./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/mutex-meet-nonrel/13-privatized_04-priv_multi_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce 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/mutex-meet-nonrel/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-2cc22fc-m [2024-07-22 20:32:13,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 20:32:13,866 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 20:32:13,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 20:32:13,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 20:32:13,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 20:32:13,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 20:32:13,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 20:32:13,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 20:32:13,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 20:32:13,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 20:32:13,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 20:32:13,901 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 20:32:13,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 20:32:13,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 20:32:13,902 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 20:32:13,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 20:32:13,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 20:32:13,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 20:32:13,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 20:32:13,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 20:32:13,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 20:32:13,904 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 20:32:13,904 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 20:32:13,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 20:32:13,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 20:32:13,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 20:32:13,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 20:32:13,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 20:32:13,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 20:32:13,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 20:32:13,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 20:32:13,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 20:32:13,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 20:32:13,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 20:32:13,908 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 20:32:13,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 20:32:13,908 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 20:32:13,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 20:32:13,909 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 20:32:13,909 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 20:32:13,909 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 20:32:13,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-07-22 20:32:14,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 20:32:14,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 20:32:14,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 20:32:14,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 20:32:14,142 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 20:32:14,143 INFO L431 ainManager$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 [2024-07-22 20:32:15,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 20:32:15,433 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 20:32:15,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-07-22 20:32:15,448 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/64b18d614/30b110fa1c6a4542b1779c4e30c67d9a/FLAGd8f55bf07 [2024-07-22 20:32:15,458 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/64b18d614/30b110fa1c6a4542b1779c4e30c67d9a [2024-07-22 20:32:15,461 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 20:32:15,461 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 20:32:15,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_04-priv_multi_true.yml/witness.yml [2024-07-22 20:32:15,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 20:32:15,588 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 20:32:15,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 20:32:15,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 20:32:15,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 20:32:15,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 08:32:15" (1/2) ... [2024-07-22 20:32:15,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23926d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 08:32:15, skipping insertion in model container [2024-07-22 20:32:15,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 08:32:15" (1/2) ... [2024-07-22 20:32:15,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27ac02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 08:32:15, skipping insertion in model container [2024-07-22 20:32:15,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 08:32:15" (2/2) ... [2024-07-22 20:32:15,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23926d6a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:32:15, skipping insertion in model container [2024-07-22 20:32:15,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 08:32:15" (2/2) ... [2024-07-22 20:32:15,597 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 20:32:15,648 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 20:32:15,649 INFO L97 edCorrectnessWitness]: Location invariant before [L1203-L1203] (((! multithreaded || (B == 5 || B == 6)) && (! multithreaded || (mutex_B_locked || B == 5))) && (! multithreaded || (1 <= A && A <= 100))) && (! multithreaded || (mutex_A_locked || (A == 5 && B == 5))) [2024-07-22 20:32:15,649 INFO L97 edCorrectnessWitness]: Location invariant before [L1205-L1212] (((! multithreaded || (B == 5 || B == 6)) && (! multithreaded || (mutex_B_locked || B == 5))) && (! multithreaded || (1 <= A && A <= 100))) && (! multithreaded || (mutex_A_locked || (A == 5 && B == 5))) [2024-07-22 20:32:15,650 INFO L97 edCorrectnessWitness]: Location invariant before [L1204-L1204] (((! multithreaded || (B == 5 || B == 6)) && (! multithreaded || (mutex_B_locked || B == 5))) && (! multithreaded || (1 <= A && A <= 100))) && (! multithreaded || (mutex_A_locked || (A == 5 && B == 5))) [2024-07-22 20:32:15,650 INFO L103 edCorrectnessWitness]: ghost_variable mutex_A_locked = 0 [2024-07-22 20:32:15,650 INFO L103 edCorrectnessWitness]: ghost_variable mutex_B_locked = 0 [2024-07-22 20:32:15,650 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 20:32:15,651 INFO L106 edCorrectnessWitness]: ghost_update [L1202-L1202] multithreaded = 1; [2024-07-22 20:32:15,651 INFO L106 edCorrectnessWitness]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-07-22 20:32:15,651 INFO L106 edCorrectnessWitness]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-07-22 20:32:15,651 INFO L106 edCorrectnessWitness]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-07-22 20:32:15,651 INFO L106 edCorrectnessWitness]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-07-22 20:32:15,651 INFO L106 edCorrectnessWitness]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-07-22 20:32:15,651 INFO L106 edCorrectnessWitness]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-07-22 20:32:15,651 INFO L106 edCorrectnessWitness]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-07-22 20:32:15,651 INFO L106 edCorrectnessWitness]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-07-22 20:32:15,652 INFO L106 edCorrectnessWitness]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-07-22 20:32:15,652 INFO L106 edCorrectnessWitness]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-07-22 20:32:15,652 INFO L106 edCorrectnessWitness]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-07-22 20:32:15,652 INFO L106 edCorrectnessWitness]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-07-22 20:32:15,693 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 20:32:15,913 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] [2024-07-22 20:32:16,103 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 20:32:16,118 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 20:32:16,162 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 [2024-07-22 20:32:16,250 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 20:32:16,311 INFO L206 MainTranslator]: Completed translation [2024-07-22 20:32:16,311 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:32:16 WrapperNode [2024-07-22 20:32:16,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 20:32:16,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 20:32:16,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 20:32:16,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 20:32:16,318 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 22.07 08:32:16" (1/1) ... [2024-07-22 20:32:16,343 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 22.07 08:32:16" (1/1) ... [2024-07-22 20:32:16,375 INFO L138 Inliner]: procedures = 271, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2024-07-22 20:32:16,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 20:32:16,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 20:32:16,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 20:32:16,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 20:32:16,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:32:16" (1/1) ... [2024-07-22 20:32:16,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:32:16" (1/1) ... [2024-07-22 20:32:16,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:32:16" (1/1) ... [2024-07-22 20:32:16,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:32:16" (1/1) ... [2024-07-22 20:32:16,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:32:16" (1/1) ... [2024-07-22 20:32:16,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:32:16" (1/1) ... [2024-07-22 20:32:16,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:32:16" (1/1) ... [2024-07-22 20:32:16,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:32:16" (1/1) ... [2024-07-22 20:32:16,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 20:32:16,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 20:32:16,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 20:32:16,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 20:32:16,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:32:16" (1/1) ... [2024-07-22 20:32:16,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 20:32:16,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:32:16,504 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) [2024-07-22 20:32:16,550 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 [2024-07-22 20:32:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-07-22 20:32:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-07-22 20:32:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-22 20:32:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-22 20:32:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 20:32:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-07-22 20:32:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-07-22 20:32:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-07-22 20:32:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-07-22 20:32:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 20:32:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 20:32:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 20:32:16,579 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 20:32:16,806 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 20:32:16,808 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 20:32:17,002 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 20:32:17,003 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 20:32:17,133 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 20:32:17,133 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-07-22 20:32:17,134 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 08:32:17 BoogieIcfgContainer [2024-07-22 20:32:17,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 20:32:17,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 20:32:17,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 20:32:17,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 20:32:17,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 08:32:15" (1/4) ... [2024-07-22 20:32:17,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8a0185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 08:32:17, skipping insertion in model container [2024-07-22 20:32:17,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 08:32:15" (2/4) ... [2024-07-22 20:32:17,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8a0185 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 08:32:17, skipping insertion in model container [2024-07-22 20:32:17,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:32:16" (3/4) ... [2024-07-22 20:32:17,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8a0185 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 08:32:17, skipping insertion in model container [2024-07-22 20:32:17,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 08:32:17" (4/4) ... [2024-07-22 20:32:17,150 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-07-22 20:32:17,164 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 20:32:17,164 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-07-22 20:32:17,164 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 20:32:17,245 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-07-22 20:32:17,288 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 20:32:17,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 20:32:17,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:32:17,290 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) [2024-07-22 20:32:17,291 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 [2024-07-22 20:32:17,357 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 20:32:17,368 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == disposeThread1of1ForFork1 ======== [2024-07-22 20:32:17,374 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;@38fdbcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 20:32:17,374 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-07-22 20:32:17,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:32:17,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:17,664 INFO L85 PathProgramCache]: Analyzing trace with hash -932252739, now seen corresponding path program 1 times [2024-07-22 20:32:17,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:17,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520719218] [2024-07-22 20:32:17,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:17,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:18,093 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-07-22 20:32:18,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:18,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520719218] [2024-07-22 20:32:18,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520719218] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:18,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:18,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-22 20:32:18,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200445125] [2024-07-22 20:32:18,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:18,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 20:32:18,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:18,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 20:32:18,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 20:32:18,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:18,124 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:18,125 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) [2024-07-22 20:32:18,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:18,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 20:32:18,313 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:32:18,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:18,314 INFO L85 PathProgramCache]: Analyzing trace with hash 781245923, now seen corresponding path program 1 times [2024-07-22 20:32:18,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:18,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674671668] [2024-07-22 20:32:18,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:18,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:18,476 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-07-22 20:32:18,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:18,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674671668] [2024-07-22 20:32:18,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674671668] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:18,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:18,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 20:32:18,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420786135] [2024-07-22 20:32:18,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:18,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 20:32:18,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:18,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 20:32:18,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 20:32:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:18,481 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:18,481 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) [2024-07-22 20:32:18,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:18,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:18,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:18,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:18,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 20:32:18,555 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:32:18,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:18,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1470934989, now seen corresponding path program 1 times [2024-07-22 20:32:18,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:18,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117196907] [2024-07-22 20:32:18,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:18,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:18,786 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-07-22 20:32:18,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:18,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117196907] [2024-07-22 20:32:18,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117196907] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:18,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:18,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 20:32:18,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924519220] [2024-07-22 20:32:18,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:18,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 20:32:18,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:18,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 20:32:18,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 20:32:18,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:18,788 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:18,788 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) [2024-07-22 20:32:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:18,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:18,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:18,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:18,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-22 20:32:18,904 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:32:18,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:18,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1328368113, now seen corresponding path program 2 times [2024-07-22 20:32:18,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:18,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249950613] [2024-07-22 20:32:18,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:18,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-07-22 20:32:18,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:18,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249950613] [2024-07-22 20:32:18,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249950613] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:18,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:18,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 20:32:18,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624339789] [2024-07-22 20:32:18,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:18,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 20:32:18,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:18,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 20:32:18,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 20:32:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:18,986 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:18,987 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) [2024-07-22 20:32:18,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:18,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:18,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:18,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:19,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-22 20:32:19,039 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:32:19,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:19,040 INFO L85 PathProgramCache]: Analyzing trace with hash -906965432, now seen corresponding path program 3 times [2024-07-22 20:32:19,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:19,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172690467] [2024-07-22 20:32:19,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:19,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:19,117 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-07-22 20:32:19,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:19,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172690467] [2024-07-22 20:32:19,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172690467] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:19,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:19,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 20:32:19,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260506482] [2024-07-22 20:32:19,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:19,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 20:32:19,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:19,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 20:32:19,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 20:32:19,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:19,119 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:19,119 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) [2024-07-22 20:32:19,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-22 20:32:19,188 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:32:19,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:19,188 INFO L85 PathProgramCache]: Analyzing trace with hash -512939403, now seen corresponding path program 2 times [2024-07-22 20:32:19,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:19,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84355314] [2024-07-22 20:32:19,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:19,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-07-22 20:32:19,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:19,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84355314] [2024-07-22 20:32:19,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84355314] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:19,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:19,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 20:32:19,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597362858] [2024-07-22 20:32:19,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:19,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 20:32:19,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:19,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 20:32:19,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 20:32:19,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:19,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:19,314 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) [2024-07-22 20:32:19,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-07-22 20:32:19,512 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:32:19,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:19,512 INFO L85 PathProgramCache]: Analyzing trace with hash 475396582, now seen corresponding path program 1 times [2024-07-22 20:32:19,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:19,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285373286] [2024-07-22 20:32:19,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:19,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-07-22 20:32:19,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:19,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285373286] [2024-07-22 20:32:19,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285373286] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:19,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:19,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 20:32:19,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759949754] [2024-07-22 20:32:19,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:19,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 20:32:19,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:19,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 20:32:19,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-07-22 20:32:19,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:19,709 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:19,709 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) [2024-07-22 20:32:19,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:32:19,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-07-22 20:32:19,799 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:32:19,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:19,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1148992182, now seen corresponding path program 1 times [2024-07-22 20:32:19,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:19,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028832282] [2024-07-22 20:32:19,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:19,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:20,021 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-07-22 20:32:20,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:20,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028832282] [2024-07-22 20:32:20,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028832282] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:20,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:20,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 20:32:20,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295124509] [2024-07-22 20:32:20,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:20,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 20:32:20,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:20,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 20:32:20,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-07-22 20:32:20,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:20,023 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:20,023 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) [2024-07-22 20:32:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:32:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:20,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:32:20,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:32:20,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-07-22 20:32:20,156 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:32:20,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:20,157 INFO L85 PathProgramCache]: Analyzing trace with hash 867766259, now seen corresponding path program 2 times [2024-07-22 20:32:20,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:20,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681906106] [2024-07-22 20:32:20,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:20,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:20,428 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-07-22 20:32:20,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:20,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681906106] [2024-07-22 20:32:20,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681906106] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:20,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:20,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 20:32:20,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059355054] [2024-07-22 20:32:20,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:20,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 20:32:20,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:20,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 20:32:20,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-07-22 20:32:20,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:20,430 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:20,430 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) [2024-07-22 20:32:20,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:32:20,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:32:20,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:32:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:32:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:32:20,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-07-22 20:32:20,496 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:32:20,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:20,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1514640399, now seen corresponding path program 1 times [2024-07-22 20:32:20,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:20,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773177623] [2024-07-22 20:32:20,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:20,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:32:20,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:20,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773177623] [2024-07-22 20:32:20,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773177623] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:20,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:20,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-07-22 20:32:20,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625784822] [2024-07-22 20:32:20,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:20,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-22 20:32:20,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:20,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-22 20:32:20,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-07-22 20:32:20,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:20,694 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:20,694 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) [2024-07-22 20:32:20,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:32:20,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:32:20,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:32:20,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:20,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:32:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:32:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:32:20,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-07-22 20:32:20,960 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [disposeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 20:32:20,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:20,961 INFO L85 PathProgramCache]: Analyzing trace with hash 314603093, now seen corresponding path program 1 times [2024-07-22 20:32:20,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:20,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224866936] [2024-07-22 20:32:20,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:20,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 137 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-07-22 20:32:21,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:21,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224866936] [2024-07-22 20:32:21,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224866936] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:32:21,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865196507] [2024-07-22 20:32:21,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:21,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:32:21,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:32:21,470 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 20:32:21,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-22 20:32:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:21,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 10 conjunts are in the unsatisfiable core [2024-07-22 20:32:21,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:32:22,020 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 [2024-07-22 20:32:22,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-07-22 20:32:22,050 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 [2024-07-22 20:32:22,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-07-22 20:32:22,065 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 [2024-07-22 20:32:22,074 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-07-22 20:32:22,074 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:32:22,145 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-22 20:32:22,145 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 [2024-07-22 20:32:22,148 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 [2024-07-22 20:32:22,262 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-07-22 20:32:22,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865196507] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:32:22,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:32:22,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-07-22 20:32:22,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108211483] [2024-07-22 20:32:22,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:32:22,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-07-22 20:32:22,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:22,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-07-22 20:32:22,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=79, Unknown=1, NotChecked=0, Total=110 [2024-07-22 20:32:22,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:22,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:22,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 10 states have internal predecessors, (170), 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) [2024-07-22 20:32:22,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:22,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:22,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:22,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:22,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:22,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:22,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:32:22,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:32:22,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:22,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:32:22,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:26,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:26,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:26,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:26,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:26,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:26,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:26,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:32:26,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:32:26,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:26,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 20:32:26,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:26,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location disposeErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-07-22 20:32:26,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-07-22 20:32:26,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-07-22 20:32:26,419 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1] [2024-07-22 20:32:26,420 INFO L308 ceAbstractionStarter]: Result for error location disposeThread1of1ForFork1 was SAFE (1/2) [2024-07-22 20:32:26,425 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 20:32:26,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 20:32:26,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:32:26,442 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-22 20:32:26,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-07-22 20:32:26,445 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 20:32:26,445 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 20:32:26,445 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;@38fdbcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 20:32:26,445 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-07-22 20:32:26,486 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)] === [2024-07-22 20:32:26,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:26,487 INFO L85 PathProgramCache]: Analyzing trace with hash -627418842, now seen corresponding path program 1 times [2024-07-22 20:32:26,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:26,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171362687] [2024-07-22 20:32:26,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:26,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:26,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:32:26,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:26,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171362687] [2024-07-22 20:32:26,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171362687] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:26,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:26,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-22 20:32:26,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535339552] [2024-07-22 20:32:26,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:26,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 20:32:26,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:26,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 20:32:26,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 20:32:26,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:26,540 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:26,540 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) [2024-07-22 20:32:26,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:26,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:26,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-07-22 20:32:26,653 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)] === [2024-07-22 20:32:26,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:26,653 INFO L85 PathProgramCache]: Analyzing trace with hash -2081946676, now seen corresponding path program 1 times [2024-07-22 20:32:26,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:26,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958641346] [2024-07-22 20:32:26,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:26,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:32:26,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:26,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958641346] [2024-07-22 20:32:26,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958641346] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:26,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:26,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 20:32:26,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995718017] [2024-07-22 20:32:26,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:26,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 20:32:26,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:26,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 20:32:26,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-07-22 20:32:26,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:26,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:26,769 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) [2024-07-22 20:32:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:26,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:26,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:32:26,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-07-22 20:32:26,889 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)] === [2024-07-22 20:32:26,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:26,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1090246758, now seen corresponding path program 1 times [2024-07-22 20:32:26,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:26,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401110653] [2024-07-22 20:32:26,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:26,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:26,941 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-22 20:32:26,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:26,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401110653] [2024-07-22 20:32:26,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401110653] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:26,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:26,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 20:32:26,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570981839] [2024-07-22 20:32:26,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:26,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 20:32:26,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:26,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 20:32:26,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 20:32:26,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:26,942 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:26,942 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) [2024-07-22 20:32:26,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:26,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:32:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:26,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:26,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:26,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:26,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-07-22 20:32:26,994 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)] === [2024-07-22 20:32:26,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:26,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1427440388, now seen corresponding path program 1 times [2024-07-22 20:32:26,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:26,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657713387] [2024-07-22 20:32:26,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:26,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:27,079 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-07-22 20:32:27,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:27,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657713387] [2024-07-22 20:32:27,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657713387] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:27,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:27,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 20:32:27,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657847883] [2024-07-22 20:32:27,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:27,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 20:32:27,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:27,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 20:32:27,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 20:32:27,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:27,081 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:27,081 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) [2024-07-22 20:32:27,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:27,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:27,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:27,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-07-22 20:32:27,145 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)] === [2024-07-22 20:32:27,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:27,145 INFO L85 PathProgramCache]: Analyzing trace with hash -2137227211, now seen corresponding path program 2 times [2024-07-22 20:32:27,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:27,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169133305] [2024-07-22 20:32:27,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:27,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-07-22 20:32:27,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:27,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169133305] [2024-07-22 20:32:27,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169133305] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:27,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:27,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 20:32:27,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016875037] [2024-07-22 20:32:27,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:27,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 20:32:27,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:27,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 20:32:27,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 20:32:27,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:27,233 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:27,233 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) [2024-07-22 20:32:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:27,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:27,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-07-22 20:32:27,277 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)] === [2024-07-22 20:32:27,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:27,278 INFO L85 PathProgramCache]: Analyzing trace with hash 724713320, now seen corresponding path program 3 times [2024-07-22 20:32:27,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:27,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439913285] [2024-07-22 20:32:27,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:27,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:27,390 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-22 20:32:27,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:27,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439913285] [2024-07-22 20:32:27,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439913285] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:27,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:27,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 20:32:27,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629843431] [2024-07-22 20:32:27,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:27,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 20:32:27,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:27,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 20:32:27,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-07-22 20:32:27,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:27,392 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:27,392 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) [2024-07-22 20:32:27,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:27,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:27,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:27,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:27,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-07-22 20:32:27,613 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)] === [2024-07-22 20:32:27,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:27,613 INFO L85 PathProgramCache]: Analyzing trace with hash -654845009, now seen corresponding path program 1 times [2024-07-22 20:32:27,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:27,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925401394] [2024-07-22 20:32:27,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:27,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-07-22 20:32:27,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:27,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925401394] [2024-07-22 20:32:27,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925401394] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:27,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:27,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-07-22 20:32:27,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084018280] [2024-07-22 20:32:27,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:27,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-22 20:32:27,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:27,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-22 20:32:27,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-07-22 20:32:27,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:27,900 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:27,900 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) [2024-07-22 20:32:27,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:27,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:27,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:27,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:28,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:28,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:28,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:28,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:28,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:28,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:28,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 20:32:28,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-07-22 20:32:28,073 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)] === [2024-07-22 20:32:28,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:28,073 INFO L85 PathProgramCache]: Analyzing trace with hash -796511611, now seen corresponding path program 1 times [2024-07-22 20:32:28,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:28,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130380357] [2024-07-22 20:32:28,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:28,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 103 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-07-22 20:32:28,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:28,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130380357] [2024-07-22 20:32:28,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130380357] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:32:28,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205032046] [2024-07-22 20:32:28,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:28,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:32:28,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:32:28,362 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) [2024-07-22 20:32:28,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-22 20:32:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:28,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 10 conjunts are in the unsatisfiable core [2024-07-22 20:32:28,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:32:28,933 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 [2024-07-22 20:32:28,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-07-22 20:32:28,957 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 [2024-07-22 20:32:28,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-07-22 20:32:28,967 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 [2024-07-22 20:32:28,977 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-07-22 20:32:28,977 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:32:28,987 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1386 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#mutex_B~0.base| v_ArrVal_1386) |c_~#mutex_A~0.base|) |c_~#mutex_A~0.offset|) 0))) is different from false [2024-07-22 20:32:29,004 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-22 20:32:29,004 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 [2024-07-22 20:32:29,006 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 [2024-07-22 20:32:29,113 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 39 proven. 3 refuted. 0 times theorem prover too weak. 93 trivial. 15 not checked. [2024-07-22 20:32:29,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205032046] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:32:29,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:32:29,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-07-22 20:32:29,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392295493] [2024-07-22 20:32:29,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:32:29,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-07-22 20:32:29,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:29,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-07-22 20:32:29,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=65, Unknown=1, NotChecked=16, Total=110 [2024-07-22 20:32:29,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:29,115 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:29,116 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) [2024-07-22 20:32:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 20:32:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:32:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:29,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-07-22 20:32:29,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:32:29,646 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)] === [2024-07-22 20:32:29,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:29,647 INFO L85 PathProgramCache]: Analyzing trace with hash -777459665, now seen corresponding path program 2 times [2024-07-22 20:32:29,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:29,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241881516] [2024-07-22 20:32:29,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:29,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:30,008 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-07-22 20:32:30,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:30,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241881516] [2024-07-22 20:32:30,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241881516] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:32:30,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155076416] [2024-07-22 20:32:30,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 20:32:30,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:32:30,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:32:30,025 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 20:32:30,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-22 20:32:30,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 20:32:30,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:32:30,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 11 conjunts are in the unsatisfiable core [2024-07-22 20:32:30,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:32:30,316 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-07-22 20:32:30,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-22 20:32:30,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155076416] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:30,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-22 20:32:30,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-07-22 20:32:30,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184827755] [2024-07-22 20:32:30,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:30,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-22 20:32:30,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:30,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-22 20:32:30,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-07-22 20:32:30,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:30,319 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:30,319 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) [2024-07-22 20:32:30,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:30,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:30,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:30,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:30,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:30,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:30,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:32:30,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:30,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:32,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:32:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:32,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-07-22 20:32:32,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:32:32,376 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)] === [2024-07-22 20:32:32,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:32:32,376 INFO L85 PathProgramCache]: Analyzing trace with hash 853170949, now seen corresponding path program 1 times [2024-07-22 20:32:32,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:32:32,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419500147] [2024-07-22 20:32:32,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:32:32,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:32:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:32:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-22 20:32:32,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:32:32,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419500147] [2024-07-22 20:32:32,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419500147] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:32:32,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:32:32,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-07-22 20:32:32,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887783271] [2024-07-22 20:32:32,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:32:32,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-07-22 20:32:32,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:32:32,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-07-22 20:32:32,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-07-22 20:32:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:32,612 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:32:32,612 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) [2024-07-22 20:32:32,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:32,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:32,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:32,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:32,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:32,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:32,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:32:32,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:32,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:32,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:32:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:32:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:32:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 20:32:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:34,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 20:32:34,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 7 remaining) [2024-07-22 20:32:34,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 7 remaining) [2024-07-22 20:32:34,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 7 remaining) [2024-07-22 20:32:34,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2024-07-22 20:32:34,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-07-22 20:32:34,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-07-22 20:32:34,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2024-07-22 20:32:34,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-07-22 20:32:34,266 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2024-07-22 20:32:34,268 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/2) [2024-07-22 20:32:34,269 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 20:32:34,269 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 20:32:34,271 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-07-22 20:32:34,271 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-07-22 20:32:34,272 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 08:32:34 BasicIcfg [2024-07-22 20:32:34,272 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 20:32:34,272 INFO L158 Benchmark]: Toolchain (without parser) took 18684.54ms. Allocated memory was 153.1MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 76.4MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 788.6MB. Max. memory is 16.1GB. [2024-07-22 20:32:34,272 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 78.4MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 20:32:34,273 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 153.1MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 20:32:34,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 723.43ms. Allocated memory is still 153.1MB. Free memory was 76.2MB in the beginning and 95.1MB in the end (delta: -18.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-07-22 20:32:34,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.80ms. Allocated memory is still 153.1MB. Free memory was 95.1MB in the beginning and 92.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 20:32:34,273 INFO L158 Benchmark]: Boogie Preprocessor took 62.64ms. Allocated memory is still 153.1MB. Free memory was 92.5MB in the beginning and 89.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-22 20:32:34,273 INFO L158 Benchmark]: RCFGBuilder took 694.33ms. Allocated memory is still 153.1MB. Free memory was 89.7MB in the beginning and 118.4MB in the end (delta: -28.8MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-07-22 20:32:34,273 INFO L158 Benchmark]: TraceAbstraction took 17136.46ms. Allocated memory was 153.1MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 117.4MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 827.5MB. Max. memory is 16.1GB. [2024-07-22 20:32:34,275 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 78.4MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 153.1MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 723.43ms. Allocated memory is still 153.1MB. Free memory was 76.2MB in the beginning and 95.1MB in the end (delta: -18.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.80ms. Allocated memory is still 153.1MB. Free memory was 95.1MB in the beginning and 92.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.64ms. Allocated memory is still 153.1MB. Free memory was 92.5MB in the beginning and 89.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 694.33ms. Allocated memory is still 153.1MB. Free memory was 89.7MB in the beginning and 118.4MB in the end (delta: -28.8MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * TraceAbstraction took 17136.46ms. Allocated memory was 153.1MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 117.4MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 827.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 356506, independent: 326876, independent conditional: 323469, independent unconditional: 3407, dependent: 29630, dependent conditional: 29501, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 329324, independent: 326876, independent conditional: 323469, independent unconditional: 3407, dependent: 2448, dependent conditional: 2319, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 329324, independent: 326876, independent conditional: 323469, independent unconditional: 3407, dependent: 2448, dependent conditional: 2319, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 353135, independent: 326876, independent conditional: 6014, independent unconditional: 320862, dependent: 26259, dependent conditional: 17797, dependent unconditional: 8462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 353135, independent: 326876, independent conditional: 6014, independent unconditional: 320862, dependent: 26259, dependent conditional: 9939, dependent unconditional: 16320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 353135, independent: 326876, independent conditional: 6014, independent unconditional: 320862, dependent: 26259, dependent conditional: 9939, dependent unconditional: 16320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2750, independent: 2462, independent conditional: 99, independent unconditional: 2363, dependent: 288, dependent conditional: 151, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2750, independent: 2279, independent conditional: 0, independent unconditional: 2279, dependent: 471, dependent conditional: 0, dependent unconditional: 471, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 471, independent: 183, independent conditional: 99, independent unconditional: 84, dependent: 288, dependent conditional: 151, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 471, independent: 183, independent conditional: 99, independent unconditional: 84, dependent: 288, dependent conditional: 151, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 785, independent: 340, independent conditional: 165, independent unconditional: 174, dependent: 446, dependent conditional: 230, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 353135, independent: 324414, independent conditional: 5915, independent unconditional: 318499, dependent: 25971, dependent conditional: 9788, dependent unconditional: 16183, unknown: 2750, unknown conditional: 250, unknown unconditional: 2500] , Statistics on independence cache: Total cache size (in pairs): 2750, Positive cache size: 2462, Positive conditional cache size: 99, Positive unconditional cache size: 2363, Negative cache size: 288, Negative conditional cache size: 151, Negative unconditional cache size: 137, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7858, Maximal queried relation: 9, Independence queries for same thread: 27182 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.0s, Number of persistent set computation: 15611, Number of trivial persistent sets: 13654, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3536, independent: 3407, independent conditional: 0, independent unconditional: 3407, 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: 356506, independent: 326876, independent conditional: 323469, independent unconditional: 3407, dependent: 29630, dependent conditional: 29501, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 329324, independent: 326876, independent conditional: 323469, independent unconditional: 3407, dependent: 2448, dependent conditional: 2319, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 329324, independent: 326876, independent conditional: 323469, independent unconditional: 3407, dependent: 2448, dependent conditional: 2319, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 353135, independent: 326876, independent conditional: 6014, independent unconditional: 320862, dependent: 26259, dependent conditional: 17797, dependent unconditional: 8462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 353135, independent: 326876, independent conditional: 6014, independent unconditional: 320862, dependent: 26259, dependent conditional: 9939, dependent unconditional: 16320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 353135, independent: 326876, independent conditional: 6014, independent unconditional: 320862, dependent: 26259, dependent conditional: 9939, dependent unconditional: 16320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2750, independent: 2462, independent conditional: 99, independent unconditional: 2363, dependent: 288, dependent conditional: 151, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2750, independent: 2279, independent conditional: 0, independent unconditional: 2279, dependent: 471, dependent conditional: 0, dependent unconditional: 471, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 471, independent: 183, independent conditional: 99, independent unconditional: 84, dependent: 288, dependent conditional: 151, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 471, independent: 183, independent conditional: 99, independent unconditional: 84, dependent: 288, dependent conditional: 151, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 785, independent: 340, independent conditional: 165, independent unconditional: 174, dependent: 446, dependent conditional: 230, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 353135, independent: 324414, independent conditional: 5915, independent unconditional: 318499, dependent: 25971, dependent conditional: 9788, dependent unconditional: 16183, unknown: 2750, unknown conditional: 250, unknown unconditional: 2500] , Statistics on independence cache: Total cache size (in pairs): 2750, Positive cache size: 2462, Positive conditional cache size: 99, Positive unconditional cache size: 2363, Negative cache size: 288, Negative conditional cache size: 151, Negative unconditional cache size: 137, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7858, Maximal queried relation: 9, Independence queries for same thread: 27182 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 486893, independent: 458139, independent conditional: 454867, 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: 461337, independent: 458139, independent conditional: 454867, 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: 461337, independent: 458139, independent conditional: 454867, 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: 497444, independent: 458139, independent conditional: 7851, independent unconditional: 450288, 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: 497444, independent: 458139, independent conditional: 7851, independent unconditional: 450288, 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: 497444, independent: 458139, independent conditional: 7851, independent unconditional: 450288, 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: 542, independent: 238, independent conditional: 135, independent unconditional: 102, dependent: 304, dependent conditional: 76, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 497444, independent: 455751, independent conditional: 7781, independent unconditional: 447970, 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: 0.7s, 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: 486893, independent: 458139, independent conditional: 454867, 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: 461337, independent: 458139, independent conditional: 454867, 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: 461337, independent: 458139, independent conditional: 454867, 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: 497444, independent: 458139, independent conditional: 7851, independent unconditional: 450288, 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: 497444, independent: 458139, independent conditional: 7851, independent unconditional: 450288, 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: 497444, independent: 458139, independent conditional: 7851, independent unconditional: 450288, 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: 542, independent: 238, independent conditional: 135, independent unconditional: 102, dependent: 304, dependent conditional: 76, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 497444, independent: 455751, independent conditional: 7781, independent unconditional: 447970, 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: 9.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 5.5s, 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: 51, 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, 2.4s InterpolantComputationTime, 1547 NumberOfCodeBlocks, 1547 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1680 ConstructedInterpolants, 5 QuantifiedInterpolants, 3574 SizeOfPredicates, 3 NumberOfNonLiveVariables, 700 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 2863/2875 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: 7.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 4.6s, 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, 1008/1037 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! [2024-07-22 20:32:34,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2024-07-22 20:32:34,519 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 [2024-07-22 20:32:34,728 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