./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe036.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/safe036.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/pthread-wmm/safe036.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/safe036.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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 05:51:32,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 05:51:32,689 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 05:51:32,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 05:51:32,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 05:51:32,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 05:51:32,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 05:51:32,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 05:51:32,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 05:51:32,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 05:51:32,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 05:51:32,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 05:51:32,725 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 05:51:32,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 05:51:32,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 05:51:32,727 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 05:51:32,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 05:51:32,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 05:51:32,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 05:51:32,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 05:51:32,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 05:51:32,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 05:51:32,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 05:51:32,732 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 05:51:32,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 05:51:32,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 05:51:32,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 05:51:32,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 05:51:32,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 05:51:32,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 05:51:32,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 05:51:32,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 05:51:32,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 05:51:32,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 05:51:32,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 05:51:32,734 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 05:51:32,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 05:51:32,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 05:51:32,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 05:51:32,734 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 05:51:32,735 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 05:51:32,735 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 05:51:32,735 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-14 05:51:32,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 05:51:32,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 05:51:32,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 05:51:32,952 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 05:51:32,954 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 05:51:32,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/safe036.yml/witness.yml [2024-08-14 05:51:33,076 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 05:51:33,077 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 05:51:33,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036.i [2024-08-14 05:51:34,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 05:51:34,594 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 05:51:34,594 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036.i [2024-08-14 05:51:34,606 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dab0ea473/48383f1515b64dcb946bc8426d5f072d/FLAG4eb5e5b48 [2024-08-14 05:51:34,960 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dab0ea473/48383f1515b64dcb946bc8426d5f072d [2024-08-14 05:51:34,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 05:51:34,961 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 05:51:34,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 05:51:34,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 05:51:34,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 05:51:34,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 05:51:33" (1/2) ... [2024-08-14 05:51:34,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3faa876c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 05:51:34, skipping insertion in model container [2024-08-14 05:51:34,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 05:51:33" (1/2) ... [2024-08-14 05:51:34,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36b0cf13 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 05:51:34, skipping insertion in model container [2024-08-14 05:51:34,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 05:51:34" (2/2) ... [2024-08-14 05:51:34,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3faa876c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:51:34, skipping insertion in model container [2024-08-14 05:51:34,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 05:51:34" (2/2) ... [2024-08-14 05:51:34,970 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 05:51:34,995 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 05:51:34,996 INFO L97 edCorrectnessWitness]: Location invariant before [L768-L768] ((((! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || (y == 0 || y == 1))) && (! multithreaded || (x == 0 || x == 1))) && (! multithreaded || (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) [2024-08-14 05:51:34,996 INFO L97 edCorrectnessWitness]: Location invariant before [L767-L767] ((((! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || (y == 0 || y == 1))) && (! multithreaded || (x == 0 || x == 1))) && (! multithreaded || (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) [2024-08-14 05:51:34,996 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 05:51:34,996 INFO L106 edCorrectnessWitness]: ghost_update [L765-L765] multithreaded = 1; [2024-08-14 05:51:35,032 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 05:51:35,215 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036.i[941,954] [2024-08-14 05:51:35,347 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 05:51:35,356 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 05:51:35,389 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036.i[941,954] Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-14 05:51:35,435 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 05:51:35,468 INFO L206 MainTranslator]: Completed translation [2024-08-14 05:51:35,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:51:35 WrapperNode [2024-08-14 05:51:35,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 05:51:35,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 05:51:35,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 05:51:35,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 05:51:35,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:51:35" (1/1) ... [2024-08-14 05:51:35,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:51:35" (1/1) ... [2024-08-14 05:51:35,512 INFO L138 Inliner]: procedures = 174, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-08-14 05:51:35,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 05:51:35,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 05:51:35,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 05:51:35,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 05:51:35,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:51:35" (1/1) ... [2024-08-14 05:51:35,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:51:35" (1/1) ... [2024-08-14 05:51:35,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:51:35" (1/1) ... [2024-08-14 05:51:35,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:51:35" (1/1) ... [2024-08-14 05:51:35,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:51:35" (1/1) ... [2024-08-14 05:51:35,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:51:35" (1/1) ... [2024-08-14 05:51:35,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:51:35" (1/1) ... [2024-08-14 05:51:35,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:51:35" (1/1) ... [2024-08-14 05:51:35,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 05:51:35,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 05:51:35,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 05:51:35,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 05:51:35,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:51:35" (1/1) ... [2024-08-14 05:51:35,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 05:51:35,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 05:51:35,574 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 05:51:35,578 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 05:51:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 05:51:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 05:51:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-08-14 05:51:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-08-14 05:51:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-08-14 05:51:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-08-14 05:51:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 05:51:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 05:51:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 05:51:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 05:51:35,605 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 05:51:35,695 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 05:51:35,696 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 05:51:35,800 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 05:51:35,800 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 05:51:35,878 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 05:51:35,879 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 05:51:35,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 05:51:35 BoogieIcfgContainer [2024-08-14 05:51:35,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 05:51:35,882 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 05:51:35,883 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 05:51:35,886 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 05:51:35,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 05:51:33" (1/4) ... [2024-08-14 05:51:35,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1015b7d9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 05:51:35, skipping insertion in model container [2024-08-14 05:51:35,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 05:51:34" (2/4) ... [2024-08-14 05:51:35,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1015b7d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 05:51:35, skipping insertion in model container [2024-08-14 05:51:35,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:51:35" (3/4) ... [2024-08-14 05:51:35,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1015b7d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 05:51:35, skipping insertion in model container [2024-08-14 05:51:35,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 05:51:35" (4/4) ... [2024-08-14 05:51:35,890 INFO L112 eAbstractionObserver]: Analyzing ICFG safe036.i [2024-08-14 05:51:35,903 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 05:51:35,903 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-08-14 05:51:35,904 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 05:51:35,937 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-14 05:51:35,972 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 05:51:35,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 05:51:35,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 05:51:35,975 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 05:51:35,976 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 05:51:36,007 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 05:51:36,016 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 05:51:36,020 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;@6184e846, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 05:51:36,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-08-14 05:51:36,083 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-14 05:51:36,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 05:51:36,087 INFO L85 PathProgramCache]: Analyzing trace with hash 182021349, now seen corresponding path program 1 times [2024-08-14 05:51:36,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 05:51:36,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861045313] [2024-08-14 05:51:36,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 05:51:36,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 05:51:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 05:51:36,429 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 05:51:36,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 05:51:36,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861045313] [2024-08-14 05:51:36,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861045313] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 05:51:36,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 05:51:36,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-14 05:51:36,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990276484] [2024-08-14 05:51:36,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 05:51:36,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 05:51:36,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 05:51:36,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 05:51:36,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 05:51:36,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:36,459 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 05:51:36,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 05:51:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:36,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:36,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 05:51:36,525 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-14 05:51:36,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 05:51:36,526 INFO L85 PathProgramCache]: Analyzing trace with hash -807513748, now seen corresponding path program 1 times [2024-08-14 05:51:36,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 05:51:36,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243866651] [2024-08-14 05:51:36,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 05:51:36,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 05:51:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 05:51:36,720 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 05:51:36,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 05:51:36,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243866651] [2024-08-14 05:51:36,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243866651] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 05:51:36,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 05:51:36,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 05:51:36,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442235395] [2024-08-14 05:51:36,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 05:51:36,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 05:51:36,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 05:51:36,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 05:51:36,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 05:51:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:36,724 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 05:51:36,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 05:51:36,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:36,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:36,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:36,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:36,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-14 05:51:36,813 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-14 05:51:36,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 05:51:36,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1817188969, now seen corresponding path program 1 times [2024-08-14 05:51:36,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 05:51:36,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272748375] [2024-08-14 05:51:36,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 05:51:36,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 05:51:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 05:51:36,946 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 05:51:36,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 05:51:36,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272748375] [2024-08-14 05:51:36,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272748375] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 05:51:36,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 05:51:36,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 05:51:36,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696695421] [2024-08-14 05:51:36,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 05:51:36,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 05:51:36,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 05:51:36,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 05:51:36,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 05:51:36,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:36,949 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 05:51:36,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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 05:51:36,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:36,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:36,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:37,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:37,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:37,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 05:51:37,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-14 05:51:37,027 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-14 05:51:37,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 05:51:37,027 INFO L85 PathProgramCache]: Analyzing trace with hash 53183814, now seen corresponding path program 1 times [2024-08-14 05:51:37,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 05:51:37,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574699494] [2024-08-14 05:51:37,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 05:51:37,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 05:51:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 05:51:37,277 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 05:51:37,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 05:51:37,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574699494] [2024-08-14 05:51:37,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574699494] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 05:51:37,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 05:51:37,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 05:51:37,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338274806] [2024-08-14 05:51:37,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 05:51:37,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 05:51:37,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 05:51:37,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 05:51:37,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-08-14 05:51:37,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:37,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 05:51:37,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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 05:51:37,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:37,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:37,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 05:51:37,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:37,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 05:51:37,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:37,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-14 05:51:37,514 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-14 05:51:37,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 05:51:37,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1433841430, now seen corresponding path program 1 times [2024-08-14 05:51:37,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 05:51:37,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173347744] [2024-08-14 05:51:37,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 05:51:37,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 05:51:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 05:51:37,632 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 05:51:37,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 05:51:37,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173347744] [2024-08-14 05:51:37,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173347744] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 05:51:37,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 05:51:37,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 05:51:37,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701949616] [2024-08-14 05:51:37,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 05:51:37,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 05:51:37,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 05:51:37,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 05:51:37,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 05:51:37,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:37,635 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 05:51:37,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 05:51:37,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:37,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:37,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 05:51:37,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:37,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:37,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:37,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:37,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 05:51:37,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:37,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 05:51:37,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-14 05:51:37,765 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-14 05:51:37,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 05:51:37,766 INFO L85 PathProgramCache]: Analyzing trace with hash -877370618, now seen corresponding path program 2 times [2024-08-14 05:51:37,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 05:51:37,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690735351] [2024-08-14 05:51:37,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 05:51:37,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 05:51:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 05:51:37,894 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 05:51:37,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 05:51:37,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690735351] [2024-08-14 05:51:37,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690735351] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 05:51:37,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 05:51:37,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 05:51:37,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504466688] [2024-08-14 05:51:37,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 05:51:37,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 05:51:37,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 05:51:37,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 05:51:37,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-08-14 05:51:37,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:37,898 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 05:51:37,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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 05:51:37,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:37,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:37,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 05:51:37,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:37,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 05:51:37,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 05:51:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 05:51:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-14 05:51:38,084 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-14 05:51:38,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 05:51:38,085 INFO L85 PathProgramCache]: Analyzing trace with hash 198074666, now seen corresponding path program 1 times [2024-08-14 05:51:38,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 05:51:38,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988278057] [2024-08-14 05:51:38,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 05:51:38,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 05:51:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 05:51:38,210 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 05:51:38,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 05:51:38,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988278057] [2024-08-14 05:51:38,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988278057] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 05:51:38,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 05:51:38,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 05:51:38,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672804643] [2024-08-14 05:51:38,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 05:51:38,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-14 05:51:38,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 05:51:38,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-14 05:51:38,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-08-14 05:51:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:38,212 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 05:51:38,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 05:51:38,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:38,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 05:51:38,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 05:51:38,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:38,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:38,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 05:51:38,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 05:51:38,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 05:51:38,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-14 05:51:38,398 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-14 05:51:38,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 05:51:38,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1912410200, now seen corresponding path program 1 times [2024-08-14 05:51:38,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 05:51:38,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771679393] [2024-08-14 05:51:38,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 05:51:38,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 05:51:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 05:51:38,473 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 05:51:38,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 05:51:38,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771679393] [2024-08-14 05:51:38,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771679393] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 05:51:38,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 05:51:38,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 05:51:38,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626296801] [2024-08-14 05:51:38,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 05:51:38,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 05:51:38,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 05:51:38,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 05:51:38,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-08-14 05:51:38,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:38,475 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 05:51:38,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 05:51:38,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:38,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 05:51:38,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 05:51:38,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 05:51:38,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 05:51:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 05:51:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 05:51:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 05:51:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 05:51:38,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 05:51:38,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-08-14 05:51:38,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-08-14 05:51:38,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-08-14 05:51:38,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-08-14 05:51:38,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-08-14 05:51:38,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-14 05:51:38,593 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2024-08-14 05:51:38,595 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-14 05:51:38,596 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 05:51:38,597 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-14 05:51:38,597 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-14 05:51:38,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 05:51:38 BasicIcfg [2024-08-14 05:51:38,598 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 05:51:38,599 INFO L158 Benchmark]: Toolchain (without parser) took 3637.36ms. Allocated memory was 167.8MB in the beginning and 247.5MB in the end (delta: 79.7MB). Free memory was 91.3MB in the beginning and 166.2MB in the end (delta: -74.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2024-08-14 05:51:38,599 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 120.3MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 05:51:38,599 INFO L158 Benchmark]: CDTParser took 1.65ms. Allocated memory is still 167.8MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 05:51:38,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.19ms. Allocated memory was 167.8MB in the beginning and 247.5MB in the end (delta: 79.7MB). Free memory was 91.0MB in the beginning and 201.6MB in the end (delta: -110.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-08-14 05:51:38,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.79ms. Allocated memory is still 247.5MB. Free memory was 201.6MB in the beginning and 199.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 05:51:38,600 INFO L158 Benchmark]: Boogie Preprocessor took 24.21ms. Allocated memory is still 247.5MB. Free memory was 199.5MB in the beginning and 198.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 05:51:38,600 INFO L158 Benchmark]: RCFGBuilder took 340.72ms. Allocated memory is still 247.5MB. Free memory was 198.5MB in the beginning and 178.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-08-14 05:51:38,601 INFO L158 Benchmark]: TraceAbstraction took 2715.91ms. Allocated memory is still 247.5MB. Free memory was 177.5MB in the beginning and 166.2MB in the end (delta: 11.4MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-08-14 05:51:38,602 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 120.3MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.65ms. Allocated memory is still 167.8MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.19ms. Allocated memory was 167.8MB in the beginning and 247.5MB in the end (delta: 79.7MB). Free memory was 91.0MB in the beginning and 201.6MB in the end (delta: -110.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.79ms. Allocated memory is still 247.5MB. Free memory was 201.6MB in the beginning and 199.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.21ms. Allocated memory is still 247.5MB. Free memory was 199.5MB in the beginning and 198.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 340.72ms. Allocated memory is still 247.5MB. Free memory was 198.5MB in the beginning and 178.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2715.91ms. Allocated memory is still 247.5MB. Free memory was 177.5MB in the beginning and 166.2MB in the end (delta: 11.4MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3865, independent: 3544, independent conditional: 3115, independent unconditional: 429, dependent: 321, dependent conditional: 290, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3702, independent: 3544, independent conditional: 3115, independent unconditional: 429, dependent: 158, dependent conditional: 127, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3702, independent: 3544, independent conditional: 3115, independent unconditional: 429, dependent: 158, dependent conditional: 127, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4403, independent: 3544, independent conditional: 154, independent unconditional: 3390, dependent: 859, dependent conditional: 547, dependent unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4403, independent: 3544, independent conditional: 154, independent unconditional: 3390, dependent: 859, dependent conditional: 362, dependent unconditional: 497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4403, independent: 3544, independent conditional: 154, independent unconditional: 3390, dependent: 859, dependent conditional: 362, dependent unconditional: 497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 524, independent: 456, independent conditional: 24, independent unconditional: 432, dependent: 68, dependent conditional: 37, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 524, independent: 416, independent conditional: 0, independent unconditional: 416, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 108, independent: 40, independent conditional: 24, independent unconditional: 16, dependent: 68, dependent conditional: 37, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, independent: 40, independent conditional: 24, independent unconditional: 16, dependent: 68, dependent conditional: 37, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 261, independent: 103, independent conditional: 44, independent unconditional: 59, dependent: 158, dependent conditional: 94, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4403, independent: 3088, independent conditional: 130, independent unconditional: 2958, dependent: 791, dependent conditional: 325, dependent unconditional: 466, unknown: 524, unknown conditional: 61, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 524, Positive cache size: 456, Positive conditional cache size: 24, Positive unconditional cache size: 432, Negative cache size: 68, Negative conditional cache size: 37, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 185, Maximal queried relation: 4, Independence queries for same thread: 163 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 191, Number of trivial persistent sets: 118, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 460, independent: 429, independent conditional: 0, independent unconditional: 429, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3865, independent: 3544, independent conditional: 3115, independent unconditional: 429, dependent: 321, dependent conditional: 290, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3702, independent: 3544, independent conditional: 3115, independent unconditional: 429, dependent: 158, dependent conditional: 127, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3702, independent: 3544, independent conditional: 3115, independent unconditional: 429, dependent: 158, dependent conditional: 127, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4403, independent: 3544, independent conditional: 154, independent unconditional: 3390, dependent: 859, dependent conditional: 547, dependent unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4403, independent: 3544, independent conditional: 154, independent unconditional: 3390, dependent: 859, dependent conditional: 362, dependent unconditional: 497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4403, independent: 3544, independent conditional: 154, independent unconditional: 3390, dependent: 859, dependent conditional: 362, dependent unconditional: 497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 524, independent: 456, independent conditional: 24, independent unconditional: 432, dependent: 68, dependent conditional: 37, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 524, independent: 416, independent conditional: 0, independent unconditional: 416, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 108, independent: 40, independent conditional: 24, independent unconditional: 16, dependent: 68, dependent conditional: 37, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, independent: 40, independent conditional: 24, independent unconditional: 16, dependent: 68, dependent conditional: 37, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 261, independent: 103, independent conditional: 44, independent unconditional: 59, dependent: 158, dependent conditional: 94, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4403, independent: 3088, independent conditional: 130, independent unconditional: 2958, dependent: 791, dependent conditional: 325, dependent unconditional: 466, unknown: 524, unknown conditional: 61, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 524, Positive cache size: 456, Positive conditional cache size: 24, Positive unconditional cache size: 432, Negative cache size: 68, Negative conditional cache size: 37, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 185, Maximal queried relation: 4, Independence queries for same thread: 163 - PositiveResult [Line: 767]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 768]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.1s, 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: 44, 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, 1.1s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 965 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 05:51:38,625 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 05:51:38,827 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