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 15:43:02,621 INFO L106 edCorrectnessWitness]: ghost_update [L95-L95] multithreaded = 1; [2024-08-23 15:43:02,645 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 15:43:02,819 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 15:43:02,828 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-23 15:43:02,886 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 15:43:02,904 INFO L206 MainTranslator]: Completed translation [2024-08-23 15:43:02,904 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 03:43:02 WrapperNode [2024-08-23 15:43:02,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 15:43:02,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 15:43:02,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 15:43:02,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 15:43:02,913 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 23.08 03:43:02" (1/1) ... [2024-08-23 15:43:02,922 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 23.08 03:43:02" (1/1) ... [2024-08-23 15:43:02,953 INFO L138 Inliner]: procedures = 21, calls = 23, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2024-08-23 15:43:02,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 15:43:02,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 15:43:02,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 15:43:02,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 15:43:02,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 03:43:02" (1/1) ... [2024-08-23 15:43:02,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 03:43:02" (1/1) ... [2024-08-23 15:43:02,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 03:43:02" (1/1) ... [2024-08-23 15:43:02,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 03:43:02" (1/1) ... [2024-08-23 15:43:02,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 03:43:02" (1/1) ... [2024-08-23 15:43:02,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 03:43:02" (1/1) ... [2024-08-23 15:43:03,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 03:43:02" (1/1) ... [2024-08-23 15:43:03,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 03:43:02" (1/1) ... [2024-08-23 15:43:03,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 15:43:03,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 15:43:03,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 15:43:03,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 15:43:03,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 03:43:02" (1/1) ... [2024-08-23 15:43:03,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 15:43:03,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 15:43:03,052 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) [2024-08-23 15:43:03,056 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 [2024-08-23 15:43:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 15:43:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-23 15:43:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-23 15:43:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-23 15:43:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-23 15:43:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-23 15:43:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-23 15:43:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-08-23 15:43:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-08-23 15:43:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 15:43:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-23 15:43:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-23 15:43:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 15:43:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 15:43:03,097 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 15:43:03,192 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 15:43:03,194 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 15:43:03,464 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 15:43:03,464 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 15:43:03,695 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 15:43:03,695 INFO L319 CfgBuilder]: Removed 4 assume(true) statements. [2024-08-23 15:43:03,696 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 03:43:03 BoogieIcfgContainer [2024-08-23 15:43:03,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 15:43:03,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 15:43:03,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 15:43:03,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 15:43:03,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 03:43:02" (1/4) ... [2024-08-23 15:43:03,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5394b837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 03:43:03, skipping insertion in model container [2024-08-23 15:43:03,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 03:43:02" (2/4) ... [2024-08-23 15:43:03,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5394b837 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 03:43:03, skipping insertion in model container [2024-08-23 15:43:03,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 03:43:02" (3/4) ... [2024-08-23 15:43:03,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5394b837 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 03:43:03, skipping insertion in model container [2024-08-23 15:43:03,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 03:43:03" (4/4) ... [2024-08-23 15:43:03,709 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-08-23 15:43:03,726 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 15:43:03,726 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-23 15:43:03,726 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 15:43:03,770 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-08-23 15:43:03,822 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 15:43:03,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 15:43:03,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 15:43:03,825 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) [2024-08-23 15:43:03,827 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 [2024-08-23 15:43:03,871 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 15:43:03,887 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 15:43:03,897 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;@5b3a90ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 15:43:03,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-08-23 15:43:04,035 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)] === [2024-08-23 15:43:04,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 15:43:04,039 INFO L85 PathProgramCache]: Analyzing trace with hash -917688631, now seen corresponding path program 1 times [2024-08-23 15:43:04,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 15:43:04,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77817636] [2024-08-23 15:43:04,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 15:43:04,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 15:43:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 15:43:04,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 15:43:04,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 15:43:04,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77817636] [2024-08-23 15:43:04,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77817636] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 15:43:04,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 15:43:04,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-23 15:43:04,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192257496] [2024-08-23 15:43:04,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 15:43:04,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 15:43:04,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 15:43:04,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 15:43:04,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 15:43:04,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 15:43:04,475 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 15:43:04,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-08-23 15:43:04,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 15:43:05,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 15:43:05,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-23 15:43:05,064 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-08-23 15:43:05,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 15:43:05,064 INFO L85 PathProgramCache]: Analyzing trace with hash 58397368, now seen corresponding path program 1 times [2024-08-23 15:43:05,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 15:43:05,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757898960] [2024-08-23 15:43:05,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 15:43:05,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 15:43:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 15:43:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 15:43:05,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 15:43:05,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757898960] [2024-08-23 15:43:05,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757898960] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 15:43:05,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 15:43:05,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-23 15:43:05,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767902564] [2024-08-23 15:43:05,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 15:43:05,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-23 15:43:05,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 15:43:05,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-23 15:43:05,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-08-23 15:43:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 15:43:05,443 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 15:43:05,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2024-08-23 15:43:05,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 15:43:05,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 15:43:06,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 15:43:06,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 15:43:06,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-23 15:43:06,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-08-23 15:43:06,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 15:43:06,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1111599376, now seen corresponding path program 1 times [2024-08-23 15:43:06,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 15:43:06,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632621219] [2024-08-23 15:43:06,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 15:43:06,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 15:43:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 15:43:06,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 15:43:06,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 15:43:06,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632621219] [2024-08-23 15:43:06,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632621219] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 15:43:06,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789807496] [2024-08-23 15:43:06,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 15:43:06,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 15:43:06,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 15:43:06,468 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 15:43:06,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-23 15:43:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 15:43:06,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 11 conjunts are in the unsatisfiable core [2024-08-23 15:43:06,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 15:43:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 15:43:06,990 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 15:43:06,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789807496] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 15:43:06,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 15:43:06,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2024-08-23 15:43:06,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587956513] [2024-08-23 15:43:06,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 15:43:06,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-23 15:43:06,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 15:43:06,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-23 15:43:06,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-08-23 15:43:06,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 15:43:06,993 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 15:43:06,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-08-23 15:43:06,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 15:43:06,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 15:43:06,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 15:43:07,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 15:43:07,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 15:43:07,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 15:43:07,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-23 15:43:07,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-08-23 15:43:07,900 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-08-23 15:43:07,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 15:43:07,901 INFO L85 PathProgramCache]: Analyzing trace with hash 618019776, now seen corresponding path program 2 times [2024-08-23 15:43:07,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 15:43:07,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010532074] [2024-08-23 15:43:07,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 15:43:07,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 15:43:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 15:43:08,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 15:43:08,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 15:43:08,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010532074] [2024-08-23 15:43:08,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010532074] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 15:43:08,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792554476] [2024-08-23 15:43:08,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 15:43:08,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 15:43:08,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 15:43:08,148 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 15:43:08,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-23 15:43:08,226 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-23 15:43:08,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 15:43:08,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2024-08-23 15:43:08,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 15:43:08,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 15:43:08,435 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 15:43:08,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792554476] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 15:43:08,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 15:43:08,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 8 [2024-08-23 15:43:08,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153049197] [2024-08-23 15:43:08,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 15:43:08,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 15:43:08,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 15:43:08,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 15:43:08,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-08-23 15:43:08,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 15:43:08,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 15:43:08,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-08-23 15:43:08,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 15:43:08,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 15:43:08,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 15:43:08,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 15:43:09,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 15:43:09,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 15:43:09,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 15:43:09,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 15:43:09,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-08-23 15:43:09,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-08-23 15:43:09,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-08-23 15:43:09,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-08-23 15:43:09,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-08-23 15:43:09,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-08-23 15:43:09,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-08-23 15:43:09,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-08-23 15:43:09,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-23 15:43:09,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 15:43:09,388 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-08-23 15:43:09,391 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-23 15:43:09,391 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-23 15:43:09,397 INFO L507 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-08-23 15:43:09,398 INFO L508 ceAbstractionStarter]: WitnessConsidered=4 [2024-08-23 15:43:09,399 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 03:43:09 BasicIcfg [2024-08-23 15:43:09,399 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-23 15:43:09,400 INFO L158 Benchmark]: Toolchain (without parser) took 6819.52ms. Allocated memory was 176.2MB in the beginning and 272.6MB in the end (delta: 96.5MB). Free memory was 102.5MB in the beginning and 135.2MB in the end (delta: -32.6MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2024-08-23 15:43:09,400 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 15:43:09,400 INFO L158 Benchmark]: Witness Parser took 0.94ms. Allocated memory is still 176.2MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 15:43:09,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.74ms. Allocated memory is still 176.2MB. Free memory was 102.1MB in the beginning and 87.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-23 15:43:09,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.66ms. Allocated memory is still 176.2MB. Free memory was 87.3MB in the beginning and 85.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 15:43:09,402 INFO L158 Benchmark]: Boogie Preprocessor took 55.33ms. Allocated memory is still 176.2MB. Free memory was 85.3MB in the beginning and 83.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 15:43:09,403 INFO L158 Benchmark]: RCFGBuilder took 684.16ms. Allocated memory is still 176.2MB. Free memory was 83.7MB in the beginning and 125.2MB in the end (delta: -41.5MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-08-23 15:43:09,406 INFO L158 Benchmark]: TraceAbstraction took 5698.91ms. Allocated memory was 176.2MB in the beginning and 272.6MB in the end (delta: 96.5MB). Free memory was 124.0MB in the beginning and 135.2MB in the end (delta: -11.2MB). Peak memory consumption was 114.5MB. Max. memory is 16.1GB. [2024-08-23 15:43:09,408 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.94ms. Allocated memory is still 176.2MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.74ms. Allocated memory is still 176.2MB. Free memory was 102.1MB in the beginning and 87.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.66ms. Allocated memory is still 176.2MB. Free memory was 87.3MB in the beginning and 85.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.33ms. Allocated memory is still 176.2MB. Free memory was 85.3MB in the beginning and 83.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 684.16ms. Allocated memory is still 176.2MB. Free memory was 83.7MB in the beginning and 125.2MB in the end (delta: -41.5MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5698.91ms. Allocated memory was 176.2MB in the beginning and 272.6MB in the end (delta: 96.5MB). Free memory was 124.0MB in the beginning and 135.2MB in the end (delta: -11.2MB). Peak memory consumption was 114.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 189003, independent: 170954, independent conditional: 169953, independent unconditional: 1001, dependent: 18049, dependent conditional: 18016, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 173879, independent: 170954, independent conditional: 169953, independent unconditional: 1001, dependent: 2925, dependent conditional: 2892, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 173879, independent: 170954, independent conditional: 169953, independent unconditional: 1001, dependent: 2925, dependent conditional: 2892, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 184013, independent: 170954, independent conditional: 5432, independent unconditional: 165522, dependent: 13059, dependent conditional: 4702, dependent unconditional: 8357, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 184013, independent: 170954, independent conditional: 5432, independent unconditional: 165522, dependent: 13059, dependent conditional: 4036, dependent unconditional: 9023, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 184013, independent: 170954, independent conditional: 5432, independent unconditional: 165522, dependent: 13059, dependent conditional: 4036, dependent unconditional: 9023, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1076, independent: 974, independent conditional: 46, independent unconditional: 928, dependent: 102, dependent conditional: 69, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1076, independent: 901, independent conditional: 0, independent unconditional: 901, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 175, independent: 73, independent conditional: 46, independent unconditional: 27, dependent: 102, dependent conditional: 69, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 175, independent: 73, independent conditional: 46, independent unconditional: 27, dependent: 102, dependent conditional: 69, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 610, independent: 324, independent conditional: 151, independent unconditional: 173, dependent: 286, dependent conditional: 177, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 184013, independent: 169980, independent conditional: 5386, independent unconditional: 164594, dependent: 12957, dependent conditional: 3967, dependent unconditional: 8990, unknown: 1076, unknown conditional: 115, unknown unconditional: 961] , Statistics on independence cache: Total cache size (in pairs): 1076, Positive cache size: 974, Positive conditional cache size: 46, Positive unconditional cache size: 928, Negative cache size: 102, Negative conditional cache size: 69, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 666, Maximal queried relation: 4, Independence queries for same thread: 15124 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 1047, Number of trivial persistent sets: 962, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1034, independent: 1001, independent conditional: 0, independent unconditional: 1001, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 189003, independent: 170954, independent conditional: 169953, independent unconditional: 1001, dependent: 18049, dependent conditional: 18016, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 173879, independent: 170954, independent conditional: 169953, independent unconditional: 1001, dependent: 2925, dependent conditional: 2892, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 173879, independent: 170954, independent conditional: 169953, independent unconditional: 1001, dependent: 2925, dependent conditional: 2892, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 184013, independent: 170954, independent conditional: 5432, independent unconditional: 165522, dependent: 13059, dependent conditional: 4702, dependent unconditional: 8357, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 184013, independent: 170954, independent conditional: 5432, independent unconditional: 165522, dependent: 13059, dependent conditional: 4036, dependent unconditional: 9023, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 184013, independent: 170954, independent conditional: 5432, independent unconditional: 165522, dependent: 13059, dependent conditional: 4036, dependent unconditional: 9023, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1076, independent: 974, independent conditional: 46, independent unconditional: 928, dependent: 102, dependent conditional: 69, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1076, independent: 901, independent conditional: 0, independent unconditional: 901, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 175, independent: 73, independent conditional: 46, independent unconditional: 27, dependent: 102, dependent conditional: 69, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 175, independent: 73, independent conditional: 46, independent unconditional: 27, dependent: 102, dependent conditional: 69, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 610, independent: 324, independent conditional: 151, independent unconditional: 173, dependent: 286, dependent conditional: 177, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 184013, independent: 169980, independent conditional: 5386, independent unconditional: 164594, dependent: 12957, dependent conditional: 3967, dependent unconditional: 8990, unknown: 1076, unknown conditional: 115, unknown unconditional: 961] , Statistics on independence cache: Total cache size (in pairs): 1076, Positive cache size: 974, Positive conditional cache size: 46, Positive unconditional cache size: 928, Negative cache size: 102, Negative conditional cache size: 69, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 666, Maximal queried relation: 4, Independence queries for same thread: 15124 - PositiveResult [Line: 96]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 97]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 98]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 99]: 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, 60 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.9s, 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: 22, 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, 1.8s InterpolantComputationTime, 136 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 1765 SizeOfPredicates, 0 NumberOfNonLiveVariables, 317 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 7/14 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! [2024-08-23 15:43:09,438 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 [2024-08-23 15:43:09,635 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