./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d41b1dc1d5d7eec1f1fd4e3cbbef0194aa2dded6486a15b383e9bb8fe1468a3 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-16 18:36:10,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-16 18:36:10,343 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-16 18:36:10,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-16 18:36:10,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-16 18:36:10,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-16 18:36:10,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-16 18:36:10,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-16 18:36:10,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-16 18:36:10,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-16 18:36:10,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-16 18:36:10,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-16 18:36:10,376 INFO L153 SettingsManager]: * Use SBE=true [2024-07-16 18:36:10,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-16 18:36:10,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-16 18:36:10,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-16 18:36:10,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-16 18:36:10,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-16 18:36:10,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-16 18:36:10,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-16 18:36:10,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-16 18:36:10,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-16 18:36:10,379 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-16 18:36:10,380 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-16 18:36:10,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-16 18:36:10,380 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-16 18:36:10,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-16 18:36:10,381 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-16 18:36:10,381 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-16 18:36:10,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-16 18:36:10,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-16 18:36:10,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-16 18:36:10,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-16 18:36:10,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-16 18:36:10,383 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-16 18:36:10,383 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-16 18:36:10,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-16 18:36:10,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-16 18:36:10,383 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-16 18:36:10,384 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-16 18:36:10,384 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-16 18:36:10,384 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-16 18:36:10,384 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d41b1dc1d5d7eec1f1fd4e3cbbef0194aa2dded6486a15b383e9bb8fe1468a3 [2024-07-16 18:36:10,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-16 18:36:10,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-16 18:36:10,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-16 18:36:10,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-16 18:36:10,600 INFO L274 PluginConnector]: CDTParser initialized [2024-07-16 18:36:10,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2024-07-16 18:36:11,639 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-16 18:36:11,833 INFO L384 CDTParser]: Found 1 translation units. [2024-07-16 18:36:11,834 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2024-07-16 18:36:11,845 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/20fdf77bb/02b63d94fad1415cb0501cde3ccf188e/FLAG4e3a26f46 [2024-07-16 18:36:11,856 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/20fdf77bb/02b63d94fad1415cb0501cde3ccf188e [2024-07-16 18:36:11,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-16 18:36:11,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-16 18:36:11,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-16 18:36:11,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-16 18:36:11,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-16 18:36:11,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.07 06:36:11" (1/1) ... [2024-07-16 18:36:11,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37366406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 06:36:11, skipping insertion in model container [2024-07-16 18:36:11,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.07 06:36:11" (1/1) ... [2024-07-16 18:36:11,889 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-16 18:36:12,098 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c[3822,3835] [2024-07-16 18:36:12,106 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-16 18:36:12,118 INFO L202 MainTranslator]: Completed pre-run [2024-07-16 18:36:12,168 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c[3822,3835] [2024-07-16 18:36:12,177 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-16 18:36:12,196 INFO L206 MainTranslator]: Completed translation [2024-07-16 18:36:12,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 06:36:12 WrapperNode [2024-07-16 18:36:12,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-16 18:36:12,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-16 18:36:12,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-16 18:36:12,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-16 18:36:12,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 06:36:12" (1/1) ... [2024-07-16 18:36:12,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 06:36:12" (1/1) ... [2024-07-16 18:36:12,291 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 251 [2024-07-16 18:36:12,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-16 18:36:12,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-16 18:36:12,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-16 18:36:12,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-16 18:36:12,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 06:36:12" (1/1) ... [2024-07-16 18:36:12,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 06:36:12" (1/1) ... [2024-07-16 18:36:12,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 06:36:12" (1/1) ... [2024-07-16 18:36:12,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 06:36:12" (1/1) ... [2024-07-16 18:36:12,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 06:36:12" (1/1) ... [2024-07-16 18:36:12,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 06:36:12" (1/1) ... [2024-07-16 18:36:12,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 06:36:12" (1/1) ... [2024-07-16 18:36:12,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 06:36:12" (1/1) ... [2024-07-16 18:36:12,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-16 18:36:12,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-16 18:36:12,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-16 18:36:12,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-16 18:36:12,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 06:36:12" (1/1) ... [2024-07-16 18:36:12,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-16 18:36:12,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:36:12,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-16 18:36:12,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-16 18:36:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-16 18:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-16 18:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-16 18:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-16 18:36:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-16 18:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-16 18:36:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-16 18:36:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-16 18:36:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-16 18:36:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-07-16 18:36:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-07-16 18:36:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-16 18:36:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-16 18:36:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-16 18:36:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-07-16 18:36:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-16 18:36:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-16 18:36:12,473 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-16 18:36:12,555 INFO L244 CfgBuilder]: Building ICFG [2024-07-16 18:36:12,557 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-16 18:36:12,978 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-16 18:36:12,980 INFO L293 CfgBuilder]: Performing block encoding [2024-07-16 18:36:13,239 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-16 18:36:13,240 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-07-16 18:36:13,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.07 06:36:13 BoogieIcfgContainer [2024-07-16 18:36:13,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-16 18:36:13,243 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-16 18:36:13,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-16 18:36:13,246 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-16 18:36:13,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.07 06:36:11" (1/3) ... [2024-07-16 18:36:13,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8fd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.07 06:36:13, skipping insertion in model container [2024-07-16 18:36:13,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 06:36:12" (2/3) ... [2024-07-16 18:36:13,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8fd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.07 06:36:13, skipping insertion in model container [2024-07-16 18:36:13,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.07 06:36:13" (3/3) ... [2024-07-16 18:36:13,249 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2024-07-16 18:36:13,257 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-16 18:36:13,264 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-16 18:36:13,264 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-16 18:36:13,264 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-16 18:36:13,330 INFO L144 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2024-07-16 18:36:13,366 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-16 18:36:13,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-16 18:36:13,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:36:13,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-16 18:36:13,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-16 18:36:13,422 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-16 18:36:13,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-16 18:36:13,439 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2fb89682, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-16 18:36:13,439 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-07-16 18:36:13,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:13,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:13,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1387967251, now seen corresponding path program 1 times [2024-07-16 18:36:13,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:13,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506558823] [2024-07-16 18:36:13,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:13,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:13,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:13,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:13,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506558823] [2024-07-16 18:36:13,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506558823] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-16 18:36:13,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-16 18:36:13,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-16 18:36:13,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986210753] [2024-07-16 18:36:13,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 18:36:13,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-07-16 18:36:13,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:36:13,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-07-16 18:36:13,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-07-16 18:36:13,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:13,957 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:36:13,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:36:13,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:14,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:14,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-16 18:36:14,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:14,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:14,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1787678892, now seen corresponding path program 1 times [2024-07-16 18:36:14,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:14,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193213706] [2024-07-16 18:36:14,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:14,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:14,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:14,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:14,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193213706] [2024-07-16 18:36:14,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193213706] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-16 18:36:14,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-16 18:36:14,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-16 18:36:14,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20322586] [2024-07-16 18:36:14,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 18:36:14,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-16 18:36:14,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:36:14,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-16 18:36:14,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-16 18:36:14,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:14,148 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:36:14,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:36:14,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:14,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:14,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:14,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:14,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-16 18:36:14,219 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:14,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:14,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1792664200, now seen corresponding path program 1 times [2024-07-16 18:36:14,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:14,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145624660] [2024-07-16 18:36:14,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:14,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:14,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:14,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:14,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145624660] [2024-07-16 18:36:14,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145624660] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-16 18:36:14,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-16 18:36:14,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-16 18:36:14,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944293627] [2024-07-16 18:36:14,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 18:36:14,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-16 18:36:14,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:36:14,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-16 18:36:14,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-07-16 18:36:14,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:14,346 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:36:14,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:36:14,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:14,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:14,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:14,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:14,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:14,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:14,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-16 18:36:14,425 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:14,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:14,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1947390842, now seen corresponding path program 1 times [2024-07-16 18:36:14,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:14,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731875983] [2024-07-16 18:36:14,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:14,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:14,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:14,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:14,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731875983] [2024-07-16 18:36:14,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731875983] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:36:14,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050155825] [2024-07-16 18:36:14,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:14,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:14,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:36:14,577 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-16 18:36:14,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-16 18:36:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:14,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 7 conjunts are in the unsatisfiable core [2024-07-16 18:36:14,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:36:14,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:14,796 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:36:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:14,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050155825] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:36:14,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:36:14,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-07-16 18:36:14,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461402850] [2024-07-16 18:36:14,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:36:14,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-07-16 18:36:14,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:36:14,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-07-16 18:36:14,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-07-16 18:36:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:14,860 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:36:14,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:36:14,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:14,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:14,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:14,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:14,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:14,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:14,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:14,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:14,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-07-16 18:36:15,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:15,187 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:15,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:15,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1924980152, now seen corresponding path program 2 times [2024-07-16 18:36:15,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:15,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990943532] [2024-07-16 18:36:15,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:15,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:15,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-16 18:36:15,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:15,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990943532] [2024-07-16 18:36:15,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990943532] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:36:15,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068142249] [2024-07-16 18:36:15,311 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-16 18:36:15,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:15,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:36:15,328 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-16 18:36:15,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-16 18:36:15,437 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-16 18:36:15,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:36:15,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2024-07-16 18:36:15,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:36:15,508 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-16 18:36:15,508 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-16 18:36:15,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068142249] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-16 18:36:15,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-16 18:36:15,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-07-16 18:36:15,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458765669] [2024-07-16 18:36:15,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 18:36:15,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-16 18:36:15,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:36:15,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-16 18:36:15,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-07-16 18:36:15,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:15,510 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:36:15,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:36:15,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:15,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:15,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:15,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:15,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:15,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:15,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:15,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:15,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:15,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:15,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-07-16 18:36:15,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:15,842 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:15,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:15,842 INFO L85 PathProgramCache]: Analyzing trace with hash 851476794, now seen corresponding path program 1 times [2024-07-16 18:36:15,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:15,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259325817] [2024-07-16 18:36:15,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:15,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:15,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-16 18:36:15,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:15,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259325817] [2024-07-16 18:36:15,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259325817] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-16 18:36:15,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-16 18:36:15,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-16 18:36:15,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545926350] [2024-07-16 18:36:15,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 18:36:15,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-16 18:36:15,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:36:15,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-16 18:36:15,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-16 18:36:15,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:15,885 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:36:15,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:36:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:15,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:15,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:15,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:15,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:15,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:15,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:15,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-07-16 18:36:15,993 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:15,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:15,993 INFO L85 PathProgramCache]: Analyzing trace with hash 2144955070, now seen corresponding path program 2 times [2024-07-16 18:36:15,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:15,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718046389] [2024-07-16 18:36:15,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:15,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:16,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:16,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:16,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718046389] [2024-07-16 18:36:16,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718046389] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:36:16,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701664641] [2024-07-16 18:36:16,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-16 18:36:16,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:16,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:36:16,078 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-16 18:36:16,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-16 18:36:16,186 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-16 18:36:16,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:36:16,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2024-07-16 18:36:16,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:36:16,251 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:16,252 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:36:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:16,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701664641] provided 1 perfect and 1 imperfect interpolant sequences [2024-07-16 18:36:16,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-07-16 18:36:16,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2024-07-16 18:36:16,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008310018] [2024-07-16 18:36:16,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 18:36:16,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-16 18:36:16,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:36:16,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-16 18:36:16,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-07-16 18:36:16,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:16,306 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:36:16,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:36:16,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:16,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:16,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:16,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:16,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:16,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:16,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:16,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:16,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:16,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:16,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:16,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:16,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-16 18:36:16,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:16,611 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:16,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:16,612 INFO L85 PathProgramCache]: Analyzing trace with hash -749680968, now seen corresponding path program 1 times [2024-07-16 18:36:16,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:16,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630819745] [2024-07-16 18:36:16,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:16,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:17,151 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:17,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:17,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630819745] [2024-07-16 18:36:17,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630819745] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:36:17,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469642570] [2024-07-16 18:36:17,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:17,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:17,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:36:17,153 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-16 18:36:17,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-16 18:36:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:17,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 25 conjunts are in the unsatisfiable core [2024-07-16 18:36:17,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:36:17,460 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 19 treesize of output 7 [2024-07-16 18:36:17,473 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-16 18:36:17,473 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:36:17,536 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-16 18:36:17,537 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 25 treesize of output 16 [2024-07-16 18:36:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-16 18:36:17,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469642570] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:36:17,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:36:17,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 20 [2024-07-16 18:36:17,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870653320] [2024-07-16 18:36:17,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:36:17,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-07-16 18:36:17,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:36:17,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-07-16 18:36:17,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2024-07-16 18:36:17,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:17,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:36:17,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.55) internal successors, (91), 20 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:36:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:17,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:36:17,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-07-16 18:36:18,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-07-16 18:36:18,163 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:18,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:18,164 INFO L85 PathProgramCache]: Analyzing trace with hash 769323668, now seen corresponding path program 2 times [2024-07-16 18:36:18,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:18,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784765761] [2024-07-16 18:36:18,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:18,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:18,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:18,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784765761] [2024-07-16 18:36:18,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784765761] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:36:18,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496665115] [2024-07-16 18:36:18,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-16 18:36:18,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:18,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:36:18,383 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) [2024-07-16 18:36:18,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-07-16 18:36:18,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-16 18:36:18,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:36:18,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 9 conjunts are in the unsatisfiable core [2024-07-16 18:36:18,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:36:18,574 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:18,574 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:36:18,646 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:18,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496665115] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:36:18,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:36:18,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2024-07-16 18:36:18,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852927104] [2024-07-16 18:36:18,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:36:18,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-07-16 18:36:18,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:36:18,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-07-16 18:36:18,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-07-16 18:36:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:18,651 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:36:18,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.705882352941177) internal successors, (97), 16 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) [2024-07-16 18:36:18,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:18,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:18,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:18,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:18,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:18,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:18,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:18,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:36:18,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:36:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:36:18,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-07-16 18:36:18,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:18,982 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:18,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:18,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1158698770, now seen corresponding path program 3 times [2024-07-16 18:36:18,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:18,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738268775] [2024-07-16 18:36:18,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:18,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:19,106 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-07-16 18:36:19,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:19,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738268775] [2024-07-16 18:36:19,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738268775] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:36:19,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294645044] [2024-07-16 18:36:19,108 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-16 18:36:19,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:19,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:36:19,109 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-16 18:36:19,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-07-16 18:36:19,223 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-07-16 18:36:19,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:36:19,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 6 conjunts are in the unsatisfiable core [2024-07-16 18:36:19,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:36:19,324 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-07-16 18:36:19,324 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:36:19,406 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-07-16 18:36:19,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294645044] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:36:19,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:36:19,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 16 [2024-07-16 18:36:19,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199266914] [2024-07-16 18:36:19,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:36:19,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-07-16 18:36:19,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:36:19,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-07-16 18:36:19,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-07-16 18:36:19,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:19,408 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:36:19,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.9375) internal successors, (111), 16 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:36:19,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:19,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:19,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:19,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:19,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:19,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:19,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:19,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:36:19,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:36:19,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:36:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:36:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-16 18:36:19,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-07-16 18:36:20,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-07-16 18:36:20,009 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:20,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:20,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1301317748, now seen corresponding path program 4 times [2024-07-16 18:36:20,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:20,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642586960] [2024-07-16 18:36:20,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:20,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:20,126 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:20,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:20,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642586960] [2024-07-16 18:36:20,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642586960] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:36:20,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792099566] [2024-07-16 18:36:20,127 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-16 18:36:20,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:20,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:36:20,148 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-16 18:36:20,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-07-16 18:36:20,218 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-16 18:36:20,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:36:20,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2024-07-16 18:36:20,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:36:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-07-16 18:36:20,297 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:36:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-07-16 18:36:20,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792099566] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:36:20,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:36:20,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 15 [2024-07-16 18:36:20,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289558156] [2024-07-16 18:36:20,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:36:20,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-07-16 18:36:20,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:36:20,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-07-16 18:36:20,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-07-16 18:36:20,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:20,347 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:36:20,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.8) internal successors, (102), 15 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) [2024-07-16 18:36:20,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:20,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:20,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:20,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:20,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:20,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:20,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:20,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:36:20,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:36:20,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-16 18:36:20,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:36:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:36:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-16 18:36:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 18:36:20,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-07-16 18:36:20,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:20,864 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:20,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:20,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1875502738, now seen corresponding path program 5 times [2024-07-16 18:36:20,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:20,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549484562] [2024-07-16 18:36:20,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:20,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:21,841 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:21,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:21,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549484562] [2024-07-16 18:36:21,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549484562] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:36:21,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346727559] [2024-07-16 18:36:21,841 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-16 18:36:21,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:21,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:36:21,842 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) [2024-07-16 18:36:21,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-07-16 18:36:21,941 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-07-16 18:36:21,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:36:21,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 57 conjunts are in the unsatisfiable core [2024-07-16 18:36:21,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:36:21,977 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 19 treesize of output 1 [2024-07-16 18:36:22,225 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-16 18:36:22,225 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 36 treesize of output 12 [2024-07-16 18:36:22,237 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:22,237 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:36:22,464 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-07-16 18:36:22,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346727559] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:36:22,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:36:22,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 12] total 36 [2024-07-16 18:36:22,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037097164] [2024-07-16 18:36:22,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:36:22,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-07-16 18:36:22,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:36:22,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-07-16 18:36:22,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1135, Unknown=0, NotChecked=0, Total=1260 [2024-07-16 18:36:22,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:22,466 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:36:22,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.611111111111111) internal successors, (130), 36 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:36:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:36:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:36:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-16 18:36:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 18:36:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:23,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:36:23,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:36:23,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:36:23,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:36:23,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:36:23,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-07-16 18:36:23,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:23,841 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:23,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:23,841 INFO L85 PathProgramCache]: Analyzing trace with hash -2121928738, now seen corresponding path program 6 times [2024-07-16 18:36:23,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:23,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822827623] [2024-07-16 18:36:23,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:23,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:24,110 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 35 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:24,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:24,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822827623] [2024-07-16 18:36:24,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822827623] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:36:24,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352239934] [2024-07-16 18:36:24,110 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-16 18:36:24,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:24,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:36:24,127 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) [2024-07-16 18:36:24,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-07-16 18:36:24,362 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-07-16 18:36:24,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:36:24,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 11 conjunts are in the unsatisfiable core [2024-07-16 18:36:24,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:36:24,555 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 53 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-07-16 18:36:24,555 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:36:24,685 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 53 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-07-16 18:36:24,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352239934] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:36:24,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:36:24,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 29 [2024-07-16 18:36:24,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292561783] [2024-07-16 18:36:24,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:36:24,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-07-16 18:36:24,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:36:24,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-07-16 18:36:24,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=706, Unknown=0, NotChecked=0, Total=870 [2024-07-16 18:36:24,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:24,687 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:36:24,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 5.233333333333333) internal successors, (157), 29 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:36:24,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:24,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:24,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:24,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:24,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:24,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:24,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:24,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:36:24,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:36:24,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:36:24,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:36:24,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:36:24,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:36:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:36:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:36:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:36:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:36:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:36:24,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-07-16 18:36:25,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-07-16 18:36:25,175 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:25,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:25,175 INFO L85 PathProgramCache]: Analyzing trace with hash -534190560, now seen corresponding path program 7 times [2024-07-16 18:36:25,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:25,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019585685] [2024-07-16 18:36:25,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:25,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 43 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:25,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:25,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019585685] [2024-07-16 18:36:25,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019585685] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:36:25,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257934300] [2024-07-16 18:36:25,390 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-16 18:36:25,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:25,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:36:25,391 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) [2024-07-16 18:36:25,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-07-16 18:36:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:25,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 13 conjunts are in the unsatisfiable core [2024-07-16 18:36:25,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:36:25,708 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-16 18:36:25,708 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:36:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-16 18:36:25,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257934300] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:36:25,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:36:25,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 29 [2024-07-16 18:36:25,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244057110] [2024-07-16 18:36:25,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:36:25,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-07-16 18:36:25,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:36:25,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-07-16 18:36:25,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=674, Unknown=0, NotChecked=0, Total=870 [2024-07-16 18:36:25,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:25,878 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:36:25,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 5.8) internal successors, (174), 29 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:36:25,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:25,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:25,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:25,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:25,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:25,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:25,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:25,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:36:25,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:36:25,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:36:25,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:36:25,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:36:25,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:36:25,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:26,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:36:26,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:36:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:36:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:36:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:36:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:36:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:36:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:36:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:36:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:36:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:36:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:36:26,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-07-16 18:36:26,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:26,273 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:36:26,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:36:26,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1441052702, now seen corresponding path program 8 times [2024-07-16 18:36:26,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:36:26,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986627717] [2024-07-16 18:36:26,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:36:26,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:36:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:36:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:29,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:36:29,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986627717] [2024-07-16 18:36:29,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986627717] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:36:29,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373328958] [2024-07-16 18:36:29,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-16 18:36:29,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:36:29,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:36:29,052 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-16 18:36:29,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-07-16 18:36:29,173 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-16 18:36:29,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:36:29,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 91 conjunts are in the unsatisfiable core [2024-07-16 18:36:29,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:36:30,159 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-16 18:36:30,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 53 treesize of output 73 [2024-07-16 18:36:30,430 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:36:30,430 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:38:02,598 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-16 18:38:02,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 83 treesize of output 226 [2024-07-16 18:38:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 15 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:38:07,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373328958] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:38:07,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:38:07,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 27] total 72 [2024-07-16 18:38:07,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417526007] [2024-07-16 18:38:07,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:38:07,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-07-16 18:38:07,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:38:07,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-07-16 18:38:07,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=915, Invalid=4298, Unknown=43, NotChecked=0, Total=5256 [2024-07-16 18:38:07,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:07,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:38:07,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 2.7945205479452055) internal successors, (204), 72 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:38:07,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:07,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:07,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:07,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:07,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:38:07,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:38:07,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:07,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:38:07,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:38:07,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:38:07,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:38:07,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:38:07,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:38:07,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:38:07,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:38:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:38:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:38:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:38:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:38:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:38:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:38:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:38:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:38:11,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:38:11,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-07-16 18:38:11,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-07-16 18:38:11,267 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:38:11,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:38:11,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1387941718, now seen corresponding path program 9 times [2024-07-16 18:38:11,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:38:11,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470529858] [2024-07-16 18:38:11,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:38:11,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:38:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:38:11,523 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 72 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:38:11,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:38:11,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470529858] [2024-07-16 18:38:11,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470529858] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:38:11,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141289189] [2024-07-16 18:38:11,525 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-16 18:38:11,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:38:11,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:38:11,533 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) [2024-07-16 18:38:11,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-07-16 18:38:11,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-07-16 18:38:11,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:38:11,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 15 conjunts are in the unsatisfiable core [2024-07-16 18:38:11,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:38:12,038 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 98 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-16 18:38:12,038 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:38:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 98 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-16 18:38:12,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141289189] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:38:12,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:38:12,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 35 [2024-07-16 18:38:12,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021333571] [2024-07-16 18:38:12,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:38:12,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-07-16 18:38:12,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:38:12,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-07-16 18:38:12,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=989, Unknown=0, NotChecked=0, Total=1260 [2024-07-16 18:38:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:12,353 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:38:12,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.583333333333333) internal successors, (201), 35 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:38:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:38:12,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:38:12,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-07-16 18:38:12,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-07-16 18:38:12,909 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:38:12,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:38:12,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1972886296, now seen corresponding path program 10 times [2024-07-16 18:38:12,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:38:12,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614861778] [2024-07-16 18:38:12,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:38:12,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:38:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:38:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 3 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:38:15,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:38:15,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614861778] [2024-07-16 18:38:15,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614861778] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:38:15,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91220365] [2024-07-16 18:38:15,708 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-16 18:38:15,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:38:15,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:38:15,709 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) [2024-07-16 18:38:15,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-07-16 18:38:15,847 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-16 18:38:15,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:38:15,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 97 conjunts are in the unsatisfiable core [2024-07-16 18:38:15,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:38:17,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-16 18:38:17,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 79 treesize of output 19 [2024-07-16 18:38:17,090 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-07-16 18:38:17,090 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:38:18,496 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-16 18:38:18,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 105 treesize of output 256 [2024-07-16 18:38:19,802 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-07-16 18:38:19,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91220365] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:38:19,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:38:19,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 25, 24] total 73 [2024-07-16 18:38:19,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562949636] [2024-07-16 18:38:19,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:38:19,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-07-16 18:38:19,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:38:19,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-07-16 18:38:19,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=400, Invalid=4856, Unknown=0, NotChecked=0, Total=5256 [2024-07-16 18:38:19,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:19,806 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:38:19,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 2.6301369863013697) internal successors, (192), 73 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:38:19,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:19,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:19,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:19,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:19,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:38:19,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:38:19,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:19,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:38:19,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:38:19,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:38:19,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:38:19,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:38:19,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:38:19,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:38:19,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:38:19,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:38:19,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:25,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:25,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:25,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:38:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:38:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:38:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:38:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:38:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:38:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:38:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:38:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:38:25,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:38:25,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:38:25,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-07-16 18:38:25,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-07-16 18:38:25,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-07-16 18:38:25,687 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:38:25,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:38:25,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1904254256, now seen corresponding path program 11 times [2024-07-16 18:38:25,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:38:25,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108667361] [2024-07-16 18:38:25,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:38:25,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:38:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:38:26,648 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 305 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:38:26,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:38:26,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108667361] [2024-07-16 18:38:26,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108667361] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:38:26,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576427685] [2024-07-16 18:38:26,648 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-16 18:38:26,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:38:26,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:38:26,677 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) [2024-07-16 18:38:26,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-07-16 18:38:26,923 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-07-16 18:38:26,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:38:26,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 17 conjunts are in the unsatisfiable core [2024-07-16 18:38:26,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:38:27,359 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 314 proven. 21 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-07-16 18:38:27,359 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:38:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 314 proven. 21 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-07-16 18:38:27,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576427685] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:38:27,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:38:27,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 15, 15] total 56 [2024-07-16 18:38:27,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906386357] [2024-07-16 18:38:27,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:38:27,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-07-16 18:38:27,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:38:27,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-07-16 18:38:27,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=527, Invalid=2665, Unknown=0, NotChecked=0, Total=3192 [2024-07-16 18:38:27,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:27,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:38:27,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 4.5964912280701755) internal successors, (262), 56 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:38:27,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:27,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:27,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:27,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:27,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:38:27,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:38:27,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:27,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:38:27,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:38:27,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:38:27,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:38:27,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:38:27,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:38:27,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:38:27,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:38:27,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:38:27,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-07-16 18:38:27,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:38:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:38:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:38:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:38:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:38:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:38:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:38:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:38:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:38:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:38:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:38:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-07-16 18:38:28,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:38:28,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-07-16 18:38:28,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-07-16 18:38:28,320 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:38:28,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:38:28,320 INFO L85 PathProgramCache]: Analyzing trace with hash -103959634, now seen corresponding path program 12 times [2024-07-16 18:38:28,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:38:28,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825496519] [2024-07-16 18:38:28,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:38:28,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:38:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:38:29,142 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 305 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:38:29,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:38:29,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825496519] [2024-07-16 18:38:29,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825496519] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:38:29,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361754318] [2024-07-16 18:38:29,142 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-16 18:38:29,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:38:29,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:38:29,143 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) [2024-07-16 18:38:29,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-07-16 18:38:29,413 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-07-16 18:38:29,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:38:29,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 22 conjunts are in the unsatisfiable core [2024-07-16 18:38:29,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:38:29,982 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 400 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:38:29,982 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:38:30,547 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 400 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:38:30,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361754318] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:38:30,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:38:30,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 20, 20] total 68 [2024-07-16 18:38:30,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066281173] [2024-07-16 18:38:30,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:38:30,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-07-16 18:38:30,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:38:30,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-07-16 18:38:30,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=828, Invalid=3864, Unknown=0, NotChecked=0, Total=4692 [2024-07-16 18:38:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:30,550 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:38:30,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 4.884057971014493) internal successors, (337), 68 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:38:30,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:30,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:30,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:38:30,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:30,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:38:30,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:30,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:38:30,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:30,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:38:30,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:38:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:38:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:38:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:38:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:38:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:38:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:38:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:38:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:38:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:38:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:38:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-07-16 18:38:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:38:30,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-16 18:38:30,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-07-16 18:38:31,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:38:31,058 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:38:31,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:38:31,059 INFO L85 PathProgramCache]: Analyzing trace with hash 2115171374, now seen corresponding path program 13 times [2024-07-16 18:38:31,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:38:31,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208622135] [2024-07-16 18:38:31,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:38:31,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:38:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:38:38,995 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 16 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:38:38,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:38:38,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208622135] [2024-07-16 18:38:38,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208622135] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:38:38,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410054320] [2024-07-16 18:38:38,995 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-16 18:38:38,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:38:38,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:38:38,996 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) [2024-07-16 18:38:38,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-07-16 18:38:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:38:39,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 169 conjunts are in the unsatisfiable core [2024-07-16 18:38:39,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:38:43,220 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-16 18:38:43,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 149 treesize of output 29 [2024-07-16 18:38:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-07-16 18:38:43,236 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:38:50,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-16 18:38:50,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 205 treesize of output 1006 [2024-07-16 18:39:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-07-16 18:39:14,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410054320] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:39:14,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:39:14,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 44, 44] total 137 [2024-07-16 18:39:14,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642335361] [2024-07-16 18:39:14,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:39:14,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2024-07-16 18:39:14,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:39:14,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2024-07-16 18:39:14,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1380, Invalid=17252, Unknown=0, NotChecked=0, Total=18632 [2024-07-16 18:39:14,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:39:14,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:39:14,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 2.2992700729927007) internal successors, (315), 137 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:39:14,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:39:14,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:39:14,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:39:14,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:39:14,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:39:14,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:39:14,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:39:14,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:39:14,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:39:14,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:39:14,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:39:14,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:39:14,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:39:14,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:39:14,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:39:14,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:39:14,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-07-16 18:39:14,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:39:14,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-16 18:39:14,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:39:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:39:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:39:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:39:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:39:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:39:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:39:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:39:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:39:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:39:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:39:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:39:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:39:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:39:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:39:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:39:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:39:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-07-16 18:39:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:39:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-16 18:39:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-07-16 18:39:35,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-07-16 18:39:35,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:39:35,720 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:39:35,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:39:35,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1934746718, now seen corresponding path program 14 times [2024-07-16 18:39:35,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:39:35,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402190421] [2024-07-16 18:39:35,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:39:35,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:39:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:39:37,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1666 backedges. 1395 proven. 271 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:39:37,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:39:37,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402190421] [2024-07-16 18:39:37,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402190421] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:39:37,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241302248] [2024-07-16 18:39:37,910 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-16 18:39:37,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:39:37,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:39:37,911 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) [2024-07-16 18:39:37,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-07-16 18:39:38,147 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-16 18:39:38,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:39:38,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 27 conjunts are in the unsatisfiable core [2024-07-16 18:39:38,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:39:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1666 backedges. 1229 proven. 66 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2024-07-16 18:39:39,137 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:39:40,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1666 backedges. 1229 proven. 66 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2024-07-16 18:39:40,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241302248] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:39:40,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:39:40,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 25, 25] total 101 [2024-07-16 18:39:40,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963280222] [2024-07-16 18:39:40,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:39:40,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-07-16 18:39:40,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:39:40,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-07-16 18:39:40,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1672, Invalid=8630, Unknown=0, NotChecked=0, Total=10302 [2024-07-16 18:39:40,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:39:40,121 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:39:40,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 4.284313725490196) internal successors, (437), 101 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2024-07-16 18:39:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:39:40,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:39:40,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:39:40,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:39:40,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:39:40,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:39:40,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:39:40,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:39:40,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:39:40,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:39:40,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:39:40,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:39:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:39:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:39:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:39:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:39:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:39:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-07-16 18:39:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:39:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-16 18:39:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-07-16 18:39:40,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-16 18:39:40,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-07-16 18:39:40,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-07-16 18:39:40,669 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:39:40,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:39:40,669 INFO L85 PathProgramCache]: Analyzing trace with hash 373119136, now seen corresponding path program 15 times [2024-07-16 18:39:40,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:39:40,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258021337] [2024-07-16 18:39:40,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:39:40,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:39:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:39:42,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1678 backedges. 1395 proven. 283 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:39:42,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:39:42,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258021337] [2024-07-16 18:39:42,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258021337] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:39:42,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087843828] [2024-07-16 18:39:42,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-16 18:39:42,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:39:42,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:39:42,813 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) [2024-07-16 18:39:42,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-07-16 18:39:43,430 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2024-07-16 18:39:43,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:39:43,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 37 conjunts are in the unsatisfiable core [2024-07-16 18:39:43,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:39:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1678 backedges. 1600 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:39:44,768 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:39:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1678 backedges. 1600 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:39:46,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087843828] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 18:39:46,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 18:39:46,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 35, 35] total 123 [2024-07-16 18:39:46,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739467921] [2024-07-16 18:39:46,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 18:39:46,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-07-16 18:39:46,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 18:39:46,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-07-16 18:39:46,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2668, Invalid=12584, Unknown=0, NotChecked=0, Total=15252 [2024-07-16 18:39:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:39:46,358 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 18:39:46,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 4.774193548387097) internal successors, (592), 123 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 18:39:46,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:39:46,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:39:46,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:39:46,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:39:46,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:39:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:39:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:39:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:39:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:39:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:39:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:39:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:39:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:39:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:39:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:39:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:39:46,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-07-16 18:39:46,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:39:46,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-16 18:39:46,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2024-07-16 18:39:46,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-07-16 18:39:46,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:39:46,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 18:39:46,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 18:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:39:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-16 18:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-16 18:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 18:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 18:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 18:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-16 18:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 18:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-16 18:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-16 18:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-16 18:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-07-16 18:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-07-16 18:39:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-16 18:39:46,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-16 18:39:46,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-07-16 18:39:46,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-16 18:39:46,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-16 18:39:46,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-07-16 18:39:46,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:39:46,935 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-16 18:39:46,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 18:39:46,936 INFO L85 PathProgramCache]: Analyzing trace with hash 446164382, now seen corresponding path program 16 times [2024-07-16 18:39:46,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 18:39:46,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712065967] [2024-07-16 18:39:46,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 18:39:46,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 18:39:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 18:40:21,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 93 proven. 1738 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-16 18:40:21,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 18:40:21,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712065967] [2024-07-16 18:40:21,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712065967] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 18:40:21,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950312734] [2024-07-16 18:40:21,279 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-16 18:40:21,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 18:40:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 18:40:21,280 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) [2024-07-16 18:40:21,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-07-16 18:40:21,598 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-16 18:40:21,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 18:40:21,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 337 conjunts are in the unsatisfiable core [2024-07-16 18:40:21,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 18:40:37,449 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-16 18:40:37,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 289 treesize of output 49 [2024-07-16 18:40:37,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 0 proven. 1621 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-07-16 18:40:37,464 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 18:41:29,661 WARN L293 SmtUtils]: Spent 19.00s on a formula simplification that was a NOOP. DAG size: 1339 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-07-16 18:41:29,663 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-16 18:41:29,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 40 select indices, 40 select index equivalence classes, 0 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 780 case distinctions, treesize of input 405 treesize of output 4006 Killed by 15