./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_04-priv_multi_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_04-priv_multi_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-17 11:05:10,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-17 11:05:10,701 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-17 11:05:10,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-17 11:05:10,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-17 11:05:10,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-17 11:05:10,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-17 11:05:10,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-17 11:05:10,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-17 11:05:10,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-17 11:05:10,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-17 11:05:10,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-17 11:05:10,728 INFO L153 SettingsManager]: * Use SBE=true [2024-07-17 11:05:10,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-17 11:05:10,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-17 11:05:10,729 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-17 11:05:10,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-17 11:05:10,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-17 11:05:10,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-17 11:05:10,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-17 11:05:10,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-17 11:05:10,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-17 11:05:10,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-17 11:05:10,731 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-17 11:05:10,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-17 11:05:10,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-17 11:05:10,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-17 11:05:10,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-17 11:05:10,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-17 11:05:10,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-17 11:05:10,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 11:05:10,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-17 11:05:10,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-17 11:05:10,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-17 11:05:10,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-17 11:05:10,734 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-17 11:05:10,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-17 11:05:10,735 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-17 11:05:10,735 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-17 11:05:10,735 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-17 11:05:10,735 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-17 11:05:10,736 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-17 11:05:10,736 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-07-17 11:05:10,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-17 11:05:10,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-17 11:05:10,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-17 11:05:10,974 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-17 11:05:10,976 INFO L274 PluginConnector]: CDTParser initialized [2024-07-17 11:05:10,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-07-17 11:05:12,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-17 11:05:12,223 INFO L384 CDTParser]: Found 1 translation units. [2024-07-17 11:05:12,223 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-07-17 11:05:12,244 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c43d4c089/338dffd45486475a9d94954108c7d826/FLAGbb9a3c558 [2024-07-17 11:05:12,261 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c43d4c089/338dffd45486475a9d94954108c7d826 [2024-07-17 11:05:12,265 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-17 11:05:12,265 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-17 11:05:12,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/protection/13-privatized_04-priv_multi_true.yml/witness.yml [2024-07-17 11:05:12,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-17 11:05:12,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-17 11:05:12,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-17 11:05:12,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-17 11:05:12,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-17 11:05:12,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:05:12" (1/2) ... [2024-07-17 11:05:12,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512616a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:05:12, skipping insertion in model container [2024-07-17 11:05:12,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:05:12" (1/2) ... [2024-07-17 11:05:12,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c1dee6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:05:12, skipping insertion in model container [2024-07-17 11:05:12,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 11:05:12" (2/2) ... [2024-07-17 11:05:12,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512616a3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:05:12, skipping insertion in model container [2024-07-17 11:05:12,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 11:05:12" (2/2) ... [2024-07-17 11:05:12,392 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-17 11:05:12,443 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-17 11:05:12,444 INFO L97 edCorrectnessWitness]: Location invariant before [L1204-L1204] (((! multithreaded || (B == 5 || B == 6)) && (! multithreaded || (mutex_B_locked || (mutex_A_locked || B == 5)))) && (! multithreaded || (mutex_A_locked || A == 5))) && (! multithreaded || (1 <= A && A <= 100)) [2024-07-17 11:05:12,444 INFO L97 edCorrectnessWitness]: Location invariant before [L1205-L1212] (((! multithreaded || (B == 5 || B == 6)) && (! multithreaded || (mutex_B_locked || (mutex_A_locked || B == 5)))) && (! multithreaded || (mutex_A_locked || A == 5))) && (! multithreaded || (1 <= A && A <= 100)) [2024-07-17 11:05:12,445 INFO L97 edCorrectnessWitness]: Location invariant before [L1203-L1203] (((! multithreaded || (B == 5 || B == 6)) && (! multithreaded || (mutex_B_locked || (mutex_A_locked || B == 5)))) && (! multithreaded || (mutex_A_locked || A == 5))) && (! multithreaded || (1 <= A && A <= 100)) [2024-07-17 11:05:12,445 INFO L103 edCorrectnessWitness]: ghost_variable mutex_B_locked = 0 [2024-07-17 11:05:12,445 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-17 11:05:12,445 INFO L103 edCorrectnessWitness]: ghost_variable mutex_A_locked = 0 [2024-07-17 11:05:12,446 INFO L106 edCorrectnessWitness]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-07-17 11:05:12,446 INFO L106 edCorrectnessWitness]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-07-17 11:05:12,446 INFO L106 edCorrectnessWitness]: ghost_update [L1202-L1202] multithreaded = 1; [2024-07-17 11:05:12,446 INFO L106 edCorrectnessWitness]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-07-17 11:05:12,446 INFO L106 edCorrectnessWitness]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-07-17 11:05:12,446 INFO L106 edCorrectnessWitness]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-07-17 11:05:12,446 INFO L106 edCorrectnessWitness]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-07-17 11:05:12,447 INFO L106 edCorrectnessWitness]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-07-17 11:05:12,447 INFO L106 edCorrectnessWitness]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-07-17 11:05:12,447 INFO L106 edCorrectnessWitness]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-07-17 11:05:12,447 INFO L106 edCorrectnessWitness]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-07-17 11:05:12,447 INFO L106 edCorrectnessWitness]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-07-17 11:05:12,447 INFO L106 edCorrectnessWitness]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-07-17 11:05:12,488 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-17 11:05:12,626 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2024-07-17 11:05:12,800 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 11:05:12,810 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-17 11:05:12,841 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-17 11:05:12,926 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 11:05:12,967 INFO L206 MainTranslator]: Completed translation [2024-07-17 11:05:12,967 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:05:12 WrapperNode [2024-07-17 11:05:12,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-17 11:05:12,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-17 11:05:12,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-17 11:05:12,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-17 11:05:12,974 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 17.07 11:05:12" (1/1) ... [2024-07-17 11:05:12,985 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 17.07 11:05:12" (1/1) ... [2024-07-17 11:05:13,005 INFO L138 Inliner]: procedures = 271, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2024-07-17 11:05:13,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-17 11:05:13,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-17 11:05:13,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-17 11:05:13,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-17 11:05:13,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:05:12" (1/1) ... [2024-07-17 11:05:13,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:05:12" (1/1) ... [2024-07-17 11:05:13,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:05:12" (1/1) ... [2024-07-17 11:05:13,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:05:12" (1/1) ... [2024-07-17 11:05:13,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:05:12" (1/1) ... [2024-07-17 11:05:13,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:05:12" (1/1) ... [2024-07-17 11:05:13,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:05:12" (1/1) ... [2024-07-17 11:05:13,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:05:12" (1/1) ... [2024-07-17 11:05:13,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-17 11:05:13,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-17 11:05:13,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-17 11:05:13,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-17 11:05:13,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:05:12" (1/1) ... [2024-07-17 11:05:13,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 11:05:13,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 11:05:13,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-17 11:05:13,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-17 11:05:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-07-17 11:05:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-07-17 11:05:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-17 11:05:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-17 11:05:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-17 11:05:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-07-17 11:05:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-07-17 11:05:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-07-17 11:05:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-07-17 11:05:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-17 11:05:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-17 11:05:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-17 11:05:13,103 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-17 11:05:13,298 INFO L244 CfgBuilder]: Building ICFG [2024-07-17 11:05:13,299 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-17 11:05:13,528 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-17 11:05:13,528 INFO L293 CfgBuilder]: Performing block encoding [2024-07-17 11:05:13,652 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-17 11:05:13,653 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-07-17 11:05:13,653 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:05:13 BoogieIcfgContainer [2024-07-17 11:05:13,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-17 11:05:13,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-17 11:05:13,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-17 11:05:13,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-17 11:05:13,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:05:12" (1/4) ... [2024-07-17 11:05:13,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b837b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:05:13, skipping insertion in model container [2024-07-17 11:05:13,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 11:05:12" (2/4) ... [2024-07-17 11:05:13,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b837b27 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 11:05:13, skipping insertion in model container [2024-07-17 11:05:13,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:05:12" (3/4) ... [2024-07-17 11:05:13,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b837b27 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 11:05:13, skipping insertion in model container [2024-07-17 11:05:13,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:05:13" (4/4) ... [2024-07-17 11:05:13,661 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-07-17 11:05:13,674 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-17 11:05:13,674 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-07-17 11:05:13,675 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-17 11:05:13,708 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-07-17 11:05:13,740 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:05:13,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 11:05:13,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 11:05:13,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-17 11:05:13,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-17 11:05:13,777 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 11:05:13,787 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == disposeThread1of1ForFork1 ======== [2024-07-17 11:05:13,810 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25036030, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:05:13,824 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-07-17 11:05:14,090 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:05:14,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:14,094 INFO L85 PathProgramCache]: Analyzing trace with hash -932252739, now seen corresponding path program 1 times [2024-07-17 11:05:14,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:14,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933121913] [2024-07-17 11:05:14,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:14,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-07-17 11:05:14,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:14,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933121913] [2024-07-17 11:05:14,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933121913] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:14,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:14,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-17 11:05:14,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514973875] [2024-07-17 11:05:14,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:14,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:05:14,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:14,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:05:14,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:05:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:14,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:14,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:14,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:14,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:14,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-17 11:05:14,852 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:05:14,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:14,854 INFO L85 PathProgramCache]: Analyzing trace with hash 781245923, now seen corresponding path program 1 times [2024-07-17 11:05:14,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:14,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924135557] [2024-07-17 11:05:14,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:14,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:15,014 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-07-17 11:05:15,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:15,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924135557] [2024-07-17 11:05:15,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924135557] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:15,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:15,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:05:15,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509599042] [2024-07-17 11:05:15,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:15,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:05:15,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:15,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:05:15,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:05:15,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:15,018 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:15,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:15,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:15,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-17 11:05:15,094 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:05:15,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:15,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1470934989, now seen corresponding path program 1 times [2024-07-17 11:05:15,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:15,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207570723] [2024-07-17 11:05:15,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:15,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-07-17 11:05:15,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:15,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207570723] [2024-07-17 11:05:15,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207570723] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:15,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:15,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:05:15,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514703494] [2024-07-17 11:05:15,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:15,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:05:15,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:15,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:05:15,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:05:15,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:15,289 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:15,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:15,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:15,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-17 11:05:15,403 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:05:15,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:15,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1328368113, now seen corresponding path program 2 times [2024-07-17 11:05:15,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:15,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172488583] [2024-07-17 11:05:15,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:15,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-07-17 11:05:15,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:15,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172488583] [2024-07-17 11:05:15,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172488583] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:15,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:15,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:05:15,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107694237] [2024-07-17 11:05:15,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:15,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:05:15,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:15,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:05:15,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:05:15,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:15,523 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:15,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:15,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:15,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-17 11:05:15,582 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:05:15,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:15,583 INFO L85 PathProgramCache]: Analyzing trace with hash -906965432, now seen corresponding path program 3 times [2024-07-17 11:05:15,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:15,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411450714] [2024-07-17 11:05:15,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:15,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:15,680 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-07-17 11:05:15,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:15,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411450714] [2024-07-17 11:05:15,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411450714] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:15,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:15,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:05:15,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823269513] [2024-07-17 11:05:15,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:15,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:05:15,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:15,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:05:15,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:05:15,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:15,683 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:15,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:15,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:15,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-17 11:05:15,763 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:05:15,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:15,763 INFO L85 PathProgramCache]: Analyzing trace with hash -512939403, now seen corresponding path program 2 times [2024-07-17 11:05:15,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:15,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797237577] [2024-07-17 11:05:15,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:15,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-07-17 11:05:15,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:15,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797237577] [2024-07-17 11:05:15,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797237577] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:15,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:15,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:05:15,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782458431] [2024-07-17 11:05:15,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:15,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:05:15,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:15,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:05:15,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:05:15,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:15,880 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:15,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:15,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:15,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-07-17 11:05:16,107 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:05:16,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:16,108 INFO L85 PathProgramCache]: Analyzing trace with hash 475396582, now seen corresponding path program 1 times [2024-07-17 11:05:16,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:16,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010285796] [2024-07-17 11:05:16,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:16,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-07-17 11:05:16,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:16,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010285796] [2024-07-17 11:05:16,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010285796] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:16,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:16,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-17 11:05:16,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571992056] [2024-07-17 11:05:16,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:16,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-17 11:05:16,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:16,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-17 11:05:16,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-07-17 11:05:16,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:16,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:16,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:16,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:16,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:16,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-07-17 11:05:16,367 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:05:16,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:16,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1148992182, now seen corresponding path program 1 times [2024-07-17 11:05:16,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:16,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733619537] [2024-07-17 11:05:16,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:16,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-07-17 11:05:16,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:16,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733619537] [2024-07-17 11:05:16,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733619537] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:16,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:16,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-17 11:05:16,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232820988] [2024-07-17 11:05:16,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:16,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-17 11:05:16,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:16,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-17 11:05:16,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-07-17 11:05:16,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:16,569 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:16,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:16,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:16,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:16,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:05:16,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-07-17 11:05:16,689 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:05:16,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:16,690 INFO L85 PathProgramCache]: Analyzing trace with hash 867766259, now seen corresponding path program 2 times [2024-07-17 11:05:16,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:16,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808892166] [2024-07-17 11:05:16,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:16,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:16,897 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-07-17 11:05:16,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:16,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808892166] [2024-07-17 11:05:16,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808892166] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:16,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:16,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-17 11:05:16,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535528089] [2024-07-17 11:05:16,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:16,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-17 11:05:16,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:16,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-17 11:05:16,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-07-17 11:05:16,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:16,900 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:16,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:16,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:16,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:05:16,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:16,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:16,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:16,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:05:16,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:16,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-07-17 11:05:16,964 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:05:16,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:16,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1514640399, now seen corresponding path program 1 times [2024-07-17 11:05:16,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:16,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174230841] [2024-07-17 11:05:16,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:16,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:05:17,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:17,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174230841] [2024-07-17 11:05:17,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174230841] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:17,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:17,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-07-17 11:05:17,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379925143] [2024-07-17 11:05:17,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:17,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-17 11:05:17,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:17,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-17 11:05:17,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-07-17 11:05:17,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:17,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:17,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:05:17,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:17,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:17,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:17,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:05:17,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:17,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-17 11:05:17,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-07-17 11:05:17,436 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:05:17,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:17,436 INFO L85 PathProgramCache]: Analyzing trace with hash 314603093, now seen corresponding path program 1 times [2024-07-17 11:05:17,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:17,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866835978] [2024-07-17 11:05:17,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:17,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-07-17 11:05:17,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:17,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866835978] [2024-07-17 11:05:17,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866835978] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:17,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:17,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-17 11:05:17,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855159308] [2024-07-17 11:05:17,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:17,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-17 11:05:17,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:17,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-17 11:05:17,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-07-17 11:05:17,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:17,863 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:17,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:05:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-17 11:05:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:18,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:18,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:05:18,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:18,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-17 11:05:18,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:18,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-07-17 11:05:18,366 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:05:18,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:18,367 INFO L85 PathProgramCache]: Analyzing trace with hash 222798714, now seen corresponding path program 1 times [2024-07-17 11:05:18,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:18,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100839721] [2024-07-17 11:05:18,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:18,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:18,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1642 backedges. 907 proven. 0 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2024-07-17 11:05:18,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:18,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100839721] [2024-07-17 11:05:18,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100839721] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:18,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:18,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-17 11:05:18,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725065523] [2024-07-17 11:05:18,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:18,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-17 11:05:18,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:18,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-17 11:05:18,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-17 11:05:18,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:18,582 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:18,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:18,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:18,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:05:18,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:18,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-17 11:05:18,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:18,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:18,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:18,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:18,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:05:18,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:18,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-17 11:05:18,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:18,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:18,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-07-17 11:05:18,709 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-17 11:05:18,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:18,709 INFO L85 PathProgramCache]: Analyzing trace with hash -671628132, now seen corresponding path program 2 times [2024-07-17 11:05:18,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:18,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633363042] [2024-07-17 11:05:18,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:18,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:19,209 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-07-17 11:05:19,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:19,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633363042] [2024-07-17 11:05:19,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633363042] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:19,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:19,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-17 11:05:19,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687053968] [2024-07-17 11:05:19,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:19,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-17 11:05:19,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:19,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-17 11:05:19,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-07-17 11:05:19,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:19,211 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:19,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:19,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:19,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:19,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:19,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:19,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:19,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:19,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:19,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:05:19,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:19,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-17 11:05:19,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:19,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:19,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 11:05:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:05:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-17 11:05:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:25,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:25,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location disposeErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-07-17 11:05:25,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-07-17 11:05:25,106 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 1, 1, 1, 1] [2024-07-17 11:05:25,108 INFO L308 ceAbstractionStarter]: Result for error location disposeThread1of1ForFork1 was SAFE (1/2) [2024-07-17 11:05:25,113 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:05:25,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 11:05:25,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 11:05:25,177 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) [2024-07-17 11:05:25,191 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 [2024-07-17 11:05:25,193 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 11:05:25,193 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-17 11:05:25,193 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25036030, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:05:25,193 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-07-17 11:05:25,235 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-07-17 11:05:25,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:25,236 INFO L85 PathProgramCache]: Analyzing trace with hash -627418842, now seen corresponding path program 1 times [2024-07-17 11:05:25,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:25,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744485487] [2024-07-17 11:05:25,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:25,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:05:25,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:25,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744485487] [2024-07-17 11:05:25,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744485487] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:25,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:25,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-17 11:05:25,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356326393] [2024-07-17 11:05:25,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:25,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:05:25,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:25,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:05:25,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:05:25,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:25,283 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:25,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:25,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:25,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-07-17 11:05:25,409 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-07-17 11:05:25,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:25,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2081946676, now seen corresponding path program 1 times [2024-07-17 11:05:25,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:25,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137368321] [2024-07-17 11:05:25,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:25,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:25,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:05:25,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:25,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137368321] [2024-07-17 11:05:25,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137368321] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:25,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:25,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-17 11:05:25,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313972952] [2024-07-17 11:05:25,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:25,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-17 11:05:25,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:25,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-17 11:05:25,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-07-17 11:05:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:25,529 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:25,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:25,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:25,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:05:25,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-07-17 11:05:25,644 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-07-17 11:05:25,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:25,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1090246758, now seen corresponding path program 1 times [2024-07-17 11:05:25,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:25,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733354012] [2024-07-17 11:05:25,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:25,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-17 11:05:25,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:25,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733354012] [2024-07-17 11:05:25,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733354012] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:25,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:25,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:05:25,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781099121] [2024-07-17 11:05:25,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:25,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:05:25,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:25,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:05:25,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:05:25,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:25,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:25,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:25,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:05:25,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:25,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-07-17 11:05:25,752 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-07-17 11:05:25,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:25,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1427440388, now seen corresponding path program 1 times [2024-07-17 11:05:25,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:25,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475210953] [2024-07-17 11:05:25,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:25,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-07-17 11:05:25,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:25,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475210953] [2024-07-17 11:05:25,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475210953] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:25,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:25,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:05:25,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715034263] [2024-07-17 11:05:25,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:25,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:05:25,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:25,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:05:25,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:05:25,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:25,844 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:25,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:25,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:25,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:25,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:25,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-07-17 11:05:25,900 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-07-17 11:05:25,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:25,900 INFO L85 PathProgramCache]: Analyzing trace with hash -2137227211, now seen corresponding path program 2 times [2024-07-17 11:05:25,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:25,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713279524] [2024-07-17 11:05:25,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:25,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-07-17 11:05:25,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:25,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713279524] [2024-07-17 11:05:25,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713279524] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:25,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:25,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:05:25,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358759338] [2024-07-17 11:05:25,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:25,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:05:25,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:25,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:05:25,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:05:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:25,983 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:25,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:25,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:25,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:25,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:26,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:26,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-07-17 11:05:26,025 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-07-17 11:05:26,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:26,026 INFO L85 PathProgramCache]: Analyzing trace with hash 724713320, now seen corresponding path program 3 times [2024-07-17 11:05:26,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:26,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700409881] [2024-07-17 11:05:26,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:26,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:26,109 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-17 11:05:26,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:26,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700409881] [2024-07-17 11:05:26,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700409881] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:26,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:26,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-17 11:05:26,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047376208] [2024-07-17 11:05:26,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:26,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-17 11:05:26,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:26,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-17 11:05:26,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-07-17 11:05:26,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:26,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:26,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:26,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:26,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:26,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:26,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:26,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-07-17 11:05:26,234 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-07-17 11:05:26,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:26,234 INFO L85 PathProgramCache]: Analyzing trace with hash -654845009, now seen corresponding path program 1 times [2024-07-17 11:05:26,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:26,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256014060] [2024-07-17 11:05:26,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:26,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-07-17 11:05:26,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:26,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256014060] [2024-07-17 11:05:26,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256014060] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:26,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:26,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-07-17 11:05:26,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91248430] [2024-07-17 11:05:26,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:26,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-17 11:05:26,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:26,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-17 11:05:26,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-07-17 11:05:26,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:26,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:26,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:26,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:26,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:26,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:26,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:26,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:26,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:26,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:05:26,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-07-17 11:05:26,638 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-07-17 11:05:26,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:26,638 INFO L85 PathProgramCache]: Analyzing trace with hash -796511611, now seen corresponding path program 1 times [2024-07-17 11:05:26,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:26,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212538415] [2024-07-17 11:05:26,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:26,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 103 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-07-17 11:05:27,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:27,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212538415] [2024-07-17 11:05:27,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212538415] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 11:05:27,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761149887] [2024-07-17 11:05:27,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:27,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 11:05:27,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 11:05:27,068 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-17 11:05:27,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-17 11:05:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:27,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 10 conjunts are in the unsatisfiable core [2024-07-17 11:05:27,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 11:05:27,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-07-17 11:05:27,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-07-17 11:05:27,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-07-17 11:05:27,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-07-17 11:05:27,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-07-17 11:05:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-07-17 11:05:27,720 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-17 11:05:27,785 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-17 11:05:27,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-07-17 11:05:27,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-07-17 11:05:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-07-17 11:05:27,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761149887] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-17 11:05:27,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-17 11:05:27,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-07-17 11:05:27,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127461738] [2024-07-17 11:05:27,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-17 11:05:27,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-07-17 11:05:27,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:27,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-07-17 11:05:27,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=79, Unknown=1, NotChecked=0, Total=110 [2024-07-17 11:05:27,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:27,915 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:27,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 10 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:27,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:27,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:27,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:27,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:27,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:27,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:27,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:05:27,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:28,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:28,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:28,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:28,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:28,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:28,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:28,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-17 11:05:28,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:28,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-07-17 11:05:28,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 11:05:28,452 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-07-17 11:05:28,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:28,452 INFO L85 PathProgramCache]: Analyzing trace with hash -777459665, now seen corresponding path program 2 times [2024-07-17 11:05:28,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:28,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456554452] [2024-07-17 11:05:28,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:28,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:28,679 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-07-17 11:05:28,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:28,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456554452] [2024-07-17 11:05:28,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456554452] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-17 11:05:28,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690430353] [2024-07-17 11:05:28,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-17 11:05:28,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 11:05:28,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 11:05:28,681 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-17 11:05:28,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-17 11:05:28,940 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-17 11:05:28,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-17 11:05:28,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 11 conjunts are in the unsatisfiable core [2024-07-17 11:05:28,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-17 11:05:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-07-17 11:05:28,993 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-17 11:05:28,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690430353] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:28,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-17 11:05:28,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-07-17 11:05:28,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129085644] [2024-07-17 11:05:28,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:28,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-17 11:05:28,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:28,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-17 11:05:28,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-07-17 11:05:28,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:28,995 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:28,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:28,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:28,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:28,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:28,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:28,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:28,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:28,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-17 11:05:28,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:28,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-17 11:05:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:30,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-17 11:05:31,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-17 11:05:31,071 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-07-17 11:05:31,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:05:31,071 INFO L85 PathProgramCache]: Analyzing trace with hash 853170949, now seen corresponding path program 1 times [2024-07-17 11:05:31,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:05:31,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916052439] [2024-07-17 11:05:31,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:05:31,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:05:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:05:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-17 11:05:31,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:05:31,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916052439] [2024-07-17 11:05:31,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916052439] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:05:31,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:05:31,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-07-17 11:05:31,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532009976] [2024-07-17 11:05:31,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:05:31,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-07-17 11:05:31,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:05:31,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-07-17 11:05:31,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-07-17 11:05:31,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:31,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:05:31,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:05:31,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:31,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:31,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:31,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:31,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:31,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:31,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-17 11:05:31,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:31,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:31,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:05:33,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:33,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:33,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:33,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:33,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:05:33,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:33,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-17 11:05:33,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:05:33,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:33,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-17 11:05:33,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 7 remaining) [2024-07-17 11:05:33,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 7 remaining) [2024-07-17 11:05:33,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 7 remaining) [2024-07-17 11:05:33,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2024-07-17 11:05:33,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-07-17 11:05:33,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-07-17 11:05:33,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2024-07-17 11:05:33,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-07-17 11:05:33,191 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2024-07-17 11:05:33,192 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/2) [2024-07-17 11:05:33,193 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-17 11:05:33,193 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-17 11:05:33,195 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-07-17 11:05:33,195 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-07-17 11:05:33,196 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:05:33 BasicIcfg [2024-07-17 11:05:33,196 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-17 11:05:33,196 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-17 11:05:33,196 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-17 11:05:33,197 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-17 11:05:33,197 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:05:13" (4/5) ... [2024-07-17 11:05:33,198 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-07-17 11:05:33,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure process [2024-07-17 11:05:33,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dispose [2024-07-17 11:05:33,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure generate [2024-07-17 11:05:33,206 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2024-07-17 11:05:33,206 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-07-17 11:05:33,207 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-07-17 11:05:33,207 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-07-17 11:05:33,207 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-07-17 11:05:33,249 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i-witness.graphml [2024-07-17 11:05:33,249 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i-witness.yml [2024-07-17 11:05:33,249 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-17 11:05:33,250 INFO L158 Benchmark]: Toolchain (without parser) took 20867.63ms. Allocated memory was 165.7MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 132.9MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 156.2MB. Max. memory is 16.1GB. [2024-07-17 11:05:33,250 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 11:05:33,250 INFO L158 Benchmark]: Witness Parser took 0.43ms. Allocated memory is still 165.7MB. Free memory is still 137.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 11:05:33,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.54ms. Allocated memory is still 165.7MB. Free memory was 132.9MB in the beginning and 91.7MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-07-17 11:05:33,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.49ms. Allocated memory is still 165.7MB. Free memory was 91.7MB in the beginning and 88.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 11:05:33,251 INFO L158 Benchmark]: Boogie Preprocessor took 41.20ms. Allocated memory is still 165.7MB. Free memory was 88.8MB in the beginning and 86.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 11:05:33,251 INFO L158 Benchmark]: RCFGBuilder took 605.08ms. Allocated memory is still 165.7MB. Free memory was 86.1MB in the beginning and 105.7MB in the end (delta: -19.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-07-17 11:05:33,251 INFO L158 Benchmark]: TraceAbstraction took 19540.38ms. Allocated memory was 165.7MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 105.7MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-07-17 11:05:33,251 INFO L158 Benchmark]: Witness Printer took 52.91ms. Allocated memory is still 3.7GB. Free memory was 3.5GB in the beginning and 3.5GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 11:05:33,252 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.43ms. Allocated memory is still 165.7MB. Free memory is still 137.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.54ms. Allocated memory is still 165.7MB. Free memory was 132.9MB in the beginning and 91.7MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.49ms. Allocated memory is still 165.7MB. Free memory was 91.7MB in the beginning and 88.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.20ms. Allocated memory is still 165.7MB. Free memory was 88.8MB in the beginning and 86.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.08ms. Allocated memory is still 165.7MB. Free memory was 86.1MB in the beginning and 105.7MB in the end (delta: -19.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * TraceAbstraction took 19540.38ms. Allocated memory was 165.7MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 105.7MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 52.91ms. Allocated memory is still 3.7GB. Free memory was 3.5GB in the beginning and 3.5GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 575181, independent: 528261, independent conditional: 524844, independent unconditional: 3417, dependent: 46920, dependent conditional: 46791, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 531967, independent: 528261, independent conditional: 524844, independent unconditional: 3417, dependent: 3706, dependent conditional: 3577, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 531967, independent: 528261, independent conditional: 524844, independent unconditional: 3417, dependent: 3706, dependent conditional: 3577, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 583464, independent: 528261, independent conditional: 9821, independent unconditional: 518440, dependent: 55203, dependent conditional: 41676, dependent unconditional: 13527, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 583464, independent: 528261, independent conditional: 9821, independent unconditional: 518440, dependent: 55203, dependent conditional: 27350, dependent unconditional: 27853, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 583464, independent: 528261, independent conditional: 9821, independent unconditional: 518440, dependent: 55203, dependent conditional: 27350, dependent unconditional: 27853, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2938, independent: 2492, independent conditional: 121, independent unconditional: 2371, dependent: 446, dependent conditional: 309, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2938, independent: 2286, independent conditional: 0, independent unconditional: 2286, dependent: 652, dependent conditional: 0, dependent unconditional: 652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 652, independent: 206, independent conditional: 121, independent unconditional: 85, dependent: 446, dependent conditional: 309, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 652, independent: 206, independent conditional: 121, independent unconditional: 85, dependent: 446, dependent conditional: 309, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1166, independent: 436, independent conditional: 211, independent unconditional: 224, dependent: 730, dependent conditional: 503, dependent unconditional: 227, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 583464, independent: 525769, independent conditional: 9700, independent unconditional: 516069, dependent: 54757, dependent conditional: 27041, dependent unconditional: 27716, unknown: 2938, unknown conditional: 430, unknown unconditional: 2508] , Statistics on independence cache: Total cache size (in pairs): 2938, Positive cache size: 2492, Positive conditional cache size: 121, Positive unconditional cache size: 2371, Negative cache size: 446, Negative conditional cache size: 309, Negative unconditional cache size: 137, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14326, Maximal queried relation: 11, Independence queries for same thread: 43214 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.0s, Number of persistent set computation: 15813, Number of trivial persistent sets: 13826, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3546, independent: 3417, independent conditional: 0, independent unconditional: 3417, dependent: 129, dependent conditional: 0, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 575181, independent: 528261, independent conditional: 524844, independent unconditional: 3417, dependent: 46920, dependent conditional: 46791, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 531967, independent: 528261, independent conditional: 524844, independent unconditional: 3417, dependent: 3706, dependent conditional: 3577, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 531967, independent: 528261, independent conditional: 524844, independent unconditional: 3417, dependent: 3706, dependent conditional: 3577, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 583464, independent: 528261, independent conditional: 9821, independent unconditional: 518440, dependent: 55203, dependent conditional: 41676, dependent unconditional: 13527, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 583464, independent: 528261, independent conditional: 9821, independent unconditional: 518440, dependent: 55203, dependent conditional: 27350, dependent unconditional: 27853, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 583464, independent: 528261, independent conditional: 9821, independent unconditional: 518440, dependent: 55203, dependent conditional: 27350, dependent unconditional: 27853, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2938, independent: 2492, independent conditional: 121, independent unconditional: 2371, dependent: 446, dependent conditional: 309, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2938, independent: 2286, independent conditional: 0, independent unconditional: 2286, dependent: 652, dependent conditional: 0, dependent unconditional: 652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 652, independent: 206, independent conditional: 121, independent unconditional: 85, dependent: 446, dependent conditional: 309, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 652, independent: 206, independent conditional: 121, independent unconditional: 85, dependent: 446, dependent conditional: 309, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1166, independent: 436, independent conditional: 211, independent unconditional: 224, dependent: 730, dependent conditional: 503, dependent unconditional: 227, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 583464, independent: 525769, independent conditional: 9700, independent unconditional: 516069, dependent: 54757, dependent conditional: 27041, dependent unconditional: 27716, unknown: 2938, unknown conditional: 430, unknown unconditional: 2508] , Statistics on independence cache: Total cache size (in pairs): 2938, Positive cache size: 2492, Positive conditional cache size: 121, Positive unconditional cache size: 2371, Negative cache size: 446, Negative conditional cache size: 309, Negative unconditional cache size: 137, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14326, Maximal queried relation: 11, Independence queries for same thread: 43214 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 486888, independent: 458134, independent conditional: 454862, independent unconditional: 3272, dependent: 28754, dependent conditional: 28631, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 461332, independent: 458134, independent conditional: 454862, independent unconditional: 3272, dependent: 3198, dependent conditional: 3075, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 461332, independent: 458134, independent conditional: 454862, independent unconditional: 3272, dependent: 3198, dependent conditional: 3075, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 497439, independent: 458134, independent conditional: 7851, independent unconditional: 450283, dependent: 39305, dependent conditional: 28256, dependent unconditional: 11049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 497439, independent: 458134, independent conditional: 7851, independent unconditional: 450283, dependent: 39305, dependent conditional: 6119, dependent unconditional: 33186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497439, independent: 458134, independent conditional: 7851, independent unconditional: 450283, dependent: 39305, dependent conditional: 6119, dependent unconditional: 33186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2580, independent: 2388, independent conditional: 70, independent unconditional: 2318, dependent: 192, dependent conditional: 62, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2580, independent: 2243, independent conditional: 0, independent unconditional: 2243, dependent: 337, dependent conditional: 0, dependent unconditional: 337, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 337, independent: 145, independent conditional: 70, independent unconditional: 75, dependent: 192, dependent conditional: 62, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 337, independent: 145, independent conditional: 70, independent unconditional: 75, dependent: 192, dependent conditional: 62, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 452, independent: 208, independent conditional: 104, independent unconditional: 105, dependent: 244, dependent conditional: 80, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 497439, independent: 455746, independent conditional: 7781, independent unconditional: 447965, dependent: 39113, dependent conditional: 6057, dependent unconditional: 33056, unknown: 2580, unknown conditional: 132, unknown unconditional: 2448] , Statistics on independence cache: Total cache size (in pairs): 2580, Positive cache size: 2388, Positive conditional cache size: 70, Positive unconditional cache size: 2318, Negative cache size: 192, Negative conditional cache size: 62, Negative unconditional cache size: 130, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22137, Maximal queried relation: 10, Independence queries for same thread: 25556 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 12217, Number of trivial persistent sets: 10957, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3395, independent: 3272, independent conditional: 0, independent unconditional: 3272, dependent: 123, dependent conditional: 0, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 486888, independent: 458134, independent conditional: 454862, independent unconditional: 3272, dependent: 28754, dependent conditional: 28631, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 461332, independent: 458134, independent conditional: 454862, independent unconditional: 3272, dependent: 3198, dependent conditional: 3075, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 461332, independent: 458134, independent conditional: 454862, independent unconditional: 3272, dependent: 3198, dependent conditional: 3075, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 497439, independent: 458134, independent conditional: 7851, independent unconditional: 450283, dependent: 39305, dependent conditional: 28256, dependent unconditional: 11049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 497439, independent: 458134, independent conditional: 7851, independent unconditional: 450283, dependent: 39305, dependent conditional: 6119, dependent unconditional: 33186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497439, independent: 458134, independent conditional: 7851, independent unconditional: 450283, dependent: 39305, dependent conditional: 6119, dependent unconditional: 33186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2580, independent: 2388, independent conditional: 70, independent unconditional: 2318, dependent: 192, dependent conditional: 62, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2580, independent: 2243, independent conditional: 0, independent unconditional: 2243, dependent: 337, dependent conditional: 0, dependent unconditional: 337, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 337, independent: 145, independent conditional: 70, independent unconditional: 75, dependent: 192, dependent conditional: 62, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 337, independent: 145, independent conditional: 70, independent unconditional: 75, dependent: 192, dependent conditional: 62, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 452, independent: 208, independent conditional: 104, independent unconditional: 105, dependent: 244, dependent conditional: 80, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 497439, independent: 455746, independent conditional: 7781, independent unconditional: 447965, dependent: 39113, dependent conditional: 6057, dependent unconditional: 33056, unknown: 2580, unknown conditional: 132, unknown unconditional: 2448] , Statistics on independence cache: Total cache size (in pairs): 2580, Positive cache size: 2388, Positive conditional cache size: 70, Positive unconditional cache size: 2318, Negative cache size: 192, Negative conditional cache size: 62, Negative unconditional cache size: 130, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22137, Maximal queried relation: 10, Independence queries for same thread: 25556 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1203]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1204]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1205]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: disposeThread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 101 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 8.1s, 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: 66, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1958 NumberOfCodeBlocks, 1958 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1945 ConstructedInterpolants, 0 QuantifiedInterpolants, 3395 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 4636/4636 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 7 procedures, 101 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 4.8s, 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: 50, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1049 NumberOfCodeBlocks, 1049 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1166 ConstructedInterpolants, 5 QuantifiedInterpolants, 3129 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1342 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 1023/1037 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-17 11:05:33,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-07-17 11:05:33,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-17 11:05:33,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE