./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/chl-chromosome-opt-symm.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c ./goblint.2024-09-02_08-21-23.files/protection-ghost/chl-chromosome-opt-symm.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 12:02:32,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 12:02:32,856 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 12:02:32,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 12:02:32,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 12:02:32,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 12:02:32,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 12:02:32,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 12:02:32,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 12:02:32,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 12:02:32,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 12:02:32,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 12:02:32,895 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 12:02:32,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 12:02:32,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 12:02:32,897 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 12:02:32,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 12:02:32,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 12:02:32,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 12:02:32,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 12:02:32,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 12:02:32,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 12:02:32,901 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 12:02:32,902 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 12:02:32,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 12:02:32,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 12:02:32,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 12:02:32,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 12:02:32,903 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 12:02:32,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 12:02:32,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 12:02:32,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 12:02:32,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 12:02:32,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 12:02:32,904 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 12:02:32,904 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 12:02:32,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 12:02:32,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 12:02:32,904 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 12:02:32,905 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 12:02:32,905 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 12:02:32,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 12:02:33,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 12:02:33,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 12:02:33,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 12:02:33,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 12:02:33,209 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 12:02:33,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c [2024-09-08 12:02:34,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 12:02:34,751 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 12:02:34,752 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c [2024-09-08 12:02:34,762 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d52ff3be7/899ccb152fc64decab1afb6319a0d1fa/FLAG7def8107b [2024-09-08 12:02:34,798 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d52ff3be7/899ccb152fc64decab1afb6319a0d1fa [2024-09-08 12:02:34,801 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 12:02:34,802 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 12:02:34,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/chl-chromosome-opt-symm.wvr.yml/witness.yml [2024-09-08 12:02:34,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 12:02:34,868 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 12:02:34,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 12:02:34,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 12:02:34,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 12:02:34,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:02:34" (1/2) ... [2024-09-08 12:02:34,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a6ea9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:34, skipping insertion in model container [2024-09-08 12:02:34,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:02:34" (1/2) ... [2024-09-08 12:02:34,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4133cc94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:34, skipping insertion in model container [2024-09-08 12:02:34,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:02:34" (2/2) ... [2024-09-08 12:02:34,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a6ea9d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:34, skipping insertion in model container [2024-09-08 12:02:34,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:02:34" (2/2) ... [2024-09-08 12:02:34,897 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 12:02:34,897 INFO L1541 ArrayList]: Location invariant before [L88-L88] (! multithreaded || ((res2 == -1 || res2 == 0) || res2 == 1)) && (! multithreaded || ((res1 == -1 || res1 == 0) || res1 == 1)) [2024-09-08 12:02:34,898 INFO L1541 ArrayList]: Location invariant before [L89-L89] (! multithreaded || ((res2 == -1 || res2 == 0) || res2 == 1)) && (! multithreaded || ((res1 == -1 || res1 == 0) || res1 == 1)) [2024-09-08 12:02:34,898 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 12:02:34,898 INFO L1541 ArrayList]: ghost_update [L87-L87] multithreaded = 1; [2024-09-08 12:02:34,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 12:02:35,118 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c[2592,2605] [2024-09-08 12:02:35,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 12:02:35,140 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 12:02:35,207 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c[2592,2605] [2024-09-08 12:02:35,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 12:02:35,230 INFO L204 MainTranslator]: Completed translation [2024-09-08 12:02:35,231 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:35 WrapperNode [2024-09-08 12:02:35,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 12:02:35,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 12:02:35,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 12:02:35,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 12:02:35,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:35" (1/1) ... [2024-09-08 12:02:35,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:35" (1/1) ... [2024-09-08 12:02:35,288 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 176 [2024-09-08 12:02:35,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 12:02:35,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 12:02:35,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 12:02:35,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 12:02:35,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:35" (1/1) ... [2024-09-08 12:02:35,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:35" (1/1) ... [2024-09-08 12:02:35,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:35" (1/1) ... [2024-09-08 12:02:35,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:35" (1/1) ... [2024-09-08 12:02:35,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:35" (1/1) ... [2024-09-08 12:02:35,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:35" (1/1) ... [2024-09-08 12:02:35,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:35" (1/1) ... [2024-09-08 12:02:35,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:35" (1/1) ... [2024-09-08 12:02:35,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 12:02:35,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 12:02:35,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 12:02:35,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 12:02:35,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:35" (1/1) ... [2024-09-08 12:02:35,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 12:02:35,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:35,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-08 12:02:35,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-08 12:02:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 12:02:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 12:02:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 12:02:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 12:02:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 12:02:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 12:02:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 12:02:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 12:02:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 12:02:35,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 12:02:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 12:02:35,432 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 12:02:35,525 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 12:02:35,527 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 12:02:35,820 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 12:02:35,820 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 12:02:36,087 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 12:02:36,088 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-08 12:02:36,089 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:02:36 BoogieIcfgContainer [2024-09-08 12:02:36,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 12:02:36,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 12:02:36,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 12:02:36,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 12:02:36,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 12:02:34" (1/4) ... [2024-09-08 12:02:36,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21cdbd32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:02:36, skipping insertion in model container [2024-09-08 12:02:36,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:02:34" (2/4) ... [2024-09-08 12:02:36,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21cdbd32 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 12:02:36, skipping insertion in model container [2024-09-08 12:02:36,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:35" (3/4) ... [2024-09-08 12:02:36,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21cdbd32 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 12:02:36, skipping insertion in model container [2024-09-08 12:02:36,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:02:36" (4/4) ... [2024-09-08 12:02:36,101 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2024-09-08 12:02:36,138 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 12:02:36,138 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-08 12:02:36,138 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 12:02:36,219 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-08 12:02:36,264 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 12:02:36,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 12:02:36,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:36,266 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 12:02:36,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-08 12:02:36,301 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 12:02:36,315 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 12:02:36,325 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@41d61d4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 12:02:36,325 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-08 12:02:36,412 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:36,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:36,418 INFO L85 PathProgramCache]: Analyzing trace with hash -384762881, now seen corresponding path program 1 times [2024-09-08 12:02:36,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:36,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065391620] [2024-09-08 12:02:36,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:36,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:02:36,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:36,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065391620] [2024-09-08 12:02:36,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065391620] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:02:36,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 12:02:36,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 12:02:36,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109710493] [2024-09-08 12:02:36,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:02:36,755 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 12:02:36,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:36,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 12:02:36,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 12:02:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:36,786 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:36,787 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:02:36,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:36,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:36,892 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 12:02:36,892 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:36,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:36,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1349095612, now seen corresponding path program 1 times [2024-09-08 12:02:36,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:36,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529570893] [2024-09-08 12:02:36,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:36,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:37,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:02:37,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:37,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529570893] [2024-09-08 12:02:37,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529570893] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:02:37,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 12:02:37,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 12:02:37,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217255458] [2024-09-08 12:02:37,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:02:37,127 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 12:02:37,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:37,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 12:02:37,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-08 12:02:37,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:37,130 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:37,130 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:02:37,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:37,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:37,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:37,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:37,246 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 12:02:37,246 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:37,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:37,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1639578152, now seen corresponding path program 1 times [2024-09-08 12:02:37,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:37,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166983173] [2024-09-08 12:02:37,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:37,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:02:37,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:37,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166983173] [2024-09-08 12:02:37,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166983173] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:02:37,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781968928] [2024-09-08 12:02:37,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:37,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:37,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:37,400 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) [2024-09-08 12:02:37,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 12:02:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:37,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-08 12:02:37,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:02:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 12:02:37,555 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 12:02:37,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781968928] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:02:37,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 12:02:37,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-09-08 12:02:37,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532886903] [2024-09-08 12:02:37,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:02:37,556 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 12:02:37,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:37,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 12:02:37,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-08 12:02:37,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:37,560 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:37,561 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:02:37,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:37,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:37,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:37,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:37,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:37,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-08 12:02:37,864 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-09-08 12:02:37,864 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:37,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:37,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1389499110, now seen corresponding path program 1 times [2024-09-08 12:02:37,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:37,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736458983] [2024-09-08 12:02:37,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:37,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 12:02:37,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:37,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736458983] [2024-09-08 12:02:37,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736458983] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:02:37,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028370019] [2024-09-08 12:02:37,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:37,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:37,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:37,995 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:02:37,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-08 12:02:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:38,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-08 12:02:38,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:02:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 12:02:38,133 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:02:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 12:02:38,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028370019] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:02:38,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:02:38,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9 [2024-09-08 12:02:38,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264623528] [2024-09-08 12:02:38,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:02:38,165 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-08 12:02:38,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:38,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-08 12:02:38,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-09-08 12:02:38,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:38,169 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:38,169 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:02:38,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:38,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:38,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:38,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:38,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:38,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:38,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:38,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:38,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-08 12:02:38,534 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:38,535 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:38,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:38,535 INFO L85 PathProgramCache]: Analyzing trace with hash 728138330, now seen corresponding path program 2 times [2024-09-08 12:02:38,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:38,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578894074] [2024-09-08 12:02:38,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:38,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:38,697 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-08 12:02:38,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:38,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578894074] [2024-09-08 12:02:38,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578894074] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:02:38,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577439624] [2024-09-08 12:02:38,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 12:02:38,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:38,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:38,700 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) [2024-09-08 12:02:38,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-08 12:02:38,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 12:02:38,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:02:38,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 12:02:38,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:02:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-09-08 12:02:38,917 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:02:39,005 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-09-08 12:02:39,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577439624] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:02:39,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:02:39,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-09-08 12:02:39,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021815059] [2024-09-08 12:02:39,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:02:39,008 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-08 12:02:39,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:39,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-08 12:02:39,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-09-08 12:02:39,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:39,011 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:39,011 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:02:39,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:39,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:39,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:39,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:39,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:39,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:39,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:39,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-08 12:02:39,375 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:39,376 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:39,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:39,376 INFO L85 PathProgramCache]: Analyzing trace with hash 829816990, now seen corresponding path program 3 times [2024-09-08 12:02:39,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:39,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262811684] [2024-09-08 12:02:39,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:39,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:39,585 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-08 12:02:39,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:39,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262811684] [2024-09-08 12:02:39,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262811684] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:02:39,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535393410] [2024-09-08 12:02:39,586 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 12:02:39,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:39,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:39,588 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) [2024-09-08 12:02:39,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-08 12:02:39,699 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-08 12:02:39,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:02:39,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-08 12:02:39,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:02:39,977 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-09-08 12:02:39,977 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 12:02:39,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535393410] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:02:39,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 12:02:39,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 15 [2024-09-08 12:02:39,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86068773] [2024-09-08 12:02:39,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:02:39,979 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-08 12:02:39,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:39,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-08 12:02:39,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-09-08 12:02:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:39,980 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:39,980 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:02:39,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:39,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:39,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:39,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:39,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:39,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:40,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:40,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:40,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:40,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:40,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:40,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:02:40,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-08 12:02:40,470 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-09-08 12:02:40,470 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:40,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:40,470 INFO L85 PathProgramCache]: Analyzing trace with hash 933616535, now seen corresponding path program 1 times [2024-09-08 12:02:40,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:40,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439663320] [2024-09-08 12:02:40,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:40,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:40,644 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-08 12:02:40,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:40,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439663320] [2024-09-08 12:02:40,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439663320] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:02:40,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639611314] [2024-09-08 12:02:40,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:40,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:40,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:40,647 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:02:40,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-08 12:02:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:40,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-08 12:02:40,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:02:40,833 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-08 12:02:40,833 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:02:40,938 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-08 12:02:40,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639611314] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:02:40,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:02:40,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2024-09-08 12:02:40,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30876504] [2024-09-08 12:02:40,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:02:40,942 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-08 12:02:40,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:40,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-08 12:02:40,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-09-08 12:02:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:40,943 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:40,943 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:02:40,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:40,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:40,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:40,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:40,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:40,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:02:40,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:41,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:41,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:41,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:41,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:41,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:41,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:02:41,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:41,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-08 12:02:41,258 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:41,259 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:41,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:41,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1010912923, now seen corresponding path program 2 times [2024-09-08 12:02:41,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:41,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165935684] [2024-09-08 12:02:41,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:41,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:42,912 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-08 12:02:42,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:42,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165935684] [2024-09-08 12:02:42,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165935684] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:02:42,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039380527] [2024-09-08 12:02:42,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 12:02:42,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:42,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:42,917 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:02:42,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-08 12:02:43,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 12:02:43,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:02:43,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-08 12:02:43,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:02:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-09-08 12:02:43,366 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:02:43,532 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-09-08 12:02:43,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 56 [2024-09-08 12:02:43,635 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-09-08 12:02:43,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039380527] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:02:43,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:02:43,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 8] total 28 [2024-09-08 12:02:43,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369475396] [2024-09-08 12:02:43,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:02:43,637 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-08 12:02:43,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:43,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-08 12:02:43,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2024-09-08 12:02:43,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:43,639 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:43,640 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.392857142857143) internal successors, (67), 28 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) [2024-09-08 12:02:43,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:43,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:43,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:43,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:43,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:43,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:02:43,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:43,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:44,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:44,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:44,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:44,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:44,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:44,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:02:44,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:44,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-08 12:02:44,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-08 12:02:44,817 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-09-08 12:02:44,818 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:44,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:44,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1933953299, now seen corresponding path program 3 times [2024-09-08 12:02:44,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:44,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491447152] [2024-09-08 12:02:44,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:44,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 37 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-08 12:02:45,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:45,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491447152] [2024-09-08 12:02:45,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491447152] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:02:45,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446599488] [2024-09-08 12:02:45,003 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 12:02:45,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:45,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:45,007 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:02:45,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-08 12:02:45,247 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-09-08 12:02:45,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:02:45,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-08 12:02:45,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:02:45,307 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-08 12:02:45,308 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 12:02:45,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446599488] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:02:45,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 12:02:45,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2024-09-08 12:02:45,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73757680] [2024-09-08 12:02:45,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:02:45,309 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-08 12:02:45,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:45,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-08 12:02:45,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-09-08 12:02:45,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:45,309 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:45,310 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:02:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:02:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-08 12:02:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:02:45,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:45,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:02:45,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:45,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-08 12:02:45,759 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:45,760 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:45,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:45,760 INFO L85 PathProgramCache]: Analyzing trace with hash -329046479, now seen corresponding path program 1 times [2024-09-08 12:02:45,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:45,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727352676] [2024-09-08 12:02:45,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:45,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 68 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-08 12:02:46,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:46,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727352676] [2024-09-08 12:02:46,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727352676] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:02:46,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983696749] [2024-09-08 12:02:46,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:46,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:46,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:46,009 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:02:46,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-08 12:02:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:46,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-08 12:02:46,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:02:46,192 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-09-08 12:02:46,193 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 12:02:46,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983696749] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:02:46,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 12:02:46,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 11 [2024-09-08 12:02:46,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101879075] [2024-09-08 12:02:46,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:02:46,194 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-08 12:02:46,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:46,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-08 12:02:46,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-09-08 12:02:46,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:46,196 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:46,196 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:02:46,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:46,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:46,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:46,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:46,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:46,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:02:46,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:46,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:02:46,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:46,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:02:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:02:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:46,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:46,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-08 12:02:46,604 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-08 12:02:46,604 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:46,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:46,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1853316900, now seen corresponding path program 1 times [2024-09-08 12:02:46,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:46,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681227931] [2024-09-08 12:02:46,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:46,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-09-08 12:02:48,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:48,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681227931] [2024-09-08 12:02:48,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681227931] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:02:48,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763296696] [2024-09-08 12:02:48,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:48,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:48,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:48,240 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:02:48,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-08 12:02:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:48,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-08 12:02:48,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:02:48,832 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-09-08 12:02:48,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 64 [2024-09-08 12:02:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-08 12:02:48,944 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:02:49,192 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-09-08 12:02:49,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 144 treesize of output 112 [2024-09-08 12:02:49,315 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-09-08 12:02:49,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763296696] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:02:49,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:02:49,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16, 9] total 38 [2024-09-08 12:02:49,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551861324] [2024-09-08 12:02:49,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:02:49,317 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-09-08 12:02:49,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:49,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-09-08 12:02:49,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1281, Unknown=0, NotChecked=0, Total=1406 [2024-09-08 12:02:49,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:49,319 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:49,319 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.3684210526315788) internal successors, (90), 38 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:02:49,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:49,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:02:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:02:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:49,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:02:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:02:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:52,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-09-08 12:02:52,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-08 12:02:52,772 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-08 12:02:52,772 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:52,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:52,773 INFO L85 PathProgramCache]: Analyzing trace with hash 633940090, now seen corresponding path program 2 times [2024-09-08 12:02:52,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:52,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644055805] [2024-09-08 12:02:52,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:52,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-08 12:02:52,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:52,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644055805] [2024-09-08 12:02:52,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644055805] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:02:52,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410204170] [2024-09-08 12:02:52,936 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 12:02:52,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:52,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:52,938 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:02:52,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-08 12:02:53,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 12:02:53,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:02:53,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-08 12:02:53,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:02:53,167 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-08 12:02:53,167 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:02:53,250 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-08 12:02:53,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410204170] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:02:53,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:02:53,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 10 [2024-09-08 12:02:53,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448040343] [2024-09-08 12:02:53,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:02:53,252 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-08 12:02:53,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:53,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-08 12:02:53,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-09-08 12:02:53,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:53,254 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:53,254 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:02:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:02:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:02:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:53,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-09-08 12:02:53,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:53,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:02:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:02:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-09-08 12:02:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:53,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-09-08 12:02:53,839 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:53,839 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:53,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:53,840 INFO L85 PathProgramCache]: Analyzing trace with hash -515120934, now seen corresponding path program 2 times [2024-09-08 12:02:53,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:53,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289133899] [2024-09-08 12:02:53,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:53,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-08 12:02:55,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:55,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289133899] [2024-09-08 12:02:55,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289133899] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:02:55,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104915678] [2024-09-08 12:02:55,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 12:02:55,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:02:55,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:55,042 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:02:55,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-08 12:02:55,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 12:02:55,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:02:55,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-09-08 12:02:55,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:02:55,672 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-09-08 12:02:55,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 30 [2024-09-08 12:02:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-09-08 12:02:55,695 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:02:55,814 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-09-08 12:02:55,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 111 treesize of output 95 [2024-09-08 12:02:55,909 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-09-08 12:02:55,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104915678] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:02:55,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:02:55,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 8] total 36 [2024-09-08 12:02:55,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14775209] [2024-09-08 12:02:55,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:02:55,910 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-08 12:02:55,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:55,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-08 12:02:55,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1119, Unknown=0, NotChecked=0, Total=1260 [2024-09-08 12:02:55,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:55,912 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:55,912 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.361111111111111) internal successors, (85), 36 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) [2024-09-08 12:02:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:02:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:02:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-09-08 12:02:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:02:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-08 12:02:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-09-08 12:02:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:58,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:02:58,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-09-08 12:02:58,640 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-09-08 12:02:58,640 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:58,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:58,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1297992517, now seen corresponding path program 1 times [2024-09-08 12:02:58,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:58,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974456879] [2024-09-08 12:02:58,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:58,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:58,885 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-09-08 12:02:58,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:58,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974456879] [2024-09-08 12:02:58,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974456879] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:02:58,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 12:02:58,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 12:02:58,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145117925] [2024-09-08 12:02:58,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:02:58,887 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 12:02:58,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:58,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 12:02:58,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-08 12:02:58,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:58,887 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:58,888 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:02:58,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:58,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:58,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:58,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:58,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:58,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:02:58,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:58,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-08 12:02:58,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:58,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:58,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-09-08 12:02:58,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:58,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:02:58,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:02:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-08 12:02:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-09-08 12:02:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:59,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-09-08 12:02:59,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 12:02:59,260 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-08 12:02:59,260 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 12:02:59,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:59,260 INFO L85 PathProgramCache]: Analyzing trace with hash 968473010, now seen corresponding path program 1 times [2024-09-08 12:02:59,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:59,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981110412] [2024-09-08 12:02:59,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:59,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:59,457 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-08 12:02:59,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:59,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981110412] [2024-09-08 12:02:59,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981110412] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:02:59,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 12:02:59,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 12:02:59,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229541291] [2024-09-08 12:02:59,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:02:59,459 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 12:02:59,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:59,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 12:02:59,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-08 12:02:59,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:59,461 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:59,461 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:02:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:02:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:02:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:02:59,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-08 12:02:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-09-08 12:02:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:02:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-09-08 12:02:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 12:02:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:03:01,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:03:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:03:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:03:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:03:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:03:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:03:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:03:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-08 12:03:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:03:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 12:03:01,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-09-08 12:03:01,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 12:03:01,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-09-08 12:03:01,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 12:03:01,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 12:03:01,157 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-09-08 12:03:01,157 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-09-08 12:03:01,157 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-09-08 12:03:01,157 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-09-08 12:03:01,158 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-09-08 12:03:01,158 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-08 12:03:01,162 INFO L408 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1] [2024-09-08 12:03:01,165 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 12:03:01,165 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 12:03:01,166 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-08 12:03:01,167 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-08 12:03:01,167 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 12:03:01 BasicIcfg [2024-09-08 12:03:01,167 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 12:03:01,168 INFO L158 Benchmark]: Toolchain (without parser) took 26300.60ms. Allocated memory was 176.2MB in the beginning and 488.6MB in the end (delta: 312.5MB). Free memory was 141.8MB in the beginning and 409.4MB in the end (delta: -267.7MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-09-08 12:03:01,168 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 12:03:01,168 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 12:03:01,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.32ms. Allocated memory is still 176.2MB. Free memory was 141.8MB in the beginning and 126.9MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-08 12:03:01,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.47ms. Allocated memory is still 176.2MB. Free memory was 126.9MB in the beginning and 124.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 12:03:01,169 INFO L158 Benchmark]: Boogie Preprocessor took 49.13ms. Allocated memory is still 176.2MB. Free memory was 124.8MB in the beginning and 122.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 12:03:01,169 INFO L158 Benchmark]: RCFGBuilder took 750.88ms. Allocated memory is still 176.2MB. Free memory was 122.9MB in the beginning and 71.8MB in the end (delta: 51.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-08 12:03:01,169 INFO L158 Benchmark]: TraceAbstraction took 25075.05ms. Allocated memory was 176.2MB in the beginning and 488.6MB in the end (delta: 312.5MB). Free memory was 71.1MB in the beginning and 409.4MB in the end (delta: -338.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 12:03:01,170 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.32ms. Allocated memory is still 176.2MB. Free memory was 141.8MB in the beginning and 126.9MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.47ms. Allocated memory is still 176.2MB. Free memory was 126.9MB in the beginning and 124.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.13ms. Allocated memory is still 176.2MB. Free memory was 124.8MB in the beginning and 122.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 750.88ms. Allocated memory is still 176.2MB. Free memory was 122.9MB in the beginning and 71.8MB in the end (delta: 51.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 25075.05ms. Allocated memory was 176.2MB in the beginning and 488.6MB in the end (delta: 312.5MB). Free memory was 71.1MB in the beginning and 409.4MB in the end (delta: -338.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5089, independent: 4153, independent conditional: 3787, independent unconditional: 366, dependent: 936, dependent conditional: 927, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4169, independent: 4153, independent conditional: 3787, independent unconditional: 366, dependent: 16, dependent conditional: 7, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4169, independent: 4153, independent conditional: 3787, independent unconditional: 366, dependent: 16, dependent conditional: 7, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4543, independent: 4153, independent conditional: 3787, independent unconditional: 366, dependent: 390, dependent conditional: 381, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4543, independent: 4153, independent conditional: 191, independent unconditional: 3962, dependent: 390, dependent conditional: 116, dependent unconditional: 274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4543, independent: 4153, independent conditional: 191, independent unconditional: 3962, dependent: 390, dependent conditional: 116, dependent unconditional: 274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 388, independent: 350, independent conditional: 27, independent unconditional: 323, dependent: 38, dependent conditional: 26, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 388, independent: 322, independent conditional: 0, independent unconditional: 322, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 28, independent conditional: 27, independent unconditional: 1, dependent: 38, dependent conditional: 26, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 28, independent conditional: 27, independent unconditional: 1, dependent: 38, dependent conditional: 26, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 201, independent: 113, independent conditional: 81, independent unconditional: 31, dependent: 88, dependent conditional: 52, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4543, independent: 3803, independent conditional: 164, independent unconditional: 3639, dependent: 352, dependent conditional: 90, dependent unconditional: 262, unknown: 388, unknown conditional: 53, unknown unconditional: 335] , Statistics on independence cache: Total cache size (in pairs): 388, Positive cache size: 350, Positive conditional cache size: 27, Positive unconditional cache size: 323, Negative cache size: 38, Negative conditional cache size: 26, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3861, Maximal queried relation: 10, Independence queries for same thread: 920, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 116, Number of trivial persistent sets: 104, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 375, independent: 366, independent conditional: 0, independent unconditional: 366, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5089, independent: 4153, independent conditional: 3787, independent unconditional: 366, dependent: 936, dependent conditional: 927, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4169, independent: 4153, independent conditional: 3787, independent unconditional: 366, dependent: 16, dependent conditional: 7, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4169, independent: 4153, independent conditional: 3787, independent unconditional: 366, dependent: 16, dependent conditional: 7, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4543, independent: 4153, independent conditional: 3787, independent unconditional: 366, dependent: 390, dependent conditional: 381, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4543, independent: 4153, independent conditional: 191, independent unconditional: 3962, dependent: 390, dependent conditional: 116, dependent unconditional: 274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4543, independent: 4153, independent conditional: 191, independent unconditional: 3962, dependent: 390, dependent conditional: 116, dependent unconditional: 274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 388, independent: 350, independent conditional: 27, independent unconditional: 323, dependent: 38, dependent conditional: 26, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 388, independent: 322, independent conditional: 0, independent unconditional: 322, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 28, independent conditional: 27, independent unconditional: 1, dependent: 38, dependent conditional: 26, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 28, independent conditional: 27, independent unconditional: 1, dependent: 38, dependent conditional: 26, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 201, independent: 113, independent conditional: 81, independent unconditional: 31, dependent: 88, dependent conditional: 52, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4543, independent: 3803, independent conditional: 164, independent unconditional: 3639, dependent: 352, dependent conditional: 90, dependent unconditional: 262, unknown: 388, unknown conditional: 53, unknown unconditional: 335] , Statistics on independence cache: Total cache size (in pairs): 388, Positive cache size: 350, Positive conditional cache size: 27, Positive unconditional cache size: 323, Negative cache size: 38, Negative conditional cache size: 26, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3861, Maximal queried relation: 10, Independence queries for same thread: 920 - PositiveResult [Line: 88]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 89]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 93]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 41 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 24.9s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 10.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 265, 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: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 1028 NumberOfCodeBlocks, 1024 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1283 ConstructedInterpolants, 0 QuantifiedInterpolants, 6094 SizeOfPredicates, 66 NumberOfNonLiveVariables, 3121 ConjunctsInSsa, 164 ConjunctsInUnsatCore, 33 InterpolantComputations, 8 PerfectInterpolantSequences, 1153/1566 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-08 12:03:01,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-08 12:03:01,394 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