./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/13-privatized_27-multiple-protecting2_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 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/goblint-regression/13-privatized_27-multiple-protecting2_true.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/13-privatized_27-multiple-protecting2_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 02:38:04,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 02:38:05,085 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 02:38:05,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 02:38:05,090 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 02:38:05,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 02:38:05,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 02:38:05,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 02:38:05,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 02:38:05,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 02:38:05,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 02:38:05,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 02:38:05,128 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 02:38:05,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 02:38:05,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 02:38:05,129 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 02:38:05,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 02:38:05,130 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 02:38:05,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 02:38:05,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 02:38:05,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 02:38:05,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 02:38:05,135 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 02:38:05,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 02:38:05,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 02:38:05,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 02:38:05,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 02:38:05,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 02:38:05,137 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 02:38:05,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 02:38:05,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 02:38:05,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 02:38:05,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 02:38:05,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 02:38:05,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 02:38:05,139 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 02:38:05,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 02:38:05,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 02:38:05,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 02:38:05,140 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 02:38:05,140 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 02:38:05,143 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-08 02:38:05,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 02:38:05,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 02:38:05,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 02:38:05,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 02:38:05,411 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 02:38:05,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-09-08 02:38:06,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 02:38:07,176 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 02:38:07,177 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-09-08 02:38:07,196 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e9b6e470c/d65f96e8d5804ce5980a8b347f09c01f/FLAGd6282159a [2024-09-08 02:38:07,210 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e9b6e470c/d65f96e8d5804ce5980a8b347f09c01f [2024-09-08 02:38:07,212 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 02:38:07,212 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 02:38:07,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/13-privatized_27-multiple-protecting2_true.yml/witness.yml [2024-09-08 02:38:07,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 02:38:07,307 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 02:38:07,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 02:38:07,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 02:38:07,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 02:38:07,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:38:07" (1/2) ... [2024-09-08 02:38:07,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec2f882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:38:07, skipping insertion in model container [2024-09-08 02:38:07,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:38:07" (1/2) ... [2024-09-08 02:38:07,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19893363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:38:07, skipping insertion in model container [2024-09-08 02:38:07,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:38:07" (2/2) ... [2024-09-08 02:38:07,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec2f882 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:38:07, skipping insertion in model container [2024-09-08 02:38:07,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:38:07" (2/2) ... [2024-09-08 02:38:07,367 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 02:38:07,368 INFO L1541 ArrayList]: Location invariant before [L698-L698] g2 == 0 [2024-09-08 02:38:07,368 INFO L1541 ArrayList]: Location invariant before [L699-L699] (g2 == 0) && (g1 == 0 || g1 == 1) [2024-09-08 02:38:07,368 INFO L1541 ArrayList]: Location invariant before [L687-L687] g1 == 0 [2024-09-08 02:38:07,368 INFO L1541 ArrayList]: Location invariant before [L702-L702] (g2 == 1) && (g1 == 0 || g1 == 1) [2024-09-08 02:38:07,368 INFO L1541 ArrayList]: Location invariant before [L691-L691] (g1 == 1) && (g2 == 0 || g2 == 1) [2024-09-08 02:38:07,369 INFO L1541 ArrayList]: Location invariant before [L688-L688] (g1 == 0) && (g2 == 0 || g2 == 1) [2024-09-08 02:38:07,369 INFO L1541 ArrayList]: Location invariant before [L717-L717] (g1 == 0) && (g2 == 0) [2024-09-08 02:38:07,369 INFO L1541 ArrayList]: Location invariant before [L714-L714] (g1 == 0) && (g2 == 0 || g2 == 1) [2024-09-08 02:38:07,369 INFO L1541 ArrayList]: Location invariant before [L713-L713] g1 == 0 [2024-09-08 02:38:07,370 INFO L1541 ArrayList]: Location invariant before [L721-L721] (g1 == 0) && (g2 == 0) [2024-09-08 02:38:07,370 INFO L1541 ArrayList]: Location invariant before [L725-L725] (g1 == 0) && (g2 == 0 || g2 == 1) [2024-09-08 02:38:07,370 INFO L1541 ArrayList]: Location invariant before [L718-L718] (g1 == 0) && (g2 == 0) [2024-09-08 02:38:07,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 02:38:07,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 02:38:07,843 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 02:38:07,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 02:38:08,006 INFO L204 MainTranslator]: Completed translation [2024-09-08 02:38:08,007 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:38:08 WrapperNode [2024-09-08 02:38:08,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 02:38:08,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 02:38:08,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 02:38:08,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 02:38:08,015 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 08.09 02:38:08" (1/1) ... [2024-09-08 02:38:08,033 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 08.09 02:38:08" (1/1) ... [2024-09-08 02:38:08,066 INFO L138 Inliner]: procedures = 163, calls = 55, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 129 [2024-09-08 02:38:08,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 02:38:08,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 02:38:08,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 02:38:08,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 02:38:08,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:38:08" (1/1) ... [2024-09-08 02:38:08,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:38:08" (1/1) ... [2024-09-08 02:38:08,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:38:08" (1/1) ... [2024-09-08 02:38:08,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:38:08" (1/1) ... [2024-09-08 02:38:08,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:38:08" (1/1) ... [2024-09-08 02:38:08,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:38:08" (1/1) ... [2024-09-08 02:38:08,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:38:08" (1/1) ... [2024-09-08 02:38:08,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:38:08" (1/1) ... [2024-09-08 02:38:08,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 02:38:08,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 02:38:08,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 02:38:08,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 02:38:08,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:38:08" (1/1) ... [2024-09-08 02:38:08,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 02:38:08,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:38:08,161 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) [2024-09-08 02:38:08,167 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 [2024-09-08 02:38:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-09-08 02:38:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-09-08 02:38:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 02:38:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 02:38:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-08 02:38:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-08 02:38:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 02:38:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 02:38:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 02:38:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 02:38:08,220 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 02:38:08,377 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 02:38:08,379 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 02:38:08,706 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 02:38:08,707 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 02:38:08,931 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 02:38:08,931 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-08 02:38:08,933 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:38:08 BoogieIcfgContainer [2024-09-08 02:38:08,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 02:38:08,936 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 02:38:08,937 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 02:38:08,940 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 02:38:08,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:38:07" (1/4) ... [2024-09-08 02:38:08,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ac46fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:38:08, skipping insertion in model container [2024-09-08 02:38:08,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:38:07" (2/4) ... [2024-09-08 02:38:08,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ac46fe and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 02:38:08, skipping insertion in model container [2024-09-08 02:38:08,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:38:08" (3/4) ... [2024-09-08 02:38:08,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ac46fe and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 02:38:08, skipping insertion in model container [2024-09-08 02:38:08,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:38:08" (4/4) ... [2024-09-08 02:38:08,945 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2024-09-08 02:38:08,964 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 02:38:08,964 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-09-08 02:38:08,964 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 02:38:09,021 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-08 02:38:09,098 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:38:09,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 02:38:09,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:38:09,101 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) [2024-09-08 02:38:09,103 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 [2024-09-08 02:38:09,138 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 02:38:09,153 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork0 ======== [2024-09-08 02:38:09,159 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@355f6a0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:38:09,161 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-08 02:38:09,315 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:09,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:09,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1738890212, now seen corresponding path program 1 times [2024-09-08 02:38:09,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:09,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617243624] [2024-09-08 02:38:09,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:09,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:09,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:09,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617243624] [2024-09-08 02:38:09,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617243624] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:09,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:09,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 02:38:09,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811440421] [2024-09-08 02:38:09,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:09,619 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 02:38:09,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:09,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 02:38:09,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 02:38:09,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:09,645 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:09,647 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-09-08 02:38:09,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:09,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:09,717 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 02:38:09,718 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:09,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:09,719 INFO L85 PathProgramCache]: Analyzing trace with hash -717901296, now seen corresponding path program 1 times [2024-09-08 02:38:09,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:09,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012869283] [2024-09-08 02:38:09,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:09,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:09,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:09,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:09,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012869283] [2024-09-08 02:38:09,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012869283] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:09,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:09,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 02:38:09,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690126138] [2024-09-08 02:38:09,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:09,858 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 02:38:09,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:09,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 02:38:09,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 02:38:09,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:09,861 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:09,861 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 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) [2024-09-08 02:38:09,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:09,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:09,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:09,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:09,992 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 02:38:09,992 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:09,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:09,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1550371924, now seen corresponding path program 1 times [2024-09-08 02:38:09,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:09,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308980672] [2024-09-08 02:38:09,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:09,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:10,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:10,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:10,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308980672] [2024-09-08 02:38:10,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308980672] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:10,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:10,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 02:38:10,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140183946] [2024-09-08 02:38:10,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:10,072 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 02:38:10,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:10,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 02:38:10,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 02:38:10,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:10,076 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:10,076 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-09-08 02:38:10,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:10,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:10,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:10,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:10,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:10,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:10,150 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 02:38:10,151 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:10,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:10,152 INFO L85 PathProgramCache]: Analyzing trace with hash -947726403, now seen corresponding path program 1 times [2024-09-08 02:38:10,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:10,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659214057] [2024-09-08 02:38:10,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:10,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:10,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:10,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659214057] [2024-09-08 02:38:10,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659214057] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:10,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:10,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 02:38:10,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913673936] [2024-09-08 02:38:10,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:10,420 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 02:38:10,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:10,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 02:38:10,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 02:38:10,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:10,423 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:10,423 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 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) [2024-09-08 02:38:10,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:10,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:10,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:10,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:10,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:10,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:10,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:10,590 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-08 02:38:10,590 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:10,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:10,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1650511985, now seen corresponding path program 1 times [2024-09-08 02:38:10,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:10,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617097084] [2024-09-08 02:38:10,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:10,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:10,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:10,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617097084] [2024-09-08 02:38:10,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617097084] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:10,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:10,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 02:38:10,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756440813] [2024-09-08 02:38:10,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:10,761 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 02:38:10,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:10,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 02:38:10,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-08 02:38:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:10,763 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:10,763 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-09-08 02:38:10,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:12,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:12,041 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-08 02:38:12,041 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:12,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:12,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1898702696, now seen corresponding path program 1 times [2024-09-08 02:38:12,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:12,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161839819] [2024-09-08 02:38:12,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:12,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:12,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:12,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161839819] [2024-09-08 02:38:12,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161839819] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:12,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:12,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 02:38:12,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393484732] [2024-09-08 02:38:12,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:12,252 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 02:38:12,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:12,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 02:38:12,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-08 02:38:12,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:12,254 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:12,254 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-09-08 02:38:12,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:12,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:12,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:12,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:12,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:12,620 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-08 02:38:12,620 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:12,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:12,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1069451725, now seen corresponding path program 1 times [2024-09-08 02:38:12,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:12,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8335199] [2024-09-08 02:38:12,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:12,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:12,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:12,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:12,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8335199] [2024-09-08 02:38:12,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8335199] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:12,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:12,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 02:38:12,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328843594] [2024-09-08 02:38:12,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:12,691 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 02:38:12,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:12,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 02:38:12,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 02:38:12,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:12,692 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:12,692 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-09-08 02:38:12,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:12,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:12,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:12,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:12,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:12,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:12,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:12,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:12,949 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-08 02:38:12,949 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:12,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:12,950 INFO L85 PathProgramCache]: Analyzing trace with hash 697448493, now seen corresponding path program 1 times [2024-09-08 02:38:12,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:12,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080240384] [2024-09-08 02:38:12,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:12,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:13,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:13,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:13,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080240384] [2024-09-08 02:38:13,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080240384] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:13,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:13,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 02:38:13,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091504744] [2024-09-08 02:38:13,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:13,090 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 02:38:13,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:13,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 02:38:13,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-08 02:38:13,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:13,091 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:13,091 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-09-08 02:38:13,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:13,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:13,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:14,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:14,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:14,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:14,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:14,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:14,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:14,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:14,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:14,515 INFO L785 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-09-08 02:38:14,516 INFO L785 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-09-08 02:38:14,516 INFO L785 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 3 remaining) [2024-09-08 02:38:14,516 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-08 02:38:14,523 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-09-08 02:38:14,529 INFO L312 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork0 was SAFE,SAFE,SAFE (1/3) [2024-09-08 02:38:14,534 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:38:14,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 02:38:14,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:38:14,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 02:38:14,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-09-08 02:38:14,564 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 02:38:14,564 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork1 ======== [2024-09-08 02:38:14,565 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@355f6a0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:38:14,565 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-08 02:38:14,610 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:14,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:14,610 INFO L85 PathProgramCache]: Analyzing trace with hash -975553223, now seen corresponding path program 1 times [2024-09-08 02:38:14,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:14,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126176178] [2024-09-08 02:38:14,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:14,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:14,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:14,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:14,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126176178] [2024-09-08 02:38:14,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126176178] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:14,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:14,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 02:38:14,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297431894] [2024-09-08 02:38:14,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:14,632 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 02:38:14,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:14,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 02:38:14,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 02:38:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:14,633 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:14,634 INFO L475 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) [2024-09-08 02:38:14,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:14,659 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-08 02:38:14,659 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:14,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:14,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1338233389, now seen corresponding path program 1 times [2024-09-08 02:38:14,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:14,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809878234] [2024-09-08 02:38:14,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:14,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:14,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:14,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:14,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809878234] [2024-09-08 02:38:14,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809878234] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:14,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:14,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 02:38:14,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437732051] [2024-09-08 02:38:14,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:14,690 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 02:38:14,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:14,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 02:38:14,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 02:38:14,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:14,691 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:14,691 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-09-08 02:38:14,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:14,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:14,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:14,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:14,733 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-08 02:38:14,734 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:14,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:14,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1730613391, now seen corresponding path program 1 times [2024-09-08 02:38:14,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:14,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867262517] [2024-09-08 02:38:14,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:14,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:14,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:14,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:14,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867262517] [2024-09-08 02:38:14,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867262517] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:14,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:14,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 02:38:14,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834640811] [2024-09-08 02:38:14,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:14,797 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 02:38:14,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:14,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 02:38:14,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 02:38:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:14,798 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:14,799 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2024-09-08 02:38:14,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:14,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:14,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:14,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:14,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:14,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:14,951 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-08 02:38:14,951 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:14,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:14,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1792896730, now seen corresponding path program 1 times [2024-09-08 02:38:14,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:14,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761327939] [2024-09-08 02:38:14,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:14,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:15,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:15,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:15,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761327939] [2024-09-08 02:38:15,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761327939] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:15,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:15,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 02:38:15,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452393882] [2024-09-08 02:38:15,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:15,118 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 02:38:15,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:15,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 02:38:15,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-08 02:38:15,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:15,120 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:15,120 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-09-08 02:38:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:15,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:15,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:15,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:15,274 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-08 02:38:15,274 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:15,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:15,274 INFO L85 PathProgramCache]: Analyzing trace with hash 103481817, now seen corresponding path program 1 times [2024-09-08 02:38:15,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:15,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570309187] [2024-09-08 02:38:15,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:15,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:15,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:15,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570309187] [2024-09-08 02:38:15,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570309187] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:15,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:15,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 02:38:15,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555017989] [2024-09-08 02:38:15,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:15,341 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 02:38:15,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:15,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 02:38:15,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 02:38:15,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:15,343 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:15,343 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-09-08 02:38:15,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:15,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:15,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:15,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:15,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:15,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,441 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-08 02:38:15,441 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:15,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:15,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1922231654, now seen corresponding path program 2 times [2024-09-08 02:38:15,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:15,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891705626] [2024-09-08 02:38:15,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:15,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:15,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:15,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891705626] [2024-09-08 02:38:15,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891705626] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:15,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:15,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 02:38:15,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112938512] [2024-09-08 02:38:15,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:15,579 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 02:38:15,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:15,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 02:38:15,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-08 02:38:15,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:15,580 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:15,581 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-09-08 02:38:15,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:15,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:15,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:15,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:15,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:15,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:15,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:15,939 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-08 02:38:15,940 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:15,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:15,940 INFO L85 PathProgramCache]: Analyzing trace with hash -423690078, now seen corresponding path program 1 times [2024-09-08 02:38:15,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:15,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475507475] [2024-09-08 02:38:15,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:15,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:16,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:16,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475507475] [2024-09-08 02:38:16,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475507475] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:16,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:16,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 02:38:16,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311646746] [2024-09-08 02:38:16,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:16,028 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 02:38:16,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:16,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 02:38:16,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-08 02:38:16,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:16,029 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:16,029 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-09-08 02:38:16,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:16,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:16,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:16,139 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-08 02:38:16,139 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:38:16,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:16,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1400025638, now seen corresponding path program 3 times [2024-09-08 02:38:16,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:16,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82681528] [2024-09-08 02:38:16,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:16,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:16,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:16,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:16,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82681528] [2024-09-08 02:38:16,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82681528] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:16,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:16,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 02:38:16,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805659694] [2024-09-08 02:38:16,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:16,268 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 02:38:16,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:16,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 02:38:16,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-08 02:38:16,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:16,269 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:16,269 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-09-08 02:38:16,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:16,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:16,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:16,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:16,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:16,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:16,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:16,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:18,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:18,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:18,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:18,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:18,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:18,391 INFO L785 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-09-08 02:38:18,391 INFO L785 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-09-08 02:38:18,391 INFO L785 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 3 remaining) [2024-09-08 02:38:18,391 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-08 02:38:18,393 INFO L408 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2024-09-08 02:38:18,393 INFO L312 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork1 was SAFE,SAFE,SAFE (2/3) [2024-09-08 02:38:18,395 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:38:18,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 02:38:18,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:38:18,398 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 02:38:18,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-09-08 02:38:18,402 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 02:38:18,403 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 02:38:18,403 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@355f6a0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:38:18,403 INFO L337 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-09-08 02:38:18,455 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 02:38:18,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:18,456 INFO L85 PathProgramCache]: Analyzing trace with hash -454447375, now seen corresponding path program 1 times [2024-09-08 02:38:18,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:18,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497001647] [2024-09-08 02:38:18,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:18,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:18,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:18,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:18,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497001647] [2024-09-08 02:38:18,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497001647] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:18,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:18,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 02:38:18,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228652932] [2024-09-08 02:38:18,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:18,476 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 02:38:18,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:18,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 02:38:18,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 02:38:18,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:18,477 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:18,477 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:38:18,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:18,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,510 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-08 02:38:18,511 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 02:38:18,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:18,511 INFO L85 PathProgramCache]: Analyzing trace with hash -290452644, now seen corresponding path program 1 times [2024-09-08 02:38:18,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:18,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411945055] [2024-09-08 02:38:18,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:18,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:18,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:18,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:18,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411945055] [2024-09-08 02:38:18,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411945055] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:18,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:18,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 02:38:18,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591057681] [2024-09-08 02:38:18,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:18,542 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 02:38:18,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:18,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 02:38:18,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 02:38:18,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:18,543 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:18,543 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) [2024-09-08 02:38:18,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:18,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,604 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-09-08 02:38:18,604 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 02:38:18,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:18,605 INFO L85 PathProgramCache]: Analyzing trace with hash 683211561, now seen corresponding path program 1 times [2024-09-08 02:38:18,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:18,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773960120] [2024-09-08 02:38:18,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:18,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:18,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:18,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:18,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773960120] [2024-09-08 02:38:18,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773960120] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:18,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:18,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 02:38:18,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209906746] [2024-09-08 02:38:18,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:18,633 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 02:38:18,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:18,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 02:38:18,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 02:38:18,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:18,634 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:18,634 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2024-09-08 02:38:18,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:18,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,671 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-09-08 02:38:18,672 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 02:38:18,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:18,673 INFO L85 PathProgramCache]: Analyzing trace with hash 396175890, now seen corresponding path program 1 times [2024-09-08 02:38:18,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:18,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151406054] [2024-09-08 02:38:18,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:18,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:18,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:18,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151406054] [2024-09-08 02:38:18,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151406054] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:18,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:18,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 02:38:18,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637124573] [2024-09-08 02:38:18,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:18,764 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 02:38:18,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:18,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 02:38:18,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 02:38:18,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:18,765 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:18,765 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 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) [2024-09-08 02:38:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:18,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:18,919 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-09-08 02:38:18,920 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 02:38:18,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:18,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1398298426, now seen corresponding path program 1 times [2024-09-08 02:38:18,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:18,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948316567] [2024-09-08 02:38:18,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:18,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:18,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:18,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948316567] [2024-09-08 02:38:18,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948316567] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:18,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:18,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 02:38:18,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426289074] [2024-09-08 02:38:18,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:18,973 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 02:38:18,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:18,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 02:38:18,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-08 02:38:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:18,974 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:18,974 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-09-08 02:38:18,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:18,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:18,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:19,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,036 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-09-08 02:38:19,036 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 02:38:19,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:19,037 INFO L85 PathProgramCache]: Analyzing trace with hash 179908059, now seen corresponding path program 1 times [2024-09-08 02:38:19,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:19,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316966251] [2024-09-08 02:38:19,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:19,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:19,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:19,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:19,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316966251] [2024-09-08 02:38:19,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316966251] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:19,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:19,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 02:38:19,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347067098] [2024-09-08 02:38:19,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:19,123 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 02:38:19,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:19,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 02:38:19,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-08 02:38:19,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:19,123 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:19,124 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-09-08 02:38:19,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:19,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:19,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:19,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,217 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-09-08 02:38:19,217 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 02:38:19,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:19,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1297246816, now seen corresponding path program 1 times [2024-09-08 02:38:19,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:19,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337460352] [2024-09-08 02:38:19,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:19,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:19,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:19,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:19,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337460352] [2024-09-08 02:38:19,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337460352] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:19,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:19,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 02:38:19,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849043936] [2024-09-08 02:38:19,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:19,294 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 02:38:19,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:19,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 02:38:19,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-08 02:38:19,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:19,295 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:19,295 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-09-08 02:38:19,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:19,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:19,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,437 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-09-08 02:38:19,438 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 02:38:19,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:19,438 INFO L85 PathProgramCache]: Analyzing trace with hash 2048420768, now seen corresponding path program 1 times [2024-09-08 02:38:19,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:19,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221097060] [2024-09-08 02:38:19,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:19,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:19,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:19,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221097060] [2024-09-08 02:38:19,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221097060] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:19,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:19,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 02:38:19,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739153088] [2024-09-08 02:38:19,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:19,519 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 02:38:19,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:19,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 02:38:19,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-08 02:38:19,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:19,520 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:19,520 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 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) [2024-09-08 02:38:19,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:19,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:19,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:19,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:19,855 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-09-08 02:38:19,856 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 02:38:19,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:19,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1802805441, now seen corresponding path program 1 times [2024-09-08 02:38:19,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:19,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199564314] [2024-09-08 02:38:19,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:19,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:19,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:19,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:19,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199564314] [2024-09-08 02:38:19,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199564314] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:19,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:19,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 02:38:20,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851187266] [2024-09-08 02:38:20,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:20,000 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 02:38:20,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:20,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 02:38:20,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-09-08 02:38:20,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:20,001 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:20,001 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-09-08 02:38:20,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:20,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:20,236 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-09-08 02:38:20,236 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 02:38:20,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:20,237 INFO L85 PathProgramCache]: Analyzing trace with hash 241404909, now seen corresponding path program 1 times [2024-09-08 02:38:20,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:20,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823695799] [2024-09-08 02:38:20,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:20,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:20,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:20,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823695799] [2024-09-08 02:38:20,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823695799] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:20,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:20,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 02:38:20,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286859315] [2024-09-08 02:38:20,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:20,315 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 02:38:20,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:20,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 02:38:20,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-08 02:38:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:20,316 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:20,316 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 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) [2024-09-08 02:38:20,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:20,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:20,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:20,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,460 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-09-08 02:38:20,460 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 02:38:20,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:20,460 INFO L85 PathProgramCache]: Analyzing trace with hash -2056149, now seen corresponding path program 2 times [2024-09-08 02:38:20,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:20,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344271615] [2024-09-08 02:38:20,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:20,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:20,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:20,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:20,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344271615] [2024-09-08 02:38:20,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344271615] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:20,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:20,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 02:38:20,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869446211] [2024-09-08 02:38:20,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:20,653 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 02:38:20,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:20,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 02:38:20,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-08 02:38:20,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:20,654 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:20,654 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-09-08 02:38:20,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:20,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:20,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:20,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:20,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:21,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:21,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:21,302 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-09-08 02:38:21,302 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 02:38:21,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:21,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1112816277, now seen corresponding path program 1 times [2024-09-08 02:38:21,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:21,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894596146] [2024-09-08 02:38:21,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:21,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:21,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:21,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:21,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894596146] [2024-09-08 02:38:21,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894596146] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:21,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:21,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 02:38:21,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564870590] [2024-09-08 02:38:21,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:21,439 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 02:38:21,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:21,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 02:38:21,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-08 02:38:21,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:21,440 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:21,440 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-09-08 02:38:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:21,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:21,677 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-09-08 02:38:21,677 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 02:38:21,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:38:21,677 INFO L85 PathProgramCache]: Analyzing trace with hash 569034785, now seen corresponding path program 1 times [2024-09-08 02:38:21,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:38:21,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94146700] [2024-09-08 02:38:21,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:38:21,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:38:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:38:21,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:38:21,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:38:21,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94146700] [2024-09-08 02:38:21,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94146700] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:38:21,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:38:21,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 02:38:21,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942307723] [2024-09-08 02:38:21,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:38:21,741 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 02:38:21,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:38:21,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 02:38:21,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 02:38:21,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:21,742 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:38:21,742 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-09-08 02:38:21,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:21,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:21,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:21,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:21,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:21,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:21,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:21,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:21,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:38:22,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:22,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:22,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:38:22,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:22,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:22,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:22,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:22,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:22,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:38:22,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:38:22,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:22,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:22,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:38:22,327 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-09-08 02:38:22,327 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-09-08 02:38:22,327 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-09-08 02:38:22,327 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-09-08 02:38:22,327 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 8 remaining) [2024-09-08 02:38:22,328 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 8 remaining) [2024-09-08 02:38:22,328 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-09-08 02:38:22,328 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-09-08 02:38:22,328 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-09-08 02:38:22,330 INFO L408 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-08 02:38:22,330 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (3/3) [2024-09-08 02:38:22,331 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 02:38:22,331 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 02:38:22,334 INFO L469 ceAbstractionStarter]: Automizer considered 12 witness invariants [2024-09-08 02:38:22,334 INFO L470 ceAbstractionStarter]: WitnessConsidered=12 [2024-09-08 02:38:22,335 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 02:38:22 BasicIcfg [2024-09-08 02:38:22,335 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 02:38:22,336 INFO L158 Benchmark]: Toolchain (without parser) took 15032.04ms. Allocated memory was 186.6MB in the beginning and 606.1MB in the end (delta: 419.4MB). Free memory was 112.8MB in the beginning and 508.6MB in the end (delta: -395.8MB). Peak memory consumption was 226.6MB. Max. memory is 16.1GB. [2024-09-08 02:38:22,336 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 02:38:22,336 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 186.6MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 02:38:22,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.68ms. Allocated memory is still 186.6MB. Free memory was 112.5MB in the beginning and 146.5MB in the end (delta: -34.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-08 02:38:22,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.82ms. Allocated memory is still 186.6MB. Free memory was 146.5MB in the beginning and 144.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 02:38:22,337 INFO L158 Benchmark]: Boogie Preprocessor took 46.32ms. Allocated memory is still 186.6MB. Free memory was 144.6MB in the beginning and 142.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 02:38:22,338 INFO L158 Benchmark]: RCFGBuilder took 814.54ms. Allocated memory is still 186.6MB. Free memory was 142.5MB in the beginning and 91.5MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-08 02:38:22,338 INFO L158 Benchmark]: TraceAbstraction took 13399.26ms. Allocated memory was 186.6MB in the beginning and 606.1MB in the end (delta: 419.4MB). Free memory was 90.8MB in the beginning and 508.6MB in the end (delta: -417.8MB). Peak memory consumption was 203.7MB. Max. memory is 16.1GB. [2024-09-08 02:38:22,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 186.6MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 698.68ms. Allocated memory is still 186.6MB. Free memory was 112.5MB in the beginning and 146.5MB in the end (delta: -34.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.82ms. Allocated memory is still 186.6MB. Free memory was 146.5MB in the beginning and 144.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.32ms. Allocated memory is still 186.6MB. Free memory was 144.6MB in the beginning and 142.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 814.54ms. Allocated memory is still 186.6MB. Free memory was 142.5MB in the beginning and 91.5MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 13399.26ms. Allocated memory was 186.6MB in the beginning and 606.1MB in the end (delta: 419.4MB). Free memory was 90.8MB in the beginning and 508.6MB in the end (delta: -417.8MB). Peak memory consumption was 203.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30029, independent: 26971, independent conditional: 23079, independent unconditional: 3892, dependent: 3058, dependent conditional: 2842, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28627, independent: 26971, independent conditional: 23079, independent unconditional: 3892, dependent: 1656, dependent conditional: 1440, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28627, independent: 26971, independent conditional: 23079, independent unconditional: 3892, dependent: 1656, dependent conditional: 1440, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34823, independent: 26971, independent conditional: 23079, independent unconditional: 3892, dependent: 7852, dependent conditional: 7636, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34823, independent: 26971, independent conditional: 293, independent unconditional: 26678, dependent: 7852, dependent conditional: 1289, dependent unconditional: 6563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34823, independent: 26971, independent conditional: 293, independent unconditional: 26678, dependent: 7852, dependent conditional: 1289, dependent unconditional: 6563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4351, independent: 3948, independent conditional: 56, independent unconditional: 3892, dependent: 403, dependent conditional: 168, dependent unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4351, independent: 3739, independent conditional: 0, independent unconditional: 3739, dependent: 612, dependent conditional: 0, dependent unconditional: 612, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 612, independent: 209, independent conditional: 56, independent unconditional: 153, dependent: 403, dependent conditional: 168, dependent unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, independent: 209, independent conditional: 56, independent unconditional: 153, dependent: 403, dependent conditional: 168, dependent unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1125, independent: 382, independent conditional: 89, independent unconditional: 293, dependent: 743, dependent conditional: 308, dependent unconditional: 435, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34823, independent: 23023, independent conditional: 237, independent unconditional: 22786, dependent: 7449, dependent conditional: 1121, dependent unconditional: 6328, unknown: 4351, unknown conditional: 224, unknown unconditional: 4127] , Statistics on independence cache: Total cache size (in pairs): 4351, Positive cache size: 3948, Positive conditional cache size: 56, Positive unconditional cache size: 3892, Negative cache size: 403, Negative conditional cache size: 168, Negative unconditional cache size: 235, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 29133, Maximal queried relation: 8, Independence queries for same thread: 1402, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 3621, Number of trivial persistent sets: 2514, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4108, independent: 3892, independent conditional: 0, independent unconditional: 3892, dependent: 216, dependent conditional: 0, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30029, independent: 26971, independent conditional: 23079, independent unconditional: 3892, dependent: 3058, dependent conditional: 2842, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28627, independent: 26971, independent conditional: 23079, independent unconditional: 3892, dependent: 1656, dependent conditional: 1440, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28627, independent: 26971, independent conditional: 23079, independent unconditional: 3892, dependent: 1656, dependent conditional: 1440, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34823, independent: 26971, independent conditional: 23079, independent unconditional: 3892, dependent: 7852, dependent conditional: 7636, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34823, independent: 26971, independent conditional: 293, independent unconditional: 26678, dependent: 7852, dependent conditional: 1289, dependent unconditional: 6563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34823, independent: 26971, independent conditional: 293, independent unconditional: 26678, dependent: 7852, dependent conditional: 1289, dependent unconditional: 6563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4351, independent: 3948, independent conditional: 56, independent unconditional: 3892, dependent: 403, dependent conditional: 168, dependent unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4351, independent: 3739, independent conditional: 0, independent unconditional: 3739, dependent: 612, dependent conditional: 0, dependent unconditional: 612, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 612, independent: 209, independent conditional: 56, independent unconditional: 153, dependent: 403, dependent conditional: 168, dependent unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, independent: 209, independent conditional: 56, independent unconditional: 153, dependent: 403, dependent conditional: 168, dependent unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1125, independent: 382, independent conditional: 89, independent unconditional: 293, dependent: 743, dependent conditional: 308, dependent unconditional: 435, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34823, independent: 23023, independent conditional: 237, independent unconditional: 22786, dependent: 7449, dependent conditional: 1121, dependent unconditional: 6328, unknown: 4351, unknown conditional: 224, unknown unconditional: 4127] , Statistics on independence cache: Total cache size (in pairs): 4351, Positive cache size: 3948, Positive conditional cache size: 56, Positive unconditional cache size: 3892, Negative cache size: 403, Negative conditional cache size: 168, Negative unconditional cache size: 235, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 29133, Maximal queried relation: 8, Independence queries for same thread: 1402 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25220, independent: 23026, independent conditional: 19182, independent unconditional: 3844, dependent: 2194, dependent conditional: 1979, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24155, independent: 23026, independent conditional: 19182, independent unconditional: 3844, dependent: 1129, dependent conditional: 914, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24155, independent: 23026, independent conditional: 19182, independent unconditional: 3844, dependent: 1129, dependent conditional: 914, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28575, independent: 23026, independent conditional: 19182, independent unconditional: 3844, dependent: 5549, dependent conditional: 5334, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 28575, independent: 23026, independent conditional: 186, independent unconditional: 22840, dependent: 5549, dependent conditional: 933, dependent unconditional: 4616, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28575, independent: 23026, independent conditional: 186, independent unconditional: 22840, dependent: 5549, dependent conditional: 933, dependent unconditional: 4616, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4271, independent: 3893, independent conditional: 49, independent unconditional: 3844, dependent: 378, dependent conditional: 145, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4271, independent: 3695, independent conditional: 0, independent unconditional: 3695, dependent: 576, dependent conditional: 0, dependent unconditional: 576, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 576, independent: 198, independent conditional: 49, independent unconditional: 149, dependent: 378, dependent conditional: 145, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 576, independent: 198, independent conditional: 49, independent unconditional: 149, dependent: 378, dependent conditional: 145, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 825, independent: 306, independent conditional: 70, independent unconditional: 237, dependent: 519, dependent conditional: 198, dependent unconditional: 321, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 28575, independent: 19133, independent conditional: 137, independent unconditional: 18996, dependent: 5171, dependent conditional: 788, dependent unconditional: 4383, unknown: 4271, unknown conditional: 194, unknown unconditional: 4077] , Statistics on independence cache: Total cache size (in pairs): 4271, Positive cache size: 3893, Positive conditional cache size: 49, Positive unconditional cache size: 3844, Negative cache size: 378, Negative conditional cache size: 145, Negative unconditional cache size: 233, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 23397, Maximal queried relation: 8, Independence queries for same thread: 1065, Persistent sets #1 benchmarks: Persistent set computation time: 0.7s, Number of persistent set computation: 4012, Number of trivial persistent sets: 3056, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4059, independent: 3844, independent conditional: 0, independent unconditional: 3844, dependent: 215, dependent conditional: 0, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25220, independent: 23026, independent conditional: 19182, independent unconditional: 3844, dependent: 2194, dependent conditional: 1979, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24155, independent: 23026, independent conditional: 19182, independent unconditional: 3844, dependent: 1129, dependent conditional: 914, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24155, independent: 23026, independent conditional: 19182, independent unconditional: 3844, dependent: 1129, dependent conditional: 914, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28575, independent: 23026, independent conditional: 19182, independent unconditional: 3844, dependent: 5549, dependent conditional: 5334, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 28575, independent: 23026, independent conditional: 186, independent unconditional: 22840, dependent: 5549, dependent conditional: 933, dependent unconditional: 4616, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28575, independent: 23026, independent conditional: 186, independent unconditional: 22840, dependent: 5549, dependent conditional: 933, dependent unconditional: 4616, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4271, independent: 3893, independent conditional: 49, independent unconditional: 3844, dependent: 378, dependent conditional: 145, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4271, independent: 3695, independent conditional: 0, independent unconditional: 3695, dependent: 576, dependent conditional: 0, dependent unconditional: 576, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 576, independent: 198, independent conditional: 49, independent unconditional: 149, dependent: 378, dependent conditional: 145, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 576, independent: 198, independent conditional: 49, independent unconditional: 149, dependent: 378, dependent conditional: 145, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 825, independent: 306, independent conditional: 70, independent unconditional: 237, dependent: 519, dependent conditional: 198, dependent unconditional: 321, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 28575, independent: 19133, independent conditional: 137, independent unconditional: 18996, dependent: 5171, dependent conditional: 788, dependent unconditional: 4383, unknown: 4271, unknown conditional: 194, unknown unconditional: 4077] , Statistics on independence cache: Total cache size (in pairs): 4271, Positive cache size: 3893, Positive conditional cache size: 49, Positive unconditional cache size: 3844, Negative cache size: 378, Negative conditional cache size: 145, Negative unconditional cache size: 233, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 23397, Maximal queried relation: 8, Independence queries for same thread: 1065 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11923, independent: 10870, independent conditional: 7173, independent unconditional: 3697, dependent: 1053, dependent conditional: 888, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11120, independent: 10870, independent conditional: 7173, independent unconditional: 3697, dependent: 250, dependent conditional: 85, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11120, independent: 10870, independent conditional: 7173, independent unconditional: 3697, dependent: 250, dependent conditional: 85, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12173, independent: 10870, independent conditional: 7173, independent unconditional: 3697, dependent: 1303, dependent conditional: 1138, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12173, independent: 10870, independent conditional: 188, independent unconditional: 10682, dependent: 1303, dependent conditional: 238, dependent unconditional: 1065, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12173, independent: 10870, independent conditional: 188, independent unconditional: 10682, dependent: 1303, dependent conditional: 238, dependent unconditional: 1065, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3970, independent: 3742, independent conditional: 45, independent unconditional: 3697, dependent: 228, dependent conditional: 62, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3970, independent: 3583, independent conditional: 0, independent unconditional: 3583, dependent: 387, dependent conditional: 0, dependent unconditional: 387, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 387, independent: 159, independent conditional: 45, independent unconditional: 114, dependent: 228, dependent conditional: 62, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 387, independent: 159, independent conditional: 45, independent unconditional: 114, dependent: 228, dependent conditional: 62, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 547, independent: 225, independent conditional: 66, independent unconditional: 159, dependent: 322, dependent conditional: 97, dependent unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12173, independent: 7128, independent conditional: 143, independent unconditional: 6985, dependent: 1075, dependent conditional: 176, dependent unconditional: 899, unknown: 3970, unknown conditional: 107, unknown unconditional: 3863] , Statistics on independence cache: Total cache size (in pairs): 3970, Positive cache size: 3742, Positive conditional cache size: 45, Positive unconditional cache size: 3697, Negative cache size: 228, Negative conditional cache size: 62, Negative unconditional cache size: 166, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7885, Maximal queried relation: 13, Independence queries for same thread: 803, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 2346, Number of trivial persistent sets: 2346, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3862, independent: 3697, independent conditional: 0, independent unconditional: 3697, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11923, independent: 10870, independent conditional: 7173, independent unconditional: 3697, dependent: 1053, dependent conditional: 888, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11120, independent: 10870, independent conditional: 7173, independent unconditional: 3697, dependent: 250, dependent conditional: 85, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11120, independent: 10870, independent conditional: 7173, independent unconditional: 3697, dependent: 250, dependent conditional: 85, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12173, independent: 10870, independent conditional: 7173, independent unconditional: 3697, dependent: 1303, dependent conditional: 1138, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12173, independent: 10870, independent conditional: 188, independent unconditional: 10682, dependent: 1303, dependent conditional: 238, dependent unconditional: 1065, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12173, independent: 10870, independent conditional: 188, independent unconditional: 10682, dependent: 1303, dependent conditional: 238, dependent unconditional: 1065, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3970, independent: 3742, independent conditional: 45, independent unconditional: 3697, dependent: 228, dependent conditional: 62, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3970, independent: 3583, independent conditional: 0, independent unconditional: 3583, dependent: 387, dependent conditional: 0, dependent unconditional: 387, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 387, independent: 159, independent conditional: 45, independent unconditional: 114, dependent: 228, dependent conditional: 62, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 387, independent: 159, independent conditional: 45, independent unconditional: 114, dependent: 228, dependent conditional: 62, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 547, independent: 225, independent conditional: 66, independent unconditional: 159, dependent: 322, dependent conditional: 97, dependent unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12173, independent: 7128, independent conditional: 143, independent unconditional: 6985, dependent: 1075, dependent conditional: 176, dependent unconditional: 899, unknown: 3970, unknown conditional: 107, unknown unconditional: 3863] , Statistics on independence cache: Total cache size (in pairs): 3970, Positive cache size: 3742, Positive conditional cache size: 45, Positive unconditional cache size: 3697, Negative cache size: 228, Negative conditional cache size: 62, Negative unconditional cache size: 166, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7885, Maximal queried relation: 13, Independence queries for same thread: 803 - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 699]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 702]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 691]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 713]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 714]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 717]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 718]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 721]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 725]: 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: t2_funThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 139 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.9s, 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: 31, 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, 1.0s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 805 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 139 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 3.1s, 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: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 850 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 139 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.8s, 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: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 485 NumberOfCodeBlocks, 485 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 472 ConstructedInterpolants, 0 QuantifiedInterpolants, 1985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-08 02:38:22,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-09-08 02:38:22,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-09-08 02:38:22,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-08 02:38:22,973 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