./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/26_stack_cas.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/26_stack_cas.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/pthread-ext/26_stack_cas.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/26_stack_cas.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 14:36:12,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 14:36:12,208 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 14:36:12,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 14:36:12,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 14:36:12,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 14:36:12,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 14:36:12,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 14:36:12,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 14:36:12,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 14:36:12,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 14:36:12,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 14:36:12,248 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 14:36:12,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 14:36:12,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 14:36:12,252 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 14:36:12,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 14:36:12,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 14:36:12,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 14:36:12,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 14:36:12,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 14:36:12,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 14:36:12,254 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 14:36:12,254 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 14:36:12,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 14:36:12,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 14:36:12,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 14:36:12,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 14:36:12,256 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 14:36:12,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 14:36:12,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 14:36:12,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 14:36:12,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 14:36:12,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 14:36:12,258 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 14:36:12,258 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 14:36:12,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 14:36:12,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 14:36:12,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 14:36:12,259 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 14:36:12,259 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 14:36:12,260 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 14:36:12,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 14:36:12,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 14:36:12,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 14:36:12,523 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 14:36:12,524 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 14:36:12,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/26_stack_cas.i [2024-09-08 14:36:13,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 14:36:14,280 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 14:36:14,280 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i [2024-09-08 14:36:14,300 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cccf76cbb/07fd42656afd4930b1eb08ea3fe871ca/FLAG0908a68e4 [2024-09-08 14:36:14,323 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cccf76cbb/07fd42656afd4930b1eb08ea3fe871ca [2024-09-08 14:36:14,326 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 14:36:14,327 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 14:36:14,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/26_stack_cas.yml/witness.yml [2024-09-08 14:36:14,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 14:36:14,385 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 14:36:14,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 14:36:14,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 14:36:14,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 14:36:14,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:36:14" (1/2) ... [2024-09-08 14:36:14,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5f9d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:36:14, skipping insertion in model container [2024-09-08 14:36:14,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:36:14" (1/2) ... [2024-09-08 14:36:14,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1fa719a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:36:14, skipping insertion in model container [2024-09-08 14:36:14,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:36:14" (2/2) ... [2024-09-08 14:36:14,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5f9d49 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:36:14, skipping insertion in model container [2024-09-08 14:36:14,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:36:14" (2/2) ... [2024-09-08 14:36:14,421 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 14:36:14,424 INFO L1541 ArrayList]: Location invariant before [L751-L751] (m == 0 || m == 1) && (m2 == 0 || m2 == 1) [2024-09-08 14:36:14,467 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 14:36:14,875 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i[31294,31307] [2024-09-08 14:36:14,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 14:36:14,903 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-08 14:36:14,992 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i[31294,31307] [2024-09-08 14:36:14,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 14:36:15,027 INFO L204 MainTranslator]: Completed translation [2024-09-08 14:36:15,028 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:36:15 WrapperNode [2024-09-08 14:36:15,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 14:36:15,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 14:36:15,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 14:36:15,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 14:36:15,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:36:15" (1/1) ... [2024-09-08 14:36:15,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:36:15" (1/1) ... [2024-09-08 14:36:15,081 INFO L138 Inliner]: procedures = 179, calls = 50, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 198 [2024-09-08 14:36:15,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 14:36:15,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 14:36:15,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 14:36:15,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 14:36:15,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:36:15" (1/1) ... [2024-09-08 14:36:15,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:36:15" (1/1) ... [2024-09-08 14:36:15,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:36:15" (1/1) ... [2024-09-08 14:36:15,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:36:15" (1/1) ... [2024-09-08 14:36:15,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:36:15" (1/1) ... [2024-09-08 14:36:15,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:36:15" (1/1) ... [2024-09-08 14:36:15,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:36:15" (1/1) ... [2024-09-08 14:36:15,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:36:15" (1/1) ... [2024-09-08 14:36:15,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 14:36:15,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 14:36:15,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 14:36:15,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 14:36:15,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:36:15" (1/1) ... [2024-09-08 14:36:15,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 14:36:15,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:15,151 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 14:36:15,154 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 14:36:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 14:36:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-09-08 14:36:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-09-08 14:36:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 14:36:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 14:36:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 14:36:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-08 14:36:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-08 14:36:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 14:36:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 14:36:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 14:36:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 14:36:15,196 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 14:36:15,316 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 14:36:15,318 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 14:36:15,589 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 14:36:15,590 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 14:36:15,884 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 14:36:15,884 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-08 14:36:15,885 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:36:15 BoogieIcfgContainer [2024-09-08 14:36:15,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 14:36:15,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 14:36:15,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 14:36:15,891 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 14:36:15,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:36:14" (1/4) ... [2024-09-08 14:36:15,892 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7260d88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:36:15, skipping insertion in model container [2024-09-08 14:36:15,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:36:14" (2/4) ... [2024-09-08 14:36:15,892 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7260d88f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 02:36:15, skipping insertion in model container [2024-09-08 14:36:15,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:36:15" (3/4) ... [2024-09-08 14:36:15,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7260d88f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 02:36:15, skipping insertion in model container [2024-09-08 14:36:15,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:36:15" (4/4) ... [2024-09-08 14:36:15,894 INFO L112 eAbstractionObserver]: Analyzing ICFG 26_stack_cas.i [2024-09-08 14:36:15,912 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 14:36:15,912 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-08 14:36:15,913 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 14:36:15,973 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-08 14:36:16,019 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:36:16,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 14:36:16,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:16,022 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 14:36:16,024 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 14:36:16,061 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 14:36:16,073 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-09-08 14:36:16,079 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;@174268b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:36:16,079 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-08 14:36:16,253 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:16,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:16,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1040542185, now seen corresponding path program 1 times [2024-09-08 14:36:16,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:16,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397790828] [2024-09-08 14:36:16,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:16,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:16,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:16,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:16,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397790828] [2024-09-08 14:36:16,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397790828] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:16,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:36:16,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 14:36:16,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912053569] [2024-09-08 14:36:16,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:16,652 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 14:36:16,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:16,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 14:36:16,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 14:36:16,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:16,680 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:16,682 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:36:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:16,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:16,737 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 14:36:16,737 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:16,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:16,738 INFO L85 PathProgramCache]: Analyzing trace with hash -2018172712, now seen corresponding path program 1 times [2024-09-08 14:36:16,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:16,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192133033] [2024-09-08 14:36:16,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:16,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:17,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:17,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192133033] [2024-09-08 14:36:17,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192133033] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:17,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989833692] [2024-09-08 14:36:17,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:17,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:17,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:17,214 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 14:36:17,216 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 14:36:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:17,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-08 14:36:17,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:17,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-08 14:36:17,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:17,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:17,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:17,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-09-08 14:36:17,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:17,633 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 14:36:17,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989833692] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:17,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 14:36:17,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2024-09-08 14:36:17,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339588870] [2024-09-08 14:36:17,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:17,636 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 14:36:17,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:17,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 14:36:17,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-09-08 14:36:17,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:17,639 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:17,639 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 14:36:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:17,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:17,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:17,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:17,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-08 14:36:17,924 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,SelfDestructingSolverStorable1 [2024-09-08 14:36:17,925 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:17,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:17,925 INFO L85 PathProgramCache]: Analyzing trace with hash -30205570, now seen corresponding path program 1 times [2024-09-08 14:36:17,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:17,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155965138] [2024-09-08 14:36:17,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:17,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:18,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 14:36:18,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:18,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155965138] [2024-09-08 14:36:18,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155965138] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:18,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:36:18,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 14:36:18,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982909655] [2024-09-08 14:36:18,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:18,047 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 14:36:18,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:18,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 14:36:18,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 14:36:18,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:18,048 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:18,048 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:36:18,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:18,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:18,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:18,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:18,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:18,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:18,166 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 14:36:18,167 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:18,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:18,169 INFO L85 PathProgramCache]: Analyzing trace with hash -30204545, now seen corresponding path program 1 times [2024-09-08 14:36:18,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:18,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828649934] [2024-09-08 14:36:18,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:18,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:18,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:18,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:18,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828649934] [2024-09-08 14:36:18,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828649934] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:18,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129422099] [2024-09-08 14:36:18,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:18,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:18,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:18,545 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 14:36:18,547 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 14:36:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:18,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-09-08 14:36:18,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:18,744 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-09-08 14:36:18,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-09-08 14:36:18,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-09-08 14:36:18,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:19,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:19,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:36:19,196 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 14:36:19,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-09-08 14:36:19,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-09-08 14:36:19,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:19,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129422099] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:36:19,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:36:19,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 6] total 21 [2024-09-08 14:36:19,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410626523] [2024-09-08 14:36:19,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:36:19,423 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-08 14:36:19,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:19,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-08 14:36:19,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=435, Unknown=1, NotChecked=0, Total=506 [2024-09-08 14:36:19,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:19,425 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:19,426 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.090909090909091) internal successors, (68), 22 states have internal predecessors, (68), 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 14:36:19,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:19,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:19,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:19,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:20,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:20,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:20,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:20,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:36:20,083 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 14:36:20,267 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 14:36:20,267 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:20,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:20,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1201889769, now seen corresponding path program 1 times [2024-09-08 14:36:20,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:20,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028044425] [2024-09-08 14:36:20,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:20,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:20,337 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:20,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:20,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028044425] [2024-09-08 14:36:20,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028044425] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:20,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565116070] [2024-09-08 14:36:20,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:20,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:20,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:20,340 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 14:36:20,342 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 14:36:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:20,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-09-08 14:36:20,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:20,489 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:20,489 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:36:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:20,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565116070] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:36:20,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:36:20,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-09-08 14:36:20,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136746524] [2024-09-08 14:36:20,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:36:20,537 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 14:36:20,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:20,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 14:36:20,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-09-08 14:36:20,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:20,538 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:20,538 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 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 14:36:20,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:20,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:20,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:20,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:36:20,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:20,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:20,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:20,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:20,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 14:36:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:20,698 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 14:36:20,883 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 14:36:20,884 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:20,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:20,884 INFO L85 PathProgramCache]: Analyzing trace with hash 267907496, now seen corresponding path program 1 times [2024-09-08 14:36:20,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:20,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524611370] [2024-09-08 14:36:20,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:20,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:21,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:21,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524611370] [2024-09-08 14:36:21,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524611370] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:21,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885064552] [2024-09-08 14:36:21,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:21,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:21,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:21,505 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 14:36:21,507 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 14:36:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:21,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-08 14:36:21,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:21,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-08 14:36:21,740 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-09-08 14:36:21,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-09-08 14:36:21,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:21,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:21,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:21,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:21,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2024-09-08 14:36:21,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:21,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:22,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:22,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:22,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-09-08 14:36:22,079 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:22,079 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:36:22,181 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_229 (Array Int Int)) (|~#m~0.offset| Int)) (or (= (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_229) |c_~#m2~0.base|) |c_~#m2~0.offset|) 1) (= (select (select (store |c_#memory_int| |c_~#m~0.base| (store v_ArrVal_229 |~#m~0.offset| 0)) |c_~#m2~0.base|) |c_~#m2~0.offset|) 0))) is different from false [2024-09-08 14:36:22,291 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_thr1Thread1of1ForFork0_push_~oldTop~0#1| (select (select |c_#memory_int| |c_~#top~0.base|) |c_~#top~0.offset|)))) (and (or (not .cse0) (let ((.cse1 (= |c_~#top~0.base| |c_thr1Thread1of1ForFork0_push_~#casret~0#1.base|))) (and (or (not .cse1) (forall ((v_ArrVal_229 (Array Int Int)) (v_DerPreprocessor_4 (Array Int Int)) (|~#m~0.offset| Int)) (let ((.cse2 (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_4))) (or (= (select (select (store .cse2 |c_~#m~0.base| v_ArrVal_229) |c_~#m2~0.base|) |c_~#m2~0.offset|) 1) (= 0 (select (select (store .cse2 |c_~#m~0.base| (store v_ArrVal_229 |~#m~0.offset| 0)) |c_~#m2~0.base|) |c_~#m2~0.offset|)))))) (or (forall ((v_ArrVal_229 (Array Int Int)) (v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int)) (|~#m~0.offset| Int)) (let ((.cse3 (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_5) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_6))) (or (= (select (select (store .cse3 |c_~#m~0.base| v_ArrVal_229) |c_~#m2~0.base|) |c_~#m2~0.offset|) 1) (= (select (select (store .cse3 |c_~#m~0.base| (store v_ArrVal_229 |~#m~0.offset| 0)) |c_~#m2~0.base|) |c_~#m2~0.offset|) 0)))) .cse1)))) (or (forall ((v_DerPreprocessor_3 (Array Int Int)) (v_ArrVal_229 (Array Int Int)) (|~#m~0.offset| Int)) (let ((.cse4 (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_3))) (or (= (select (select (store .cse4 |c_~#m~0.base| v_ArrVal_229) |c_~#m2~0.base|) |c_~#m2~0.offset|) 1) (= (select (select (store .cse4 |c_~#m~0.base| (store v_ArrVal_229 |~#m~0.offset| 0)) |c_~#m2~0.base|) |c_~#m2~0.offset|) 0)))) .cse0))) is different from false [2024-09-08 14:36:22,569 WARN L854 $PredicateComparison]: unable to prove that (or (let ((.cse0 (= |c_~#top~0.base| |c_thr1Thread1of1ForFork0_push_~#casret~0#1.base|))) (and (or (not .cse0) (forall ((v_ArrVal_229 (Array Int Int)) (v_DerPreprocessor_4 (Array Int Int)) (|~#m~0.offset| Int)) (let ((.cse1 (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_4))) (or (= (select (select (store .cse1 |c_~#m~0.base| v_ArrVal_229) |c_~#m2~0.base|) |c_~#m2~0.offset|) 1) (= 0 (select (select (store .cse1 |c_~#m~0.base| (store v_ArrVal_229 |~#m~0.offset| 0)) |c_~#m2~0.base|) |c_~#m2~0.offset|)))))) (or (forall ((v_ArrVal_229 (Array Int Int)) (v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int)) (|~#m~0.offset| Int)) (let ((.cse2 (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_5) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_6))) (or (= (select (select (store .cse2 |c_~#m~0.base| v_ArrVal_229) |c_~#m2~0.base|) |c_~#m2~0.offset|) 1) (= (select (select (store .cse2 |c_~#m~0.base| (store v_ArrVal_229 |~#m~0.offset| 0)) |c_~#m2~0.base|) |c_~#m2~0.offset|) 0)))) .cse0))) (and (forall ((v_ArrVal_225 (Array Int Int))) (not (= 1 (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_225) |c_~#m2~0.base|) |c_~#m2~0.offset|)))) (forall ((v_ArrVal_225 (Array Int Int))) (not (= 0 (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_225) |c_~#m2~0.base|) |c_~#m2~0.offset|)))))) is different from false [2024-09-08 14:36:22,701 WARN L854 $PredicateComparison]: unable to prove that (or (and (forall ((v_ArrVal_225 (Array Int Int))) (not (= 1 (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_225) |c_~#m2~0.base|) |c_~#m2~0.offset|)))) (forall ((v_ArrVal_225 (Array Int Int))) (not (= 0 (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_225) |c_~#m2~0.base|) |c_~#m2~0.offset|))))) (and (forall ((|v_thr1Thread1of1ForFork0_push_~#casret~0#1.base_26| Int)) (or (= |v_thr1Thread1of1ForFork0_push_~#casret~0#1.base_26| |c_~#top~0.base|) (not (= (select |c_#valid| |v_thr1Thread1of1ForFork0_push_~#casret~0#1.base_26|) 0)) (forall ((v_ArrVal_229 (Array Int Int)) (v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int)) (|~#m~0.offset| Int)) (let ((.cse0 (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_5) |v_thr1Thread1of1ForFork0_push_~#casret~0#1.base_26| v_DerPreprocessor_6))) (or (= (select (select (store .cse0 |c_~#m~0.base| (store v_ArrVal_229 |~#m~0.offset| 0)) |c_~#m2~0.base|) |c_~#m2~0.offset|) 0) (= (select (select (store .cse0 |c_~#m~0.base| v_ArrVal_229) |c_~#m2~0.base|) |c_~#m2~0.offset|) 1)))))) (or (forall ((v_ArrVal_229 (Array Int Int)) (v_DerPreprocessor_4 (Array Int Int)) (|~#m~0.offset| Int)) (let ((.cse1 (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_4))) (or (= (select (select (store .cse1 |c_~#m~0.base| v_ArrVal_229) |c_~#m2~0.base|) |c_~#m2~0.offset|) 1) (= (select (select (store .cse1 |c_~#m~0.base| (store v_ArrVal_229 |~#m~0.offset| 0)) |c_~#m2~0.base|) |c_~#m2~0.offset|) 0)))) (not (= (select |c_#valid| |c_~#top~0.base|) 0))))) is different from false [2024-09-08 14:36:22,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 14:36:22,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 114 [2024-09-08 14:36:22,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 880 treesize of output 836 [2024-09-08 14:36:22,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 332 treesize of output 316 [2024-09-08 14:36:22,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 296 treesize of output 288 [2024-09-08 14:36:22,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 288 treesize of output 284 [2024-09-08 14:36:22,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 287 [2024-09-08 14:36:22,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 277 treesize of output 273 [2024-09-08 14:36:22,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2024-09-08 14:36:22,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-09-08 14:36:23,239 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2024-09-08 14:36:23,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885064552] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:36:23,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:36:23,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 22 [2024-09-08 14:36:23,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058309658] [2024-09-08 14:36:23,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:36:23,241 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-08 14:36:23,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:23,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-08 14:36:23,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=294, Unknown=4, NotChecked=156, Total=552 [2024-09-08 14:36:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:23,243 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:23,243 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.434782608695652) internal successors, (102), 23 states have internal predecessors, (102), 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 14:36:23,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:23,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:23,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:23,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 14:36:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:23,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:23,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 14:36:23,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:23,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:36:23,829 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 14:36:24,017 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 14:36:24,018 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:24,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:24,018 INFO L85 PathProgramCache]: Analyzing trace with hash 791436063, now seen corresponding path program 1 times [2024-09-08 14:36:24,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:24,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128427892] [2024-09-08 14:36:24,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:24,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:24,666 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-09-08 14:36:24,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:24,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128427892] [2024-09-08 14:36:24,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128427892] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:24,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137214754] [2024-09-08 14:36:24,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:24,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:24,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:24,669 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 14:36:24,671 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 14:36:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:24,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-08 14:36:24,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:25,127 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-09-08 14:36:25,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2024-09-08 14:36:25,243 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:25,243 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:36:25,496 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:25,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137214754] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:36:25,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:36:25,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 7] total 27 [2024-09-08 14:36:25,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933185325] [2024-09-08 14:36:25,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:36:25,497 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-08 14:36:25,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:25,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-08 14:36:25,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=686, Unknown=6, NotChecked=0, Total=812 [2024-09-08 14:36:25,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:25,499 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:25,500 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 5.357142857142857) internal successors, (150), 28 states have internal predecessors, (150), 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 14:36:25,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:25,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:25,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:25,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 14:36:25,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:25,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:36:25,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:26,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:26,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:26,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:26,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 14:36:26,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:26,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:36:26,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-08 14:36:26,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-08 14:36:27,029 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 14:36:27,030 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:27,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:27,030 INFO L85 PathProgramCache]: Analyzing trace with hash -712014424, now seen corresponding path program 1 times [2024-09-08 14:36:27,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:27,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789978688] [2024-09-08 14:36:27,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:27,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:27,221 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-09-08 14:36:27,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:27,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789978688] [2024-09-08 14:36:27,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789978688] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:27,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:36:27,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 14:36:27,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397514123] [2024-09-08 14:36:27,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:27,224 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 14:36:27,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:27,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 14:36:27,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 14:36:27,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:27,225 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:27,225 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:36:27,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:27,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:27,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:27,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 14:36:27,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:27,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:36:27,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-08 14:36:27,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:28,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:28,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:28,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:28,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 14:36:28,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 14:36:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-09-08 14:36:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:28,343 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-08 14:36:28,344 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-09-08 14:36:28,344 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-08 14:36:28,350 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-09-08 14:36:28,352 INFO L312 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE,SAFE (1/2) [2024-09-08 14:36:28,355 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:36:28,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 14:36:28,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:28,358 INFO L229 MonitoredProcess]: Starting monitored process 8 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 14:36:28,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2024-09-08 14:36:28,362 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 14:36:28,363 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 14:36:28,364 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;@174268b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:36:28,364 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-08 14:36:28,427 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 14:36:28,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:28,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1951987706, now seen corresponding path program 1 times [2024-09-08 14:36:28,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:28,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955421185] [2024-09-08 14:36:28,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:28,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:28,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:28,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:28,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955421185] [2024-09-08 14:36:28,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955421185] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:28,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:36:28,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 14:36:28,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639816367] [2024-09-08 14:36:28,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:28,467 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 14:36:28,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:28,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 14:36:28,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 14:36:28,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:28,468 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:28,468 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:36:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:28,491 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-08 14:36:28,491 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 14:36:28,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:28,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1973047627, now seen corresponding path program 1 times [2024-09-08 14:36:28,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:28,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785999728] [2024-09-08 14:36:28,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:28,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 14:36:28,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-09-08 14:36:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 14:36:28,538 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-09-08 14:36:28,538 INFO L326 BasicCegarLoop]: Counterexample is feasible [2024-09-08 14:36:28,539 INFO L785 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-09-08 14:36:28,539 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-08 14:36:28,541 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-08 14:36:28,541 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2024-09-08 14:36:28,542 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-09-08 14:36:28,542 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-09-08 14:36:28,579 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-08 14:36:28,582 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:36:28,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 14:36:28,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:28,585 INFO L229 MonitoredProcess]: Starting monitored process 9 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 14:36:28,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2024-09-08 14:36:28,588 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 14:36:28,589 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 14:36:28,590 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;@174268b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:36:28,590 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-08 14:36:28,799 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 14:36:28,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:28,800 INFO L85 PathProgramCache]: Analyzing trace with hash -609343590, now seen corresponding path program 1 times [2024-09-08 14:36:28,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:28,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523507429] [2024-09-08 14:36:28,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:28,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 14:36:28,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:28,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523507429] [2024-09-08 14:36:28,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523507429] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:28,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:36:28,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 14:36:28,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329531891] [2024-09-08 14:36:28,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:28,843 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 14:36:28,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:28,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 14:36:28,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 14:36:28,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:28,844 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:28,844 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:36:28,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:28,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:28,891 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-08 14:36:28,891 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 14:36:28,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:28,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1909179271, now seen corresponding path program 1 times [2024-09-08 14:36:28,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:28,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231601880] [2024-09-08 14:36:28,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:28,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:28,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:28,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231601880] [2024-09-08 14:36:28,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231601880] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:28,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790859477] [2024-09-08 14:36:28,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:28,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:28,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:28,958 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 14:36:28,960 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 14:36:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:29,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-09-08 14:36:29,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:29,135 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:29,136 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:36:29,174 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:29,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790859477] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:36:29,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:36:29,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-09-08 14:36:29,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588368818] [2024-09-08 14:36:29,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:36:29,176 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 14:36:29,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:29,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 14:36:29,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-09-08 14:36:29,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:29,177 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:29,177 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:36:29,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:29,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:29,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:29,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:29,256 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 14:36:29,432 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:29,433 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 14:36:29,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:29,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1017209833, now seen corresponding path program 1 times [2024-09-08 14:36:29,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:29,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335180315] [2024-09-08 14:36:29,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:29,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 14:36:29,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:29,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335180315] [2024-09-08 14:36:29,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335180315] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:29,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:36:29,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 14:36:29,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672570531] [2024-09-08 14:36:29,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:29,574 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 14:36:29,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:29,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 14:36:29,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 14:36:29,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:29,575 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:29,575 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 14:36:29,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:29,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:29,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:29,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:29,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:29,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:29,630 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-08 14:36:29,630 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 14:36:29,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:29,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1144215043, now seen corresponding path program 1 times [2024-09-08 14:36:29,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:29,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956921596] [2024-09-08 14:36:29,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:29,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:29,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:29,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956921596] [2024-09-08 14:36:29,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956921596] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:29,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276985591] [2024-09-08 14:36:29,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:29,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:29,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:29,851 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 14:36:29,853 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 14:36:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:29,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-08 14:36:29,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:30,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-08 14:36:30,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:30,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:30,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:30,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-09-08 14:36:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:30,299 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:36:30,457 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 14:36:30,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2024-09-08 14:36:30,469 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= c_~state~0 0))) (and (or .cse0 (forall ((v_arrayElimArr_4 (Array Int Int)) (|~#m2~0.offset| Int)) (or (not (= (select v_arrayElimArr_4 |~#m2~0.offset|) 0)) (= (select (select (store |c_#memory_int| |c_~#m2~0.base| v_arrayElimArr_4) |c_~#m~0.base|) |c_~#m~0.offset|) 0)))) (or (forall ((|~#m2~0.offset| Int) (v_DerPreprocessor_9 (Array Int Int)) (v_ArrVal_585 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_9) |c_~#m2~0.base| (store (select (store (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_585) |c_~#top~0.base| v_DerPreprocessor_9) |c_~#m2~0.base|) |~#m2~0.offset| 0)) |c_~#m~0.base|) |c_~#m~0.offset|) 0)) (not .cse0)))) is different from false [2024-09-08 14:36:30,520 WARN L854 $PredicateComparison]: unable to prove that (or (let ((.cse0 (= c_~state~0 0))) (and (or .cse0 (forall ((v_arrayElimArr_4 (Array Int Int)) (|~#m2~0.offset| Int)) (or (not (= (select v_arrayElimArr_4 |~#m2~0.offset|) 0)) (= (select (select (store |c_#memory_int| |c_~#m2~0.base| v_arrayElimArr_4) |c_~#m~0.base|) |c_~#m~0.offset|) 0)))) (or (forall ((|~#m2~0.offset| Int) (v_DerPreprocessor_9 (Array Int Int)) (v_ArrVal_585 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_9) |c_~#m2~0.base| (store (select (store (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_585) |c_~#top~0.base| v_DerPreprocessor_9) |c_~#m2~0.base|) |~#m2~0.offset| 0)) |c_~#m~0.base|) |c_~#m~0.offset|) 0)) (not .cse0)))) (= |c_thr1Thread1of2ForFork0_push_~newTop~0#1| 0)) is different from false [2024-09-08 14:36:30,540 WARN L854 $PredicateComparison]: unable to prove that (or (let ((.cse0 (= c_~state~0 0))) (and (or .cse0 (forall ((v_arrayElimArr_4 (Array Int Int)) (|~#m2~0.offset| Int)) (or (not (= (select v_arrayElimArr_4 |~#m2~0.offset|) 0)) (= (select (select (store |c_#memory_int| |c_~#m2~0.base| v_arrayElimArr_4) |c_~#m~0.base|) |c_~#m~0.offset|) 0)))) (or (forall ((|~#m2~0.offset| Int) (v_DerPreprocessor_9 (Array Int Int)) (v_ArrVal_585 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_9) |c_~#m2~0.base| (store (select (store (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_585) |c_~#top~0.base| v_DerPreprocessor_9) |c_~#m2~0.base|) |~#m2~0.offset| 0)) |c_~#m~0.base|) |c_~#m~0.offset|) 0)) (not .cse0)))) (= |c_thr1Thread1of2ForFork0_index_malloc_~curr_alloc_idx~0#1| 0)) is different from false [2024-09-08 14:36:30,551 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 14:36:30,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2024-09-08 14:36:30,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-09-08 14:36:30,565 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 14:36:30,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 33 [2024-09-08 14:36:30,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 194 [2024-09-08 14:36:30,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 88 [2024-09-08 14:36:30,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 72 [2024-09-08 14:36:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-09-08 14:36:30,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276985591] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:36:30,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:36:30,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 10] total 22 [2024-09-08 14:36:30,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806455099] [2024-09-08 14:36:30,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:36:30,759 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-08 14:36:30,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:30,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-08 14:36:30,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=278, Unknown=8, NotChecked=114, Total=506 [2024-09-08 14:36:30,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:30,760 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:30,761 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.4782608695652173) internal successors, (80), 22 states have internal predecessors, (80), 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 14:36:30,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:30,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:30,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:30,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:31,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:31,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:31,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:31,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:36:31,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-08 14:36:31,332 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,SelfDestructingSolverStorable13 [2024-09-08 14:36:31,333 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 14:36:31,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:31,333 INFO L85 PathProgramCache]: Analyzing trace with hash -862726886, now seen corresponding path program 1 times [2024-09-08 14:36:31,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:31,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601831542] [2024-09-08 14:36:31,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:31,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:31,429 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 14:36:31,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:31,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601831542] [2024-09-08 14:36:31,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601831542] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:31,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:36:31,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 14:36:31,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398117472] [2024-09-08 14:36:31,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:31,431 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 14:36:31,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:31,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 14:36:31,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 14:36:31,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:31,431 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:31,432 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:36:31,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:31,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:31,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:31,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:36:31,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:31,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:31,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:31,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:36:31,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:31,588 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-08 14:36:31,588 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 14:36:31,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:31,589 INFO L85 PathProgramCache]: Analyzing trace with hash 510816190, now seen corresponding path program 1 times [2024-09-08 14:36:31,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:31,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506123743] [2024-09-08 14:36:31,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:31,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:32,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:32,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506123743] [2024-09-08 14:36:32,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506123743] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:32,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131595602] [2024-09-08 14:36:32,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:32,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:32,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:32,117 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 14:36:32,118 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 14:36:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:32,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-09-08 14:36:32,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:32,341 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-09-08 14:36:32,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-09-08 14:36:32,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-09-08 14:36:32,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:32,539 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:36:32,690 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 14:36:32,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-09-08 14:36:32,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-09-08 14:36:32,856 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:32,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131595602] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:36:32,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:36:32,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 27 [2024-09-08 14:36:32,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856608938] [2024-09-08 14:36:32,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:36:32,858 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-08 14:36:32,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:32,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-08 14:36:32,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=628, Unknown=5, NotChecked=0, Total=756 [2024-09-08 14:36:32,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:32,859 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:32,859 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.4642857142857144) internal successors, (97), 27 states have internal predecessors, (97), 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 14:36:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:36:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:32,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:36:33,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:33,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 14:36:33,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-09-08 14:36:33,619 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:33,620 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 14:36:33,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:33,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1296638273, now seen corresponding path program 1 times [2024-09-08 14:36:33,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:33,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494639729] [2024-09-08 14:36:33,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:33,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 14:36:33,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-09-08 14:36:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 14:36:33,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-09-08 14:36:33,697 INFO L326 BasicCegarLoop]: Counterexample is feasible [2024-09-08 14:36:33,697 INFO L785 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-09-08 14:36:33,697 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-08 14:36:33,698 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-09-08 14:36:33,699 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2024-09-08 14:36:33,699 WARN L239 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-09-08 14:36:33,699 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-09-08 14:36:33,739 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-08 14:36:33,741 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:36:33,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 14:36:33,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:33,742 INFO L229 MonitoredProcess]: Starting monitored process 13 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 14:36:33,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Waiting until timeout for monitored process [2024-09-08 14:36:33,745 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 14:36:33,745 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2024-09-08 14:36:33,746 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;@174268b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:36:33,746 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-08 14:36:34,060 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:34,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:34,061 INFO L85 PathProgramCache]: Analyzing trace with hash -213410961, now seen corresponding path program 1 times [2024-09-08 14:36:34,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:34,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191987698] [2024-09-08 14:36:34,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:34,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:34,122 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-08 14:36:34,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:34,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191987698] [2024-09-08 14:36:34,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191987698] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:34,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:36:34,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 14:36:34,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317265754] [2024-09-08 14:36:34,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:34,123 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 14:36:34,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:34,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 14:36:34,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 14:36:34,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:34,124 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:34,124 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 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 14:36:34,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:34,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:34,195 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-09-08 14:36:34,195 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:34,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:34,196 INFO L85 PathProgramCache]: Analyzing trace with hash -203721767, now seen corresponding path program 1 times [2024-09-08 14:36:34,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:34,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277267938] [2024-09-08 14:36:34,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:34,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 14:36:34,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:34,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277267938] [2024-09-08 14:36:34,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277267938] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:34,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573174224] [2024-09-08 14:36:34,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:34,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:34,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:34,263 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:36:34,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-08 14:36:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:34,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-09-08 14:36:34,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:34,495 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 14:36:34,496 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:36:34,579 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 14:36:34,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573174224] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:36:34,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:36:34,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-09-08 14:36:34,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315654620] [2024-09-08 14:36:34,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:36:34,580 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 14:36:34,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:34,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 14:36:34,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-09-08 14:36:34,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:34,581 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:34,581 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 6 states have internal predecessors, (98), 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 14:36:34,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:34,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:34,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:34,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:34,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-09-08 14:36:34,883 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:34,884 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:34,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:34,884 INFO L85 PathProgramCache]: Analyzing trace with hash -78370665, now seen corresponding path program 1 times [2024-09-08 14:36:34,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:34,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044566931] [2024-09-08 14:36:34,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:34,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-08 14:36:35,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:35,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044566931] [2024-09-08 14:36:35,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044566931] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:35,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:36:35,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 14:36:35,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071551524] [2024-09-08 14:36:35,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:35,004 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 14:36:35,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:35,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 14:36:35,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 14:36:35,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:35,005 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:35,005 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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 14:36:35,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:35,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:35,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:35,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:35,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:35,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:35,209 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-09-08 14:36:35,209 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:35,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:35,209 INFO L85 PathProgramCache]: Analyzing trace with hash 241504629, now seen corresponding path program 1 times [2024-09-08 14:36:35,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:35,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917311812] [2024-09-08 14:36:35,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:35,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-09-08 14:36:35,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:35,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917311812] [2024-09-08 14:36:35,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917311812] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:35,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:36:35,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 14:36:35,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912573089] [2024-09-08 14:36:35,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:35,337 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 14:36:35,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:35,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 14:36:35,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 14:36:35,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:35,339 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:35,339 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 14:36:35,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:35,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:35,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:35,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:35,524 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-09-08 14:36:35,524 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:35,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:35,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1192403510, now seen corresponding path program 1 times [2024-09-08 14:36:35,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:35,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364685881] [2024-09-08 14:36:35,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:35,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:36,159 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 14:36:36,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:36,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364685881] [2024-09-08 14:36:36,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364685881] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:36,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991945779] [2024-09-08 14:36:36,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:36,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:36,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:36,161 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:36:36,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-08 14:36:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:36,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-09-08 14:36:36,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:36,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-08 14:36:36,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:36,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:36,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:36,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:36,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:36,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:36,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:36,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:36,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:36,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:36,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:36,982 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-09-08 14:36:36,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 27 [2024-09-08 14:36:37,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:37,086 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-09-08 14:36:37,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 31 [2024-09-08 14:36:37,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:37,222 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-09-08 14:36:37,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 34 [2024-09-08 14:36:37,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:37,369 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-09-08 14:36:37,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 34 [2024-09-08 14:36:37,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2024-09-08 14:36:37,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:37,545 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:37,545 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:36:37,716 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1035 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (not (= (select (select (store (let ((.cse0 (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1035))) (store .cse0 |c_~#top~0.base| (store (select .cse0 |c_~#top~0.base|) |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|))) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-09-08 14:36:37,734 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1035 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (not (= (select (select (store (let ((.cse0 (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1035))) (store .cse0 |c_~#top~0.base| (store (select .cse0 |c_~#top~0.base|) |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_index_malloc_~curr_alloc_idx~0#1|))) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-09-08 14:36:38,827 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 14:36:38,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 8 [2024-09-08 14:36:38,856 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 14:36:38,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 594 treesize of output 604 [2024-09-08 14:36:38,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 343 treesize of output 335 [2024-09-08 14:36:38,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 335 treesize of output 333 [2024-09-08 14:36:38,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 333 treesize of output 329 [2024-09-08 14:36:38,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 329 treesize of output 327 [2024-09-08 14:36:38,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 327 treesize of output 319 [2024-09-08 14:36:38,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 317 [2024-09-08 14:36:38,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 317 treesize of output 313 [2024-09-08 14:36:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:39,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991945779] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:36:39,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:36:39,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19, 19] total 48 [2024-09-08 14:36:39,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305410510] [2024-09-08 14:36:39,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:36:39,216 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-09-08 14:36:39,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:39,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-09-08 14:36:39,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=1894, Unknown=23, NotChecked=182, Total=2352 [2024-09-08 14:36:39,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:39,218 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:39,219 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 3.2448979591836733) internal successors, (159), 48 states have internal predecessors, (159), 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 14:36:39,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:39,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:39,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:39,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:39,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:39,808 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 (= c_~state~0 1))) (let ((.cse2 (not (= c_~state~0 0))) (.cse4 (not .cse9))) (let ((.cse0 (or (forall ((v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (v_ArrVal_1030 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int))) (or (not (= (select (select (store (let ((.cse15 (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035))) (store .cse15 |c_~#top~0.base| (store (select .cse15 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (+ (select (select (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1030) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0)))) .cse4)) (.cse10 (or .cse2 (forall ((v_DerPreprocessor_15 (Array Int Int)) (v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (v_ArrVal_1030 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_15))) (or (not (= 0 (select (select (store (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035) |c_~#top~0.base| (store (select (store (store .cse14 |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035) |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0)) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|))) (not (= (+ (select (select (store .cse14 |c_~#m2~0.base| v_ArrVal_1030) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0)))))))) (let ((.cse6 (and .cse0 .cse10)) (.cse5 (= |c_thr1Thread1of3ForFork0_index_malloc_~curr_alloc_idx~0#1| 0))) (and .cse0 (forall ((v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int)) (v_ArrVal_1030 (Array Int Int))) (or (not (= (select (select (store (let ((.cse1 (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035))) (store .cse1 |c_~#top~0.base| (store (select .cse1 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (+ (select (select (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1030) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0)))) (= |c_~#top~0.offset| 0) (or (and (or .cse2 (forall ((v_ArrVal_1027 (Array Int Int)) (v_DerPreprocessor_15 (Array Int Int)) (v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (v_ArrVal_1030 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int))) (or (not (= 0 (select (select (store (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035) |c_~#top~0.base| (store (select (store (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_15) |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035) |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0)) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|))) (not (= (+ (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1027) |c_~#top~0.base| v_DerPreprocessor_15) |c_~#m2~0.base| v_ArrVal_1030) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0))))) (or (forall ((v_ArrVal_1027 (Array Int Int)) (v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (v_ArrVal_1030 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int))) (or (not (= (select (select (store (let ((.cse3 (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035))) (store .cse3 |c_~#top~0.base| (store (select .cse3 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1027) |c_~#m2~0.base| v_ArrVal_1030) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0)))) .cse4)) .cse5) (or .cse6 (= |c_thr1Thread1of3ForFork0_push_~newTop~0#1| 0)) (or (let ((.cse7 (+ c_~next_alloc_idx~0 2))) (and (or .cse2 (forall ((v_ArrVal_1027 (Array Int Int)) (v_DerPreprocessor_15 (Array Int Int)) (v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (v_ArrVal_1030 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int))) (or (not (= (select (select (store (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035) |c_~#top~0.base| (store (select (store (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_15) |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035) |c_~#top~0.base|) |c_~#top~0.offset| .cse7)) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (+ (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1027) |c_~#top~0.base| v_DerPreprocessor_15) |c_~#m2~0.base| v_ArrVal_1030) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0))))) (or (forall ((v_ArrVal_1027 (Array Int Int)) (v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (v_ArrVal_1030 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int))) (or (not (= (select (select (store (let ((.cse8 (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035))) (store .cse8 |c_~#top~0.base| (store (select .cse8 |c_~#top~0.base|) |c_~#top~0.offset| .cse7))) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1027) |c_~#m2~0.base| v_ArrVal_1030) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0)))) .cse4))) (= c_~next_alloc_idx~0 0)) .cse9 (not (= |c_thr1Thread2of3ForFork0_push_~newTop~0#1| 0)) .cse10 (forall ((v_DerPreprocessor_12 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| (store (select |c_#memory_int| |c_~#top~0.base|) |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (forall ((v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (not (= (select (select (store (let ((.cse11 (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035))) (store .cse11 |c_~#top~0.base| (store (select .cse11 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (or .cse6 .cse5) (forall ((v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int))) (or (not (= (+ (select (select |c_#memory_int| |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0)) (not (= (select (select (store (let ((.cse12 (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035))) (store .cse12 |c_~#top~0.base| (store (select .cse12 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))) (or (= |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) (not (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#top~0.base|))) (forall ((v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (not (= (select (select (store (let ((.cse13 (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035))) (store .cse13 |c_~#top~0.base| (store (select .cse13 |c_~#top~0.base|) |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_index_malloc_~curr_alloc_idx~0#1|))) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))))))) is different from false [2024-09-08 14:36:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:40,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:36:40,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-09-08 14:36:40,411 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:40,411 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:40,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:40,412 INFO L85 PathProgramCache]: Analyzing trace with hash 2003898999, now seen corresponding path program 2 times [2024-09-08 14:36:40,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:40,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659723543] [2024-09-08 14:36:40,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:40,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:40,668 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-08 14:36:40,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:40,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659723543] [2024-09-08 14:36:40,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659723543] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:40,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654347140] [2024-09-08 14:36:40,669 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 14:36:40,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:40,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:40,671 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:36:40,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-09-08 14:36:40,889 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 14:36:40,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 14:36:40,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-08 14:36:40,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:40,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-08 14:36:41,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:41,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:41,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:41,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:41,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:41,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:41,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:41,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-09-08 14:36:41,115 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-08 14:36:41,115 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 14:36:41,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654347140] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:41,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 14:36:41,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-09-08 14:36:41,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958146015] [2024-09-08 14:36:41,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:41,116 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 14:36:41,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:41,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 14:36:41,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-09-08 14:36:41,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:41,116 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:41,117 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 14:36:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 14:36:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:41,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:36:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:41,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-09-08 14:36:41,599 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:41,600 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:41,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:41,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1651321694, now seen corresponding path program 2 times [2024-09-08 14:36:41,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:41,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674625882] [2024-09-08 14:36:41,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:41,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 14:36:42,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:42,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674625882] [2024-09-08 14:36:42,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674625882] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:42,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773776131] [2024-09-08 14:36:42,047 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 14:36:42,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:42,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:42,049 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:36:42,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-09-08 14:36:42,244 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 14:36:42,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 14:36:42,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-09-08 14:36:42,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:42,516 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-09-08 14:36:42,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 64 [2024-09-08 14:36:42,595 INFO L349 Elim1Store]: treesize reduction 24, result has 59.3 percent of original size [2024-09-08 14:36:42,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 73 [2024-09-08 14:36:42,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-09-08 14:36:42,679 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-09-08 14:36:42,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 26 [2024-09-08 14:36:42,726 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-09-08 14:36:42,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 26 [2024-09-08 14:36:42,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 36 [2024-09-08 14:36:42,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2024-09-08 14:36:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-09-08 14:36:43,664 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 14:36:43,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773776131] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:43,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 14:36:43,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 9 [2024-09-08 14:36:43,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786367123] [2024-09-08 14:36:43,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:43,665 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 14:36:43,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:43,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 14:36:43,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-09-08 14:36:43,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:43,666 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:43,666 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 14:36:43,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:43,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:43,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:43,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:43,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:36:43,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:43,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:44,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:44,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:44,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:44,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:44,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:36:44,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:44,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:44,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-09-08 14:36:44,297 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-09-08 14:36:44,298 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:44,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:44,298 INFO L85 PathProgramCache]: Analyzing trace with hash -914229436, now seen corresponding path program 1 times [2024-09-08 14:36:44,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:44,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230380106] [2024-09-08 14:36:44,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:44,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:44,439 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-09-08 14:36:44,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:44,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230380106] [2024-09-08 14:36:44,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230380106] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:44,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:36:44,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 14:36:44,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558569222] [2024-09-08 14:36:44,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:44,440 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 14:36:44,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:44,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 14:36:44,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 14:36:44,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:44,441 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:44,441 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:36:44,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:44,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:44,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:44,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:44,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:36:44,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:44,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:44,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:36:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:44,671 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-09-08 14:36:44,672 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:44,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:44,672 INFO L85 PathProgramCache]: Analyzing trace with hash -914228411, now seen corresponding path program 1 times [2024-09-08 14:36:44,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:44,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907620367] [2024-09-08 14:36:44,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:44,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:45,222 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 14:36:45,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:45,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907620367] [2024-09-08 14:36:45,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907620367] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:45,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635051532] [2024-09-08 14:36:45,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:45,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:45,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:45,225 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:36:45,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-09-08 14:36:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:45,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-09-08 14:36:45,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:45,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-08 14:36:45,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:45,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:45,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:45,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:45,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:45,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:45,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:45,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:45,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:45,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:46,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:46,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:46,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:46,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:46,181 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-09-08 14:36:46,181 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 17 treesize of output 13 [2024-09-08 14:36:46,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-09-08 14:36:46,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:36:46,524 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 14:36:46,524 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:36:46,603 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 14:36:46,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-09-08 14:36:46,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-09-08 14:36:46,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-09-08 14:36:46,753 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1395) |c_~#top~0.base|) 0) 1) 0))) (or (not (= c_~next_alloc_idx~0 0)) (forall ((|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0))))) is different from false [2024-09-08 14:36:47,353 WARN L854 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread1of3ForFork0_push_~newTop~0#1| 0) (let ((.cse0 (not (= c_~next_alloc_idx~0 0)))) (and (or (and (forall ((v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1395) |c_~#top~0.base|) 0) 1) 0))) (or .cse0 (forall ((|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0))))) (not (= c_~state~0 1))) (or (not (= c_~state~0 0)) (and (forall ((v_DerPreprocessor_19 (Array Int Int)) (v_prenex_44 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_19) |c_~#m2~0.base| v_prenex_44) |c_~#top~0.base|) 0) 1) 0))) (or (forall ((v_DerPreprocessor_19 (Array Int Int)) (|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_19) |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0))) .cse0)))))) is different from false [2024-09-08 14:36:47,378 WARN L854 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread1of3ForFork0_index_malloc_~curr_alloc_idx~0#1| 0) (let ((.cse0 (not (= c_~next_alloc_idx~0 0)))) (and (or (and (forall ((v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1395) |c_~#top~0.base|) 0) 1) 0))) (or .cse0 (forall ((|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0))))) (not (= c_~state~0 1))) (or (not (= c_~state~0 0)) (and (forall ((v_DerPreprocessor_19 (Array Int Int)) (v_prenex_44 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_19) |c_~#m2~0.base| v_prenex_44) |c_~#top~0.base|) 0) 1) 0))) (or (forall ((v_DerPreprocessor_19 (Array Int Int)) (|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_19) |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0))) .cse0)))))) is different from false [2024-09-08 14:36:47,408 WARN L854 $PredicateComparison]: unable to prove that (or (= |c_thr1Thread1of3ForFork0_index_malloc_~curr_alloc_idx~0#1| 0) (let ((.cse0 (not (= c_~next_alloc_idx~0 0)))) (and (or (not (= c_~state~0 0)) (and (forall ((v_DerPreprocessor_19 (Array Int Int)) (v_ArrVal_1389 (Array Int Int)) (v_prenex_44 (Array Int Int))) (not (= (+ (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1389) |c_~#top~0.base| v_DerPreprocessor_19) |c_~#m2~0.base| v_prenex_44) |c_~#top~0.base|) 0) 1) 0))) (or (forall ((v_DerPreprocessor_19 (Array Int Int)) (v_ArrVal_1389 (Array Int Int)) (|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1389) |c_~#top~0.base| v_DerPreprocessor_19) |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0))) .cse0))) (or (not (= c_~state~0 1)) (and (or .cse0 (forall ((v_ArrVal_1389 (Array Int Int)) (|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1389) |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0)))) (forall ((v_ArrVal_1389 (Array Int Int)) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1389) |c_~#m2~0.base| v_ArrVal_1395) |c_~#top~0.base|) 0) 1) 0)))))))) is different from false [2024-09-08 14:36:47,438 WARN L854 $PredicateComparison]: unable to prove that (or (let ((.cse0 (not (= (+ c_~next_alloc_idx~0 2) 0)))) (and (or (not (= c_~state~0 0)) (and (or (forall ((v_DerPreprocessor_19 (Array Int Int)) (v_ArrVal_1389 (Array Int Int)) (|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1389) |c_~#top~0.base| v_DerPreprocessor_19) |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0))) .cse0) (forall ((v_DerPreprocessor_19 (Array Int Int)) (v_ArrVal_1389 (Array Int Int)) (v_prenex_44 (Array Int Int))) (not (= (+ (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1389) |c_~#top~0.base| v_DerPreprocessor_19) |c_~#m2~0.base| v_prenex_44) |c_~#top~0.base|) 0) 1) 0))))) (or (and (or .cse0 (forall ((v_ArrVal_1389 (Array Int Int)) (|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1389) |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0)))) (forall ((v_ArrVal_1389 (Array Int Int)) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1389) |c_~#m2~0.base| v_ArrVal_1395) |c_~#top~0.base|) 0) 1) 0)))) (not (= c_~state~0 1))))) (= c_~next_alloc_idx~0 0)) is different from false [2024-09-08 14:36:47,608 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 14:36:47,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 8 [2024-09-08 14:36:47,645 INFO L349 Elim1Store]: treesize reduction 22, result has 60.0 percent of original size [2024-09-08 14:36:47,646 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 850 treesize of output 850 [2024-09-08 14:36:47,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 303 treesize of output 301 [2024-09-08 14:36:47,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 301 treesize of output 293 [2024-09-08 14:36:47,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 289 [2024-09-08 14:36:47,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 289 treesize of output 287 [2024-09-08 14:36:47,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 287 treesize of output 283 [2024-09-08 14:36:47,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 283 treesize of output 281 [2024-09-08 14:36:47,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 281 treesize of output 279 [2024-09-08 14:36:47,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 275 [2024-09-08 14:36:47,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 275 treesize of output 273 [2024-09-08 14:36:47,944 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 2 times theorem prover too weak. 0 trivial. 2 not checked. [2024-09-08 14:36:47,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635051532] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:36:47,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:36:47,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 15] total 42 [2024-09-08 14:36:47,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236704154] [2024-09-08 14:36:47,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:36:47,945 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-09-08 14:36:47,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:47,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-09-08 14:36:47,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1240, Unknown=15, NotChecked=380, Total=1806 [2024-09-08 14:36:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:47,946 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:47,947 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.534883720930233) internal successors, (195), 42 states have internal predecessors, (195), 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 14:36:47,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:47,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:47,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:47,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:47,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:36:47,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:47,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:47,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:47,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:50,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:36:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-09-08 14:36:50,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-09-08 14:36:50,982 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-09-08 14:36:50,982 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:50,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:50,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1705770456, now seen corresponding path program 1 times [2024-09-08 14:36:50,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:50,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636395548] [2024-09-08 14:36:50,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:50,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 14:36:51,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:51,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636395548] [2024-09-08 14:36:51,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636395548] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:51,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691182500] [2024-09-08 14:36:51,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:51,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:51,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:51,119 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:36:51,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-09-08 14:36:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:51,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-08 14:36:51,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:51,472 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 14:36:51,472 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:36:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 14:36:51,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691182500] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:36:51,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:36:51,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-09-08 14:36:51,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188813299] [2024-09-08 14:36:51,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:36:51,572 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-08 14:36:51,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:51,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-08 14:36:51,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-09-08 14:36:51,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:51,573 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:51,573 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 12 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:36:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:36:51,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:51,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:51,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:51,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-09-08 14:36:51,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:51,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:51,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:51,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:51,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:51,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:36:51,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:51,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:51,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:51,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-09-08 14:36:51,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:36:51,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-09-08 14:36:52,050 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-09-08 14:36:52,050 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:52,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:52,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1993810281, now seen corresponding path program 1 times [2024-09-08 14:36:52,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:52,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324709442] [2024-09-08 14:36:52,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:52,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:52,708 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-09-08 14:36:52,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:52,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324709442] [2024-09-08 14:36:52,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324709442] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:52,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087740109] [2024-09-08 14:36:52,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:52,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:52,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:52,711 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:36:52,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-09-08 14:36:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:52,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-09-08 14:36:52,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:53,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-08 14:36:53,150 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-09-08 14:36:53,150 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 17 treesize of output 13 [2024-09-08 14:36:53,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:53,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-09-08 14:36:53,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2024-09-08 14:36:53,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:53,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2024-09-08 14:36:53,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:53,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2024-09-08 14:36:53,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:53,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2024-09-08 14:36:53,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:53,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2024-09-08 14:36:53,513 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-08 14:36:53,513 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:36:53,581 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1684 (Array Int Int)) (|~#m~0.offset| Int)) (or (= 0 (select (select (store |c_#memory_int| |c_~#m~0.base| (store v_ArrVal_1684 |~#m~0.offset| 0)) |c_~#m2~0.base|) |c_~#m2~0.offset|)) (= (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1684) |c_~#m2~0.base|) |c_~#m2~0.offset|) 1))) is different from false [2024-09-08 14:36:53,674 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (= (select (select |c_#memory_int| |c_~#top~0.base|) |c_~#top~0.offset|) |c_thr1Thread3of3ForFork0_push_~oldTop~0#1|))) (and (or (forall ((v_ArrVal_1684 (Array Int Int)) (v_DerPreprocessor_23 (Array Int Int)) (|~#m~0.offset| Int)) (let ((.cse0 (store |c_#memory_int| |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_23))) (or (= (select (select (store .cse0 |c_~#m~0.base| (store v_ArrVal_1684 |~#m~0.offset| 0)) |c_~#m2~0.base|) |c_~#m2~0.offset|) 0) (= (select (select (store .cse0 |c_~#m~0.base| v_ArrVal_1684) |c_~#m2~0.base|) |c_~#m2~0.offset|) 1)))) .cse1) (or (not .cse1) (and (or (forall ((v_ArrVal_1684 (Array Int Int)) (v_DerPreprocessor_22 (Array Int Int)) (|~#m~0.offset| Int)) (let ((.cse2 (store |c_#memory_int| |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_22))) (or (= (select (select (store .cse2 |c_~#m~0.base| (store v_ArrVal_1684 |~#m~0.offset| 0)) |c_~#m2~0.base|) |c_~#m2~0.offset|) 0) (= (select (select (store .cse2 |c_~#m~0.base| v_ArrVal_1684) |c_~#m2~0.base|) |c_~#m2~0.offset|) 1)))) (not (= |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| |c_~#top~0.base|))) (forall ((v_DerPreprocessor_20 (Array Int Int)) (v_DerPreprocessor_21 (Array Int Int)) (v_ArrVal_1684 (Array Int Int)) (|~#m~0.offset| Int)) (let ((.cse3 (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_20) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_21))) (or (= (select (select (store .cse3 |c_~#m~0.base| v_ArrVal_1684) |c_~#m2~0.base|) |c_~#m2~0.offset|) 1) (= (select (select (store .cse3 |c_~#m~0.base| (store v_ArrVal_1684 |~#m~0.offset| 0)) |c_~#m2~0.base|) |c_~#m2~0.offset|) 0) (not (= (select .cse3 |c_~#top~0.base|) v_DerPreprocessor_20))))))))) is different from false [2024-09-08 14:36:53,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2234 treesize of output 2150 [2024-09-08 14:36:53,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 365 treesize of output 349 [2024-09-08 14:36:53,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 341 treesize of output 333 [2024-09-08 14:36:53,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 323 treesize of output 319 [2024-09-08 14:36:53,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 103 [2024-09-08 14:36:53,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 111 [2024-09-08 14:36:54,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-09-08 14:36:54,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-09-08 14:36:54,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2024-09-08 14:36:54,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-09-08 14:36:54,186 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 8 not checked. [2024-09-08 14:36:54,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087740109] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:36:54,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:36:54,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 8] total 19 [2024-09-08 14:36:54,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975338332] [2024-09-08 14:36:54,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:36:54,188 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-09-08 14:36:54,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:54,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-09-08 14:36:54,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=249, Unknown=2, NotChecked=66, Total=380 [2024-09-08 14:36:54,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:54,188 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:54,189 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 11.05) internal successors, (221), 19 states have internal predecessors, (221), 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 14:36:54,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:54,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:54,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:54,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:54,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:36:54,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:54,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:54,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:54,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-09-08 14:36:54,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:36:54,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:54,430 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 (= c_~state~0 1))) (let ((.cse2 (not (= c_~state~0 0))) (.cse4 (not .cse9))) (let ((.cse0 (or (forall ((v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (v_ArrVal_1030 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int))) (or (not (= (select (select (store (let ((.cse13 (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035))) (store .cse13 |c_~#top~0.base| (store (select .cse13 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (+ (select (select (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1030) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0)))) .cse4)) (.cse10 (or .cse2 (forall ((v_DerPreprocessor_15 (Array Int Int)) (v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (v_ArrVal_1030 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse12 (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_15))) (or (not (= 0 (select (select (store (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035) |c_~#top~0.base| (store (select (store (store .cse12 |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035) |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0)) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|))) (not (= (+ (select (select (store .cse12 |c_~#m2~0.base| v_ArrVal_1030) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0)))))))) (let ((.cse6 (and .cse0 .cse10)) (.cse5 (= |c_thr1Thread1of3ForFork0_index_malloc_~curr_alloc_idx~0#1| 0))) (and .cse0 (forall ((v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int)) (v_ArrVal_1030 (Array Int Int))) (or (not (= (select (select (store (let ((.cse1 (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035))) (store .cse1 |c_~#top~0.base| (store (select .cse1 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (+ (select (select (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1030) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0)))) (= |c_~#top~0.offset| 0) (or (and (or .cse2 (forall ((v_ArrVal_1027 (Array Int Int)) (v_DerPreprocessor_15 (Array Int Int)) (v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (v_ArrVal_1030 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int))) (or (not (= 0 (select (select (store (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035) |c_~#top~0.base| (store (select (store (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_15) |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035) |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0)) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|))) (not (= (+ (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1027) |c_~#top~0.base| v_DerPreprocessor_15) |c_~#m2~0.base| v_ArrVal_1030) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0))))) (or (forall ((v_ArrVal_1027 (Array Int Int)) (v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (v_ArrVal_1030 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int))) (or (not (= (select (select (store (let ((.cse3 (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035))) (store .cse3 |c_~#top~0.base| (store (select .cse3 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1027) |c_~#m2~0.base| v_ArrVal_1030) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0)))) .cse4)) .cse5) (or .cse6 (= |c_thr1Thread1of3ForFork0_push_~newTop~0#1| 0)) (or (let ((.cse7 (+ c_~next_alloc_idx~0 2))) (and (or .cse2 (forall ((v_ArrVal_1027 (Array Int Int)) (v_DerPreprocessor_15 (Array Int Int)) (v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (v_ArrVal_1030 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int))) (or (not (= (select (select (store (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035) |c_~#top~0.base| (store (select (store (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_15) |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035) |c_~#top~0.base|) |c_~#top~0.offset| .cse7)) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (+ (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1027) |c_~#top~0.base| v_DerPreprocessor_15) |c_~#m2~0.base| v_ArrVal_1030) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0))))) (or (forall ((v_ArrVal_1027 (Array Int Int)) (v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (v_ArrVal_1030 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int))) (or (not (= (select (select (store (let ((.cse8 (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035))) (store .cse8 |c_~#top~0.base| (store (select .cse8 |c_~#top~0.base|) |c_~#top~0.offset| .cse7))) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1027) |c_~#m2~0.base| v_ArrVal_1030) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0)))) .cse4))) (= c_~next_alloc_idx~0 0)) .cse9 .cse10 (or .cse6 .cse5) (forall ((v_ArrVal_1035 (Array Int Int)) (v_ArrVal_1034 (Array Int Int)) (|v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| Int) (v_DerPreprocessor_12 (Array Int Int))) (or (not (= (+ (select (select |c_#memory_int| |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20|) 0) 1) 0)) (not (= (select (select (store (let ((.cse11 (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1034) |c_~#m2~0.base| v_ArrVal_1035))) (store .cse11 |c_~#top~0.base| (store (select .cse11 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |v_thr1Thread2of3ForFork0_push_~#casret~0#1.base_20| v_DerPreprocessor_12) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))))) is different from false [2024-09-08 14:36:54,453 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (= c_~state~0 0)) (.cse1 (not (= c_~next_alloc_idx~0 0)))) (let ((.cse0 (and (forall ((v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1395) |c_~#top~0.base|) 0) 1) 0))) (or .cse1 (forall ((|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0)))))) (.cse2 (not .cse3))) (and (or .cse0 (not (= c_~state~0 1))) (= |c_~#top~0.offset| 0) (or (forall ((|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int)) (not (= (+ (select (select |c_#memory_int| |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0))) .cse1) (or .cse2 (and (forall ((v_prenex_31 (Array Int Int)) (v_DerPreprocessor_18 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_18) |c_~#m2~0.base| v_prenex_31) |c_~#top~0.base|) 0) 1) 0))) (or (forall ((|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_DerPreprocessor_18 (Array Int Int)) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_18) |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0))) .cse1))) (or .cse0 .cse3) (not (= (+ (select (select |c_#memory_int| |c_~#top~0.base|) 0) 1) 0)) (or .cse2 (and (forall ((v_DerPreprocessor_19 (Array Int Int)) (v_prenex_44 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_19) |c_~#m2~0.base| v_prenex_44) |c_~#top~0.base|) 0) 1) 0))) (or (forall ((v_DerPreprocessor_19 (Array Int Int)) (|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_19) |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0))) .cse1)))))) is different from false [2024-09-08 14:36:54,535 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (= c_~state~0 0)) (.cse2 (not (= c_~next_alloc_idx~0 0)))) (let ((.cse0 (and (forall ((v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1395) |c_~#top~0.base|) 0) 1) 0))) (or .cse2 (forall ((|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store |c_#memory_int| |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0)))))) (.cse1 (not .cse3))) (and (or .cse0 (not (= c_~state~0 1))) (= |c_~#top~0.offset| 0) (or .cse1 (and (forall ((v_prenex_31 (Array Int Int)) (v_DerPreprocessor_18 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_18) |c_~#m2~0.base| v_prenex_31) |c_~#top~0.base|) 0) 1) 0))) (or (forall ((|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_DerPreprocessor_18 (Array Int Int)) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_18) |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0))) .cse2))) (or .cse0 .cse3) (or .cse1 (and (forall ((v_DerPreprocessor_19 (Array Int Int)) (v_prenex_44 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_19) |c_~#m2~0.base| v_prenex_44) |c_~#top~0.base|) 0) 1) 0))) (or (forall ((v_DerPreprocessor_19 (Array Int Int)) (|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22| Int) (v_ArrVal_1395 (Array Int Int))) (not (= (+ (select (select (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_19) |c_~#m2~0.base| v_ArrVal_1395) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_22|) 0) 1) 0))) .cse2)))))) is different from false [2024-09-08 14:36:55,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:55,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:55,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:55,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:55,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 14:36:55,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:55,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:55,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:55,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:36:55,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:36:55,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:36:55,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-09-08 14:36:55,399 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-09-08 14:36:55,399 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:55,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:55,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1680276672, now seen corresponding path program 1 times [2024-09-08 14:36:55,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:55,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435786626] [2024-09-08 14:36:55,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:55,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-09-08 14:36:55,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:55,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435786626] [2024-09-08 14:36:55,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435786626] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:36:55,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:36:55,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 14:36:55,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280794517] [2024-09-08 14:36:55,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:36:55,510 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 14:36:55,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:55,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 14:36:55,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 14:36:55,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:55,512 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:55,512 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:36:55,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:55,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:55,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:55,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:55,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 14:36:55,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:55,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:55,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:55,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:36:55,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:36:55,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:36:55,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 14:36:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:36:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:36:56,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:36:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:56,083 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-09-08 14:36:56,083 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:36:56,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:36:56,083 INFO L85 PathProgramCache]: Analyzing trace with hash -756418882, now seen corresponding path program 1 times [2024-09-08 14:36:56,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:36:56,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293413949] [2024-09-08 14:36:56,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:56,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:36:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-09-08 14:36:56,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:36:56,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293413949] [2024-09-08 14:36:56,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293413949] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:36:56,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296776092] [2024-09-08 14:36:56,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:36:56,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:36:56,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:36:56,537 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:36:56,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-09-08 14:36:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:36:56,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-09-08 14:36:56,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:36:57,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:57,189 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-09-08 14:36:57,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 27 [2024-09-08 14:36:57,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:36:57,274 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2024-09-08 14:36:57,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 42 [2024-09-08 14:36:57,606 INFO L349 Elim1Store]: treesize reduction 108, result has 28.0 percent of original size [2024-09-08 14:36:57,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 80 [2024-09-08 14:36:57,640 INFO L349 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2024-09-08 14:36:57,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 69 [2024-09-08 14:36:57,840 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:57,840 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:36:57,998 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_24 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| (store (select |c_#memory_int| |c_~#top~0.base|) |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_index_malloc_~curr_alloc_idx~0#1|)) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_24) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-09-08 14:36:58,002 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_24 (Array Int Int)) (|~#m~0.offset| Int)) (not (= (select (select (store (let ((.cse0 (store |c_#memory_int| |c_~#m~0.base| (store (select |c_#memory_int| |c_~#m~0.base|) |~#m~0.offset| 0)))) (store .cse0 |c_~#top~0.base| (store (select .cse0 |c_~#top~0.base|) |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_index_malloc_~curr_alloc_idx~0#1|))) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_24) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-09-08 14:36:58,007 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_24 (Array Int Int)) (|~#m~0.offset| Int)) (not (= (select (select (store (let ((.cse0 (store |c_#memory_int| |c_~#m~0.base| (store (select |c_#memory_int| |c_~#m~0.base|) |~#m~0.offset| 0)))) (store .cse0 |c_~#top~0.base| (store (select .cse0 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_24) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-09-08 14:36:58,014 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 14:36:58,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 32 [2024-09-08 14:36:58,023 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_14 (Array Int Int)) (v_DerPreprocessor_24 (Array Int Int)) (|~#m~0.offset| Int)) (or (not (= 0 (select (select (store (let ((.cse0 (store |c_#memory_int| |c_~#m~0.base| v_arrayElimArr_14))) (store .cse0 |c_~#top~0.base| (store (select .cse0 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_24) |c_~#top~0.base|) |c_~#top~0.offset|))) (not (= (select v_arrayElimArr_14 |~#m~0.offset|) 0)))) is different from false [2024-09-08 14:36:58,085 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-09-08 14:36:58,085 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 69 treesize of output 68 [2024-09-08 14:36:58,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2024-09-08 14:36:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:36:58,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296776092] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:36:58,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:36:58,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 17, 15] total 40 [2024-09-08 14:36:58,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38194566] [2024-09-08 14:36:58,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:36:58,354 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-09-08 14:36:58,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:36:58,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-09-08 14:36:58,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1195, Unknown=12, NotChecked=300, Total=1722 [2024-09-08 14:36:58,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:36:58,356 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:36:58,356 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 5.170731707317073) internal successors, (212), 41 states have internal predecessors, (212), 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 14:36:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:36:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:36:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 14:36:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:36:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:36:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:36:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:36:58,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 14:37:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-09-08 14:37:04,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-09-08 14:37:04,381 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:37:04,381 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:37:04,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:37:04,382 INFO L85 PathProgramCache]: Analyzing trace with hash -781027698, now seen corresponding path program 1 times [2024-09-08 14:37:04,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:37:04,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383224121] [2024-09-08 14:37:04,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:37:04,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:37:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:37:04,644 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-09-08 14:37:04,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:37:04,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383224121] [2024-09-08 14:37:04,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383224121] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:37:04,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:37:04,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 14:37:04,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844242660] [2024-09-08 14:37:04,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:37:04,646 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 14:37:04,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:37:04,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 14:37:04,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 14:37:04,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:04,647 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:37:04,647 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 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 14:37:04,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:04,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:04,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:04,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:04,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 14:37:04,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:04,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:04,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:04,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:04,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:04,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:04,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:04,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-09-08 14:37:04,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:05,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:05,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:05,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-09-08 14:37:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:05,083 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-09-08 14:37:05,083 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:37:05,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:37:05,083 INFO L85 PathProgramCache]: Analyzing trace with hash -101135507, now seen corresponding path program 1 times [2024-09-08 14:37:05,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:37:05,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779148314] [2024-09-08 14:37:05,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:37:05,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:37:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:37:05,227 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-09-08 14:37:05,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:37:05,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779148314] [2024-09-08 14:37:05,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779148314] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:37:05,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:37:05,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 14:37:05,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013761960] [2024-09-08 14:37:05,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:37:05,228 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 14:37:05,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:37:05,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 14:37:05,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 14:37:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:05,229 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:37:05,229 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 14:37:05,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:05,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:05,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:05,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:05,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:05,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:05,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-09-08 14:37:05,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:05,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:05,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:05,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:05,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:05,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-09-08 14:37:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:05,787 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-09-08 14:37:05,787 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:37:05,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:37:05,787 INFO L85 PathProgramCache]: Analyzing trace with hash -968966853, now seen corresponding path program 1 times [2024-09-08 14:37:05,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:37:05,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299580719] [2024-09-08 14:37:05,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:37:05,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:37:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:37:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 306 proven. 251 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-09-08 14:37:06,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:37:06,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299580719] [2024-09-08 14:37:06,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299580719] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:37:06,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528853948] [2024-09-08 14:37:06,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:37:06,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:37:06,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:37:06,334 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:37:06,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-09-08 14:37:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:37:06,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 1545 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-08 14:37:06,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:37:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 306 proven. 251 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-09-08 14:37:06,963 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:37:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 306 proven. 251 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-09-08 14:37:07,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528853948] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:37:07,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:37:07,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-09-08 14:37:07,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116383770] [2024-09-08 14:37:07,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:37:07,267 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-09-08 14:37:07,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:37:07,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-09-08 14:37:07,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-09-08 14:37:07,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:07,268 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:37:07,269 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 15.4) internal successors, (385), 24 states have internal predecessors, (385), 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 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:07,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-09-08 14:37:08,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:08,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:08,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:37:08,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-09-08 14:37:08,209 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:37:08,209 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:37:08,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:37:08,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1497352571, now seen corresponding path program 2 times [2024-09-08 14:37:08,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:37:08,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208940362] [2024-09-08 14:37:08,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:37:08,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:37:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:37:09,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2269 backedges. 702 proven. 1445 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-09-08 14:37:09,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:37:09,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208940362] [2024-09-08 14:37:09,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208940362] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:37:09,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382401425] [2024-09-08 14:37:09,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 14:37:09,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:37:09,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:37:09,614 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:37:09,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-09-08 14:37:10,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 14:37:10,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 14:37:10,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 2541 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-08 14:37:10,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:37:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2269 backedges. 702 proven. 1445 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-09-08 14:37:10,624 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:37:11,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2269 backedges. 702 proven. 1445 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-09-08 14:37:11,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382401425] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:37:11,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:37:11,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2024-09-08 14:37:11,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801111920] [2024-09-08 14:37:11,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:37:11,336 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-09-08 14:37:11,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:37:11,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-09-08 14:37:11,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2024-09-08 14:37:11,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:11,338 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:37:11,339 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 14.714285714285714) internal successors, (721), 48 states have internal predecessors, (721), 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 14:37:11,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:11,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:11,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:11,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:11,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:11,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:11,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:11,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:11,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:11,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:11,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:11,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-09-08 14:37:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:37:11,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:12,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:12,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:12,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:12,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-09-08 14:37:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:12,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:12,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:37:12,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:37:12,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-09-08 14:37:12,650 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-09-08 14:37:12,651 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:37:12,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:37:12,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1849599579, now seen corresponding path program 3 times [2024-09-08 14:37:12,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:37:12,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588941336] [2024-09-08 14:37:12,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:37:12,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:37:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:37:16,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4364 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 4351 trivial. 0 not checked. [2024-09-08 14:37:16,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:37:16,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588941336] [2024-09-08 14:37:16,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588941336] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:37:16,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264378297] [2024-09-08 14:37:16,454 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 14:37:16,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:37:16,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:37:16,456 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:37:16,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-09-08 14:37:17,081 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-08 14:37:17,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 14:37:17,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-08 14:37:17,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:37:17,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4364 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 3996 trivial. 0 not checked. [2024-09-08 14:37:17,122 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 14:37:17,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264378297] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:37:17,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 14:37:17,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2024-09-08 14:37:17,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876209419] [2024-09-08 14:37:17,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:37:17,124 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 14:37:17,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:37:17,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 14:37:17,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-09-08 14:37:17,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:17,125 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:37:17,125 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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 14:37:17,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:17,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:17,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:17,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:17,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:17,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:17,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:17,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:17,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:17,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:17,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:17,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:17,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-09-08 14:37:17,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:17,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:17,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:37:17,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:37:17,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:17,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-09-08 14:37:17,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:17,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:17,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:37:17,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:37:17,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:17,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-09-08 14:37:17,689 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-09-08 14:37:17,690 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:37:17,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:37:17,690 INFO L85 PathProgramCache]: Analyzing trace with hash 765690645, now seen corresponding path program 4 times [2024-09-08 14:37:17,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:37:17,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698979349] [2024-09-08 14:37:17,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:37:17,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:37:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:37:18,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4430 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 4244 trivial. 0 not checked. [2024-09-08 14:37:18,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:37:18,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698979349] [2024-09-08 14:37:18,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698979349] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:37:18,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:37:18,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 14:37:18,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680409295] [2024-09-08 14:37:18,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:37:18,656 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 14:37:18,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:37:18,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 14:37:18,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 14:37:18,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:18,657 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:37:18,657 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 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 14:37:18,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:18,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:18,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:18,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:18,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:18,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:18,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:18,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:18,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:18,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:18,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:18,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:18,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-09-08 14:37:18,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:18,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:18,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:37:18,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:37:18,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:18,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:19,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:19,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:19,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:19,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:19,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:19,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:19,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:19,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-09-08 14:37:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:37:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:37:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:19,164 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-09-08 14:37:19,165 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:37:19,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:37:19,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1939988639, now seen corresponding path program 1 times [2024-09-08 14:37:19,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:37:19,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033167826] [2024-09-08 14:37:19,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:37:19,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:37:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:37:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 3607 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-09-08 14:37:21,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:37:21,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033167826] [2024-09-08 14:37:21,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033167826] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:37:21,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201660406] [2024-09-08 14:37:21,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:37:21,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:37:21,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:37:21,367 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:37:21,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-09-08 14:37:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:37:22,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 3064 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-09-08 14:37:22,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:37:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 3615 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-09-08 14:37:22,897 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 14:37:22,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201660406] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:37:22,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 14:37:22,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [34] total 35 [2024-09-08 14:37:22,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013841266] [2024-09-08 14:37:22,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:37:22,899 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-09-08 14:37:22,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:37:22,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-09-08 14:37:22,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=598, Invalid=662, Unknown=0, NotChecked=0, Total=1260 [2024-09-08 14:37:22,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:22,901 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:37:22,901 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 14.314285714285715) internal successors, (501), 34 states have internal predecessors, (501), 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 14:37:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-09-08 14:37:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:37:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:37:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:22,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:22,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-09-08 14:37:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:37:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:37:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 14:37:25,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-09-08 14:37:25,729 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:37:25,730 INFO L399 AbstractCegarLoop]: === Iteration 21 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:37:25,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:37:25,730 INFO L85 PathProgramCache]: Analyzing trace with hash 872198335, now seen corresponding path program 1 times [2024-09-08 14:37:25,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:37:25,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839089586] [2024-09-08 14:37:25,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:37:25,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:37:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:37:28,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3105 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 3092 trivial. 0 not checked. [2024-09-08 14:37:28,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:37:28,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839089586] [2024-09-08 14:37:28,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839089586] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:37:28,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561789741] [2024-09-08 14:37:28,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:37:28,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:37:28,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:37:28,497 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:37:28,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-09-08 14:37:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:37:29,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 2827 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-09-08 14:37:29,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:37:31,307 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-09-08 14:37:31,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2024-09-08 14:37:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3105 backedges. 0 proven. 3105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:37:31,369 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:37:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3105 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 2933 trivial. 0 not checked. [2024-09-08 14:37:31,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561789741] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-08 14:37:31,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-08 14:37:31,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11, 39] total 54 [2024-09-08 14:37:31,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013749818] [2024-09-08 14:37:31,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:37:31,577 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 14:37:31,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:37:31,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 14:37:31,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=2738, Unknown=2, NotChecked=0, Total=2862 [2024-09-08 14:37:31,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:31,578 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:37:31,579 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 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 14:37:31,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:31,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:31,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:31,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:31,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:31,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:31,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:31,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:31,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:31,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:31,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:31,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:31,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-09-08 14:37:31,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:31,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:31,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:37:31,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:37:31,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:31,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:31,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 14:37:31,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:32,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:32,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:32,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:32,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 14:37:32,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:32,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-09-08 14:37:32,207 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-09-08 14:37:32,207 INFO L399 AbstractCegarLoop]: === Iteration 22 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:37:32,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:37:32,208 INFO L85 PathProgramCache]: Analyzing trace with hash 578305890, now seen corresponding path program 2 times [2024-09-08 14:37:32,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:37:32,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242987316] [2024-09-08 14:37:32,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:37:32,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:37:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:37:34,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3294 backedges. 78 proven. 123 refuted. 0 times theorem prover too weak. 3093 trivial. 0 not checked. [2024-09-08 14:37:34,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:37:34,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242987316] [2024-09-08 14:37:34,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242987316] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:37:34,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110507742] [2024-09-08 14:37:34,531 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 14:37:34,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:37:34,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:37:34,533 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:37:34,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-09-08 14:37:35,536 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 14:37:35,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 14:37:35,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 2924 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-09-08 14:37:35,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:37:36,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:37:36,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-09-08 14:37:36,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:37:36,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-09-08 14:37:36,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3294 backedges. 78 proven. 131 refuted. 0 times theorem prover too weak. 3085 trivial. 0 not checked. [2024-09-08 14:37:36,650 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:37:36,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 50 [2024-09-08 14:37:36,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-09-08 14:37:37,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3294 backedges. 86 proven. 123 refuted. 0 times theorem prover too weak. 3085 trivial. 0 not checked. [2024-09-08 14:37:37,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110507742] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:37:37,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:37:37,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 10] total 25 [2024-09-08 14:37:37,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199951417] [2024-09-08 14:37:37,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:37:37,181 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-08 14:37:37,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:37:37,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-08 14:37:37,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=550, Unknown=5, NotChecked=0, Total=702 [2024-09-08 14:37:37,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:37,182 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:37:37,183 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 7.461538461538462) internal successors, (194), 26 states have internal predecessors, (194), 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 14:37:37,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:37,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:37,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:37,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:37,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:37,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:37,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:37,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:37,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:37,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:37,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:37,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:37,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2024-09-08 14:37:37,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:37,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:37,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:37:37,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:37:37,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:37,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:37,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 14:37:37,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:37,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:38,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:38,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:38,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 14:37:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:38,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 14:37:38,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-09-08 14:37:39,053 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-09-08 14:37:39,053 INFO L399 AbstractCegarLoop]: === Iteration 23 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:37:39,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:37:39,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1338046146, now seen corresponding path program 1 times [2024-09-08 14:37:39,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:37:39,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269475823] [2024-09-08 14:37:39,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:37:39,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:37:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:37:46,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3384 backedges. 26 proven. 611 refuted. 0 times theorem prover too weak. 2747 trivial. 0 not checked. [2024-09-08 14:37:46,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:37:46,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269475823] [2024-09-08 14:37:46,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269475823] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:37:46,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924659657] [2024-09-08 14:37:46,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:37:46,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:37:46,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:37:46,008 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:37:46,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-09-08 14:37:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:37:47,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 2945 conjuncts, 104 conjuncts are in the unsatisfiable core [2024-09-08 14:37:47,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:37:50,151 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-09-08 14:37:50,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2024-09-08 14:37:50,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:37:50,243 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-09-08 14:37:50,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 32 [2024-09-08 14:37:50,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:37:50,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2024-09-08 14:37:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3384 backedges. 2 proven. 3380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 14:37:50,494 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:37:50,631 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9503 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_9503) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-09-08 14:37:50,772 INFO L349 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2024-09-08 14:37:50,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 38 [2024-09-08 14:37:50,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 14:37:50,777 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 51 treesize of output 50 [2024-09-08 14:37:50,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-09-08 14:37:53,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3384 backedges. 350 proven. 2966 refuted. 2 times theorem prover too weak. 2 trivial. 64 not checked. [2024-09-08 14:37:53,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924659657] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:37:53,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:37:53,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 42, 41] total 95 [2024-09-08 14:37:53,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487937858] [2024-09-08 14:37:53,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:37:53,779 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-09-08 14:37:53,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:37:53,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-09-08 14:37:53,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1777, Invalid=7303, Unknown=44, NotChecked=188, Total=9312 [2024-09-08 14:37:53,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:37:53,784 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:37:53,785 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 96 states have (on average 11.447916666666666) internal successors, (1099), 96 states have internal predecessors, (1099), 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 14:37:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:37:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:53,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:53,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:53,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:37:53,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:37:53,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:37:53,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:53,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2024-09-08 14:37:53,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:53,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:37:53,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:37:53,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:37:53,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:37:53,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:37:53,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 14:37:53,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:37:53,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 14:37:53,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:38:49,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:38:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:38:49,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 14:38:49,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:49,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 14:38:49,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 656 states. [2024-09-08 14:38:49,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-09-08 14:38:49,208 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-09-08 14:38:49,208 INFO L399 AbstractCegarLoop]: === Iteration 24 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:38:49,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:38:49,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1463745521, now seen corresponding path program 1 times [2024-09-08 14:38:49,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:38:49,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686225142] [2024-09-08 14:38:49,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:38:49,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:38:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:38:53,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3644 backedges. 37 proven. 834 refuted. 0 times theorem prover too weak. 2773 trivial. 0 not checked. [2024-09-08 14:38:53,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:38:53,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686225142] [2024-09-08 14:38:53,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686225142] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:38:53,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280191563] [2024-09-08 14:38:53,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:38:53,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:38:53,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:38:53,790 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:38:53,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-09-08 14:38:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:38:54,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 3022 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-08 14:38:54,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:38:55,238 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-09-08 14:38:55,238 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 17 treesize of output 13 [2024-09-08 14:38:55,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2024-09-08 14:38:55,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:38:55,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-09-08 14:38:55,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2024-09-08 14:38:55,333 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-09-08 14:38:55,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:38:55,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:38:55,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3644 backedges. 378 proven. 481 refuted. 0 times theorem prover too weak. 2785 trivial. 0 not checked. [2024-09-08 14:38:55,410 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:38:55,495 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (= (select .cse2 |c_~#top~0.offset|) |c_thr1Thread3of3ForFork0_push_~oldTop~0#1|))) (and (or (not .cse0) (let ((.cse1 (= |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| |c_~#top~0.base|))) (and (or (not .cse1) (forall ((v_ArrVal_10567 (Array Int Int)) (v_ArrVal_10564 Int)) (= (select (select (store (store |c_#memory_int| |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| (store (select (store |c_#memory_int| |c_~#top~0.base| (store .cse2 |c_~#top~0.offset| v_ArrVal_10564)) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1)) |c_~#m~0.base| v_ArrVal_10567) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset|) 1))) (or .cse1 (forall ((v_DerPreprocessor_31 (Array Int Int)) (v_ArrVal_10567 (Array Int Int)) (v_ArrVal_10564 Int)) (= (select (select (store (store (store |c_#memory_int| |c_~#top~0.base| v_DerPreprocessor_31) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| (store (select (store |c_#memory_int| |c_~#top~0.base| (store .cse2 |c_~#top~0.offset| v_ArrVal_10564)) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1)) |c_~#m~0.base| v_ArrVal_10567) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset|) 1)))))) (or (forall ((v_DerPreprocessor_30 (Array Int Int)) (v_ArrVal_10567 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_30) |c_~#m~0.base| v_ArrVal_10567) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset|) 1)) .cse0)))) is different from false [2024-09-08 14:38:55,520 INFO L349 Elim1Store]: treesize reduction 12, result has 64.7 percent of original size [2024-09-08 14:38:55,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 32 [2024-09-08 14:38:55,525 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 14:38:55,525 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 43 treesize of output 39 [2024-09-08 14:38:55,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-09-08 14:38:55,530 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 14:38:55,530 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 14:38:56,232 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 14:38:56,233 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 19 treesize of output 14 [2024-09-08 14:38:56,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3644 backedges. 359 proven. 422 refuted. 48 times theorem prover too weak. 2785 trivial. 30 not checked. [2024-09-08 14:38:56,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280191563] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:38:56,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:38:56,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 26 [2024-09-08 14:38:56,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980376312] [2024-09-08 14:38:56,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:38:56,595 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-08 14:38:56,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:38:56,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-08 14:38:56,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=558, Unknown=6, NotChecked=48, Total=702 [2024-09-08 14:38:56,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:38:56,596 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:38:56,596 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 10.37037037037037) internal successors, (280), 26 states have internal predecessors, (280), 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 14:38:56,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:38:56,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:56,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:38:56,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:56,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 656 states. [2024-09-08 14:38:56,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:38:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:38:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:38:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:38:58,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 14:38:58,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 656 states. [2024-09-08 14:38:58,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 14:38:58,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-09-08 14:38:58,606 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:38:58,607 INFO L399 AbstractCegarLoop]: === Iteration 25 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:38:58,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:38:58,607 INFO L85 PathProgramCache]: Analyzing trace with hash 465957990, now seen corresponding path program 2 times [2024-09-08 14:38:58,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:38:58,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137385305] [2024-09-08 14:38:58,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:38:58,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:38:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:38:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3520 backedges. 305 proven. 45 refuted. 0 times theorem prover too weak. 3170 trivial. 0 not checked. [2024-09-08 14:38:59,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:38:59,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137385305] [2024-09-08 14:38:59,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137385305] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:38:59,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983939773] [2024-09-08 14:38:59,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 14:38:59,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:38:59,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:38:59,830 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:38:59,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-09-08 14:39:00,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 14:39:00,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 14:39:00,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 2965 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-08 14:39:00,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:39:01,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:39:01,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:39:01,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2024-09-08 14:39:01,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-09-08 14:39:01,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-08 14:39:01,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 14:39:01,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2024-09-08 14:39:01,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 42 [2024-09-08 14:39:01,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 39 [2024-09-08 14:39:01,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 36 [2024-09-08 14:39:01,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-09-08 14:39:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3520 backedges. 101 proven. 48 refuted. 0 times theorem prover too weak. 3371 trivial. 0 not checked. [2024-09-08 14:39:01,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:39:02,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-09-08 14:39:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3520 backedges. 51 proven. 48 refuted. 50 times theorem prover too weak. 3371 trivial. 0 not checked. [2024-09-08 14:39:03,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983939773] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:39:03,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:39:03,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-09-08 14:39:03,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447772393] [2024-09-08 14:39:03,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:39:03,077 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 14:39:03,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:39:03,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 14:39:03,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=94, Unknown=5, NotChecked=0, Total=132 [2024-09-08 14:39:03,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:39:03,077 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:39:03,077 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.75) internal successors, (177), 11 states have internal predecessors, (177), 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 14:39:03,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 14:39:03,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:03,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 14:39:03,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 656 states. [2024-09-08 14:39:03,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 14:39:03,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:39:06,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:39:06,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:06,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:39:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:39:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:39:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:39:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-09-08 14:39:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:39:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:39:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:39:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:39:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:39:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 14:39:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-08 14:39:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 661 states. [2024-09-08 14:39:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 14:39:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:39:06,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-09-08 14:39:07,002 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:39:07,003 INFO L399 AbstractCegarLoop]: === Iteration 26 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:39:07,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:39:07,003 INFO L85 PathProgramCache]: Analyzing trace with hash 98733247, now seen corresponding path program 2 times [2024-09-08 14:39:07,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:39:07,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257148843] [2024-09-08 14:39:07,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:39:07,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:39:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:39:22,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3105 backedges. 2479 proven. 626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:39:22,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:39:22,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257148843] [2024-09-08 14:39:22,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257148843] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:39:22,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002039756] [2024-09-08 14:39:22,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 14:39:22,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:39:22,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:39:22,132 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:39:22,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-09-08 14:39:23,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 14:39:23,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 14:39:23,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 2827 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-09-08 14:39:23,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:39:23,350 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-09-08 14:39:23,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-09-08 14:39:23,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-09-08 14:39:23,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 14:39:23,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3105 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 3092 trivial. 0 not checked. [2024-09-08 14:39:23,648 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:39:23,795 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 14:39:23,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-09-08 14:39:23,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-09-08 14:39:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3105 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 3092 trivial. 0 not checked. [2024-09-08 14:39:24,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002039756] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:39:24,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:39:24,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 9, 7] total 65 [2024-09-08 14:39:24,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959463392] [2024-09-08 14:39:24,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:39:24,003 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-09-08 14:39:24,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:39:24,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-09-08 14:39:24,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=623, Invalid=3662, Unknown=5, NotChecked=0, Total=4290 [2024-09-08 14:39:24,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:39:24,005 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:39:24,005 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 8.772727272727273) internal successors, (579), 65 states have internal predecessors, (579), 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 14:39:24,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:39:24,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:24,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:24,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:24,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 14:39:24,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 661 states. [2024-09-08 14:39:24,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 14:39:24,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:39:24,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 14:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-08 14:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 678 states. [2024-09-08 14:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 14:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-09-08 14:39:46,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-09-08 14:39:46,921 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-09-08 14:39:46,922 INFO L399 AbstractCegarLoop]: === Iteration 27 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 14:39:46,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:39:46,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1379333887, now seen corresponding path program 1 times [2024-09-08 14:39:46,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:39:46,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371471580] [2024-09-08 14:39:46,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:39:46,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:39:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:39:51,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 608 proven. 40 refuted. 0 times theorem prover too weak. 2127 trivial. 0 not checked. [2024-09-08 14:39:51,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:39:51,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371471580] [2024-09-08 14:39:51,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371471580] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:39:51,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266519320] [2024-09-08 14:39:51,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:39:51,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:39:51,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:39:51,397 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:39:51,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-09-08 14:39:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:39:52,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 2823 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-09-08 14:39:52,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:39:53,359 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-09-08 14:39:53,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2024-09-08 14:39:53,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 608 proven. 77 refuted. 0 times theorem prover too weak. 2090 trivial. 0 not checked. [2024-09-08 14:39:53,559 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:39:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 2137 trivial. 0 not checked. [2024-09-08 14:39:53,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266519320] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-08 14:39:53,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-08 14:39:53,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10, 16] total 31 [2024-09-08 14:39:53,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613450208] [2024-09-08 14:39:53,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:39:53,692 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 14:39:53,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:39:53,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 14:39:53,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=790, Unknown=5, NotChecked=0, Total=930 [2024-09-08 14:39:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:39:53,693 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:39:53,693 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 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 14:39:53,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:39:53,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:53,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:53,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:53,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 678 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 14:39:53,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:39:53,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-09-08 14:39:53,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.