./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dfe144c0 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/popl20-prod-cons.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 7225a3dc80a635bdf8bc0a0aebf3fff6c385d87e3635c30eb2fdc2ad9b10efb0 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-dfe144c-m [2024-07-20 19:47:10,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-20 19:47:10,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-20 19:47:10,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-20 19:47:10,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-20 19:47:10,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-20 19:47:10,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-20 19:47:10,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-20 19:47:10,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-20 19:47:10,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-20 19:47:10,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-20 19:47:10,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-20 19:47:10,329 INFO L153 SettingsManager]: * Use SBE=true [2024-07-20 19:47:10,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-20 19:47:10,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-20 19:47:10,330 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-20 19:47:10,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-20 19:47:10,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-20 19:47:10,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-20 19:47:10,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-20 19:47:10,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-20 19:47:10,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-20 19:47:10,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-20 19:47:10,335 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-20 19:47:10,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-20 19:47:10,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-20 19:47:10,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-20 19:47:10,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-20 19:47:10,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-20 19:47:10,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-20 19:47:10,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-20 19:47:10,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-20 19:47:10,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-20 19:47:10,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-20 19:47:10,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-20 19:47:10,339 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-20 19:47:10,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-20 19:47:10,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-20 19:47:10,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-20 19:47:10,340 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-20 19:47:10,340 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-20 19:47:10,340 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-20 19:47:10,340 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7225a3dc80a635bdf8bc0a0aebf3fff6c385d87e3635c30eb2fdc2ad9b10efb0 [2024-07-20 19:47:10,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-20 19:47:10,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-20 19:47:10,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-20 19:47:10,578 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-20 19:47:10,578 INFO L274 PluginConnector]: CDTParser initialized [2024-07-20 19:47:10,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c [2024-07-20 19:47:11,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-20 19:47:11,857 INFO L384 CDTParser]: Found 1 translation units. [2024-07-20 19:47:11,857 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c [2024-07-20 19:47:11,864 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/14718d9a8/9a8e1e8cf46f474f959ad20911d3d92c/FLAG065149d07 [2024-07-20 19:47:11,873 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/14718d9a8/9a8e1e8cf46f474f959ad20911d3d92c [2024-07-20 19:47:11,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-20 19:47:11,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-20 19:47:11,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-20 19:47:11,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-20 19:47:11,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-20 19:47:11,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 07:47:11" (1/1) ... [2024-07-20 19:47:11,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed08c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:47:11, skipping insertion in model container [2024-07-20 19:47:11,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 07:47:11" (1/1) ... [2024-07-20 19:47:11,912 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-20 19:47:12,111 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/popl20-prod-cons.wvr.c[3095,3108] [2024-07-20 19:47:12,117 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-20 19:47:12,123 INFO L202 MainTranslator]: Completed pre-run [2024-07-20 19:47:12,137 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/popl20-prod-cons.wvr.c[3095,3108] [2024-07-20 19:47:12,139 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-20 19:47:12,156 INFO L206 MainTranslator]: Completed translation [2024-07-20 19:47:12,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:47:12 WrapperNode [2024-07-20 19:47:12,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-20 19:47:12,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-20 19:47:12,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-20 19:47:12,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-20 19:47:12,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:47:12" (1/1) ... [2024-07-20 19:47:12,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:47:12" (1/1) ... [2024-07-20 19:47:12,197 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 156 [2024-07-20 19:47:12,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-20 19:47:12,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-20 19:47:12,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-20 19:47:12,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-20 19:47:12,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:47:12" (1/1) ... [2024-07-20 19:47:12,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:47:12" (1/1) ... [2024-07-20 19:47:12,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:47:12" (1/1) ... [2024-07-20 19:47:12,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:47:12" (1/1) ... [2024-07-20 19:47:12,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:47:12" (1/1) ... [2024-07-20 19:47:12,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:47:12" (1/1) ... [2024-07-20 19:47:12,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:47:12" (1/1) ... [2024-07-20 19:47:12,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:47:12" (1/1) ... [2024-07-20 19:47:12,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-20 19:47:12,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-20 19:47:12,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-20 19:47:12,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-20 19:47:12,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:47:12" (1/1) ... [2024-07-20 19:47:12,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-20 19:47:12,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:47:12,285 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) [2024-07-20 19:47:12,291 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 [2024-07-20 19:47:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-20 19:47:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-20 19:47:12,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-20 19:47:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-20 19:47:12,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-20 19:47:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-20 19:47:12,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-20 19:47:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-20 19:47:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-20 19:47:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-20 19:47:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-20 19:47:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-07-20 19:47:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-20 19:47:12,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-20 19:47:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-20 19:47:12,326 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-20 19:47:12,395 INFO L244 CfgBuilder]: Building ICFG [2024-07-20 19:47:12,396 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-20 19:47:12,574 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-20 19:47:12,574 INFO L293 CfgBuilder]: Performing block encoding [2024-07-20 19:47:12,699 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-20 19:47:12,699 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-07-20 19:47:12,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 07:47:12 BoogieIcfgContainer [2024-07-20 19:47:12,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-20 19:47:12,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-20 19:47:12,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-20 19:47:12,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-20 19:47:12,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 07:47:11" (1/3) ... [2024-07-20 19:47:12,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc4506f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 07:47:12, skipping insertion in model container [2024-07-20 19:47:12,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:47:12" (2/3) ... [2024-07-20 19:47:12,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc4506f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 07:47:12, skipping insertion in model container [2024-07-20 19:47:12,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 07:47:12" (3/3) ... [2024-07-20 19:47:12,706 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons.wvr.c [2024-07-20 19:47:12,712 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-20 19:47:12,719 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-20 19:47:12,719 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-20 19:47:12,719 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-20 19:47:12,753 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-07-20 19:47:12,783 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-20 19:47:12,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-20 19:47:12,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:47:12,785 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) [2024-07-20 19:47:12,794 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 [2024-07-20 19:47:12,815 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-20 19:47:12,835 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-20 19:47:12,842 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;@23b01de6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-20 19:47:12,843 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-20 19:47:13,007 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:47:13,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:47:13,012 INFO L85 PathProgramCache]: Analyzing trace with hash 32267007, now seen corresponding path program 1 times [2024-07-20 19:47:13,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:47:13,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158545225] [2024-07-20 19:47:13,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:47:13,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:47:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:47:13,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:47:13,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:47:13,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158545225] [2024-07-20 19:47:13,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158545225] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-20 19:47:13,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-20 19:47:13,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-20 19:47:13,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487586184] [2024-07-20 19:47:13,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-20 19:47:13,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-20 19:47:13,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:47:13,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-20 19:47:13,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-20 19:47:13,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:13,403 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:47:13,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:47:13,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:13,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:13,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-20 19:47:13,487 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:47:13,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:47:13,487 INFO L85 PathProgramCache]: Analyzing trace with hash -373606020, now seen corresponding path program 1 times [2024-07-20 19:47:13,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:47:13,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454001112] [2024-07-20 19:47:13,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:47:13,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:47:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:47:13,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:47:13,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:47:13,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454001112] [2024-07-20 19:47:13,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454001112] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-20 19:47:13,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-20 19:47:13,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-20 19:47:13,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932262077] [2024-07-20 19:47:13,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-20 19:47:13,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-20 19:47:13,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:47:13,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-20 19:47:13,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-20 19:47:13,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:13,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:47:13,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:47:13,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:13,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:13,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:13,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-20 19:47:13,673 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:47:13,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:47:13,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1868354844, now seen corresponding path program 1 times [2024-07-20 19:47:13,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:47:13,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538009187] [2024-07-20 19:47:13,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:47:13,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:47:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:47:13,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:47:13,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:47:13,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538009187] [2024-07-20 19:47:13,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538009187] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-20 19:47:13,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-20 19:47:13,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-20 19:47:13,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950989321] [2024-07-20 19:47:13,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-20 19:47:13,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-20 19:47:13,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:47:13,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-20 19:47:13,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-20 19:47:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:13,818 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:47:13,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 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) [2024-07-20 19:47:13,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:13,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:13,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:13,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:13,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:13,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-20 19:47:13,865 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:47:13,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:47:13,865 INFO L85 PathProgramCache]: Analyzing trace with hash 837796172, now seen corresponding path program 1 times [2024-07-20 19:47:13,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:47:13,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566413151] [2024-07-20 19:47:13,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:47:13,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:47:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:47:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:47:14,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:47:14,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566413151] [2024-07-20 19:47:14,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566413151] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:47:14,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063713485] [2024-07-20 19:47:14,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:47:14,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:47:14,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:47:14,121 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) [2024-07-20 19:47:14,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-20 19:47:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:47:14,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 14 conjunts are in the unsatisfiable core [2024-07-20 19:47:14,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:47:14,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:47:14,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:47:14,871 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:47:14,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063713485] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:47:14,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:47:14,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 21 [2024-07-20 19:47:14,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448734198] [2024-07-20 19:47:14,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:47:14,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-07-20 19:47:14,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:47:14,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-07-20 19:47:14,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2024-07-20 19:47:14,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:14,875 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:47:14,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.190476190476191) internal successors, (88), 21 states have internal predecessors, (88), 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) [2024-07-20 19:47:14,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:14,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:14,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:14,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:15,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:15,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:15,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:15,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:47:15,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-07-20 19:47:15,840 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 [2024-07-20 19:47:15,841 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:47:15,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:47:15,841 INFO L85 PathProgramCache]: Analyzing trace with hash 554665285, now seen corresponding path program 1 times [2024-07-20 19:47:15,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:47:15,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228173822] [2024-07-20 19:47:15,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:47:15,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:47:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:47:15,962 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-20 19:47:15,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:47:15,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228173822] [2024-07-20 19:47:15,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228173822] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-20 19:47:15,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-20 19:47:15,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-20 19:47:15,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825673106] [2024-07-20 19:47:15,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-20 19:47:15,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-20 19:47:15,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:47:15,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-20 19:47:15,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-07-20 19:47:15,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:15,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:47:15,965 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) [2024-07-20 19:47:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-07-20 19:47:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:16,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:16,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:16,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:16,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-20 19:47:16,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:16,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-20 19:47:16,071 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:47:16,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:47:16,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1217780427, now seen corresponding path program 2 times [2024-07-20 19:47:16,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:47:16,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562131135] [2024-07-20 19:47:16,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:47:16,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:47:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:47:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:47:16,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:47:16,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562131135] [2024-07-20 19:47:16,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562131135] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:47:16,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149608175] [2024-07-20 19:47:16,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 19:47:16,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:47:16,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:47:16,217 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) [2024-07-20 19:47:16,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-20 19:47:16,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 19:47:16,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:47:16,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 11 conjunts are in the unsatisfiable core [2024-07-20 19:47:16,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:47:16,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-20 19:47:16,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:47:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-20 19:47:16,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149608175] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:47:16,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:47:16,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 16 [2024-07-20 19:47:16,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91154146] [2024-07-20 19:47:16,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:47:16,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-07-20 19:47:16,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:47:16,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-07-20 19:47:16,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-07-20 19:47:16,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:16,554 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:47:16,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 16 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-20 19:47:16,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:16,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:16,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:16,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-20 19:47:16,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:16,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-07-20 19:47:17,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:17,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-07-20 19:47:17,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-07-20 19:47:17,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:47:17,775 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:47:17,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:47:17,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1917546999, now seen corresponding path program 2 times [2024-07-20 19:47:17,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:47:17,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434996668] [2024-07-20 19:47:17,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:47:17,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:47:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:47:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:47:17,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:47:17,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434996668] [2024-07-20 19:47:17,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434996668] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:47:17,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498082356] [2024-07-20 19:47:17,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 19:47:17,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:47:17,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:47:17,856 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) [2024-07-20 19:47:17,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-20 19:47:17,920 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 19:47:17,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:47:17,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 9 conjunts are in the unsatisfiable core [2024-07-20 19:47:17,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:47:18,023 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:47:18,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:47:18,206 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:47:18,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498082356] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:47:18,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:47:18,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-07-20 19:47:18,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357554917] [2024-07-20 19:47:18,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:47:18,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-07-20 19:47:18,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:47:18,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-07-20 19:47:18,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-07-20 19:47:18,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:18,213 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:47:18,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.1875) internal successors, (99), 15 states have internal predecessors, (99), 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) [2024-07-20 19:47:18,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:18,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:18,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:18,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-07-20 19:47:18,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:18,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-07-20 19:47:18,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:18,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:18,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:18,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-07-20 19:47:18,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:18,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-07-20 19:47:18,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:47:18,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-20 19:47:18,526 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 [2024-07-20 19:47:18,527 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:47:18,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:47:18,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1648174687, now seen corresponding path program 3 times [2024-07-20 19:47:18,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:47:18,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580623690] [2024-07-20 19:47:18,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:47:18,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:47:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:47:19,208 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:47:19,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:47:19,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580623690] [2024-07-20 19:47:19,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580623690] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:47:19,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285669328] [2024-07-20 19:47:19,209 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 19:47:19,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:47:19,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:47:19,210 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) [2024-07-20 19:47:19,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-20 19:47:19,308 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-07-20 19:47:19,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:47:19,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 33 conjunts are in the unsatisfiable core [2024-07-20 19:47:19,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:47:19,614 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 12 treesize of output 3 [2024-07-20 19:47:19,847 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:47:19,847 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:47:20,266 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-20 19:47:20,266 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 28 treesize of output 20 [2024-07-20 19:47:20,705 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:47:20,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285669328] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:47:20,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:47:20,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 45 [2024-07-20 19:47:20,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864104952] [2024-07-20 19:47:20,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:47:20,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-07-20 19:47:20,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:47:20,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-07-20 19:47:20,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=1701, Unknown=0, NotChecked=0, Total=2070 [2024-07-20 19:47:20,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:20,708 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:47:20,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 2.8260869565217392) internal successors, (130), 45 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) [2024-07-20 19:47:20,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:20,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:20,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:20,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-07-20 19:47:20,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:20,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-07-20 19:47:20,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:47:20,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-07-20 19:47:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:47:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:47:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-07-20 19:47:23,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-07-20 19:47:23,711 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 [2024-07-20 19:47:23,712 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:47:23,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:47:23,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1794317568, now seen corresponding path program 3 times [2024-07-20 19:47:23,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:47:23,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758843726] [2024-07-20 19:47:23,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:47:23,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:47:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:47:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:47:24,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:47:24,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758843726] [2024-07-20 19:47:24,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758843726] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:47:24,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089428657] [2024-07-20 19:47:24,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 19:47:24,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:47:24,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:47:24,756 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) [2024-07-20 19:47:24,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-07-20 19:47:24,832 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-07-20 19:47:24,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:47:24,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 29 conjunts are in the unsatisfiable core [2024-07-20 19:47:24,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:47:25,237 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-20 19:47:25,237 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:47:25,480 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-20 19:47:25,480 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 28 treesize of output 20 [2024-07-20 19:47:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-07-20 19:47:25,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089428657] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:47:25,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:47:25,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 11] total 39 [2024-07-20 19:47:25,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236794754] [2024-07-20 19:47:25,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:47:25,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-07-20 19:47:25,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:47:25,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-07-20 19:47:25,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1390, Unknown=0, NotChecked=0, Total=1560 [2024-07-20 19:47:25,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:25,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:47:25,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.15) internal successors, (126), 39 states have internal predecessors, (126), 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) [2024-07-20 19:47:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-07-20 19:47:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:47:25,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:47:25,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-07-20 19:47:25,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-07-20 19:47:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:47:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:47:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:47:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-07-20 19:47:28,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-07-20 19:47:28,404 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 [2024-07-20 19:47:28,404 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:47:28,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:47:28,404 INFO L85 PathProgramCache]: Analyzing trace with hash 477529354, now seen corresponding path program 4 times [2024-07-20 19:47:28,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:47:28,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414466540] [2024-07-20 19:47:28,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:47:28,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:47:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:47:30,335 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:47:30,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:47:30,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414466540] [2024-07-20 19:47:30,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414466540] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:47:30,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276366226] [2024-07-20 19:47:30,336 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 19:47:30,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:47:30,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:47:30,337 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) [2024-07-20 19:47:30,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-07-20 19:47:30,417 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 19:47:30,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:47:30,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 40 conjunts are in the unsatisfiable core [2024-07-20 19:47:30,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:47:31,036 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:47:31,036 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:47:31,480 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-20 19:47:31,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 53 [2024-07-20 19:47:31,704 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-07-20 19:47:31,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276366226] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:47:31,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:47:31,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 16] total 56 [2024-07-20 19:47:31,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350549425] [2024-07-20 19:47:31,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:47:31,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-07-20 19:47:31,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:47:31,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-07-20 19:47:31,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=2908, Unknown=0, NotChecked=0, Total=3192 [2024-07-20 19:47:31,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:31,712 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:47:31,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 2.8421052631578947) internal successors, (162), 56 states have internal predecessors, (162), 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) [2024-07-20 19:47:31,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:31,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:31,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:31,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-07-20 19:47:31,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:31,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:47:31,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:47:31,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:47:31,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-07-20 19:47:31,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-07-20 19:47:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:47:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:47:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:47:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:47:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-07-20 19:47:37,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-07-20 19:47:37,627 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 [2024-07-20 19:47:37,627 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:47:37,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:47:37,627 INFO L85 PathProgramCache]: Analyzing trace with hash 408375811, now seen corresponding path program 4 times [2024-07-20 19:47:37,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:47:37,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403007247] [2024-07-20 19:47:37,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:47:37,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:47:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:47:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:47:39,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:47:39,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403007247] [2024-07-20 19:47:39,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403007247] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:47:39,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076772604] [2024-07-20 19:47:39,947 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 19:47:39,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:47:39,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:47:39,961 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) [2024-07-20 19:47:39,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-07-20 19:47:40,045 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 19:47:40,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:47:40,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 40 conjunts are in the unsatisfiable core [2024-07-20 19:47:40,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:47:40,722 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-20 19:47:40,722 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:47:41,069 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-20 19:47:41,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 53 [2024-07-20 19:47:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-07-20 19:47:41,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076772604] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:47:41,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:47:41,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19, 14] total 53 [2024-07-20 19:47:41,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066856256] [2024-07-20 19:47:41,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:47:41,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-07-20 19:47:41,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:47:41,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-07-20 19:47:41,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=2645, Unknown=0, NotChecked=0, Total=2862 [2024-07-20 19:47:41,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:41,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:47:41,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.9074074074074074) internal successors, (157), 53 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) [2024-07-20 19:47:41,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:41,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:41,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:41,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-07-20 19:47:41,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:41,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:47:41,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:47:41,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:47:41,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:47:41,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-07-20 19:47:41,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:44,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:44,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:44,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:44,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-07-20 19:47:44,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:44,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:47:44,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:47:44,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:47:44,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:47:44,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-07-20 19:47:44,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-07-20 19:47:44,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-07-20 19:47:44,919 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 [2024-07-20 19:47:44,919 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:47:44,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:47:44,920 INFO L85 PathProgramCache]: Analyzing trace with hash 186310314, now seen corresponding path program 5 times [2024-07-20 19:47:44,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:47:44,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502826643] [2024-07-20 19:47:44,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:47:44,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:47:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:47:49,359 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 24 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:47:49,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:47:49,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502826643] [2024-07-20 19:47:49,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502826643] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:47:49,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375882025] [2024-07-20 19:47:49,360 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 19:47:49,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:47:49,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:47:49,374 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) [2024-07-20 19:47:49,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-07-20 19:47:49,490 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-07-20 19:47:49,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:47:49,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 57 conjunts are in the unsatisfiable core [2024-07-20 19:47:49,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:47:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 5 proven. 132 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:47:50,761 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:47:51,911 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-20 19:47:51,912 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 97 treesize of output 179 [2024-07-20 19:47:52,163 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 5 proven. 105 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-07-20 19:47:52,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375882025] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:47:52,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:47:52,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 29, 23] total 82 [2024-07-20 19:47:52,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629261910] [2024-07-20 19:47:52,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:47:52,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-07-20 19:47:52,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:47:52,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-07-20 19:47:52,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=6380, Unknown=0, NotChecked=0, Total=6806 [2024-07-20 19:47:52,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:52,167 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:47:52,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 2.5060240963855422) internal successors, (208), 82 states have internal predecessors, (208), 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) [2024-07-20 19:47:52,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:52,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:52,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:52,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-07-20 19:47:52,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:47:52,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:47:52,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:47:52,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:47:52,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:47:52,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-07-20 19:47:52,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-07-20 19:47:52,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:48:01,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:48:01,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:48:01,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:01,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-07-20 19:48:01,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:01,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:48:01,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:48:01,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:48:01,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:48:01,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:48:01,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:48:01,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-07-20 19:48:01,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-07-20 19:48:01,980 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 [2024-07-20 19:48:01,981 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:48:01,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:48:01,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1005168733, now seen corresponding path program 5 times [2024-07-20 19:48:01,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:48:01,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817981142] [2024-07-20 19:48:01,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:48:01,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:48:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:48:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 8 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:48:06,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:48:06,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817981142] [2024-07-20 19:48:06,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817981142] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:48:06,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823062369] [2024-07-20 19:48:06,847 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 19:48:06,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:48:06,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:48:06,853 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) [2024-07-20 19:48:06,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-07-20 19:48:07,020 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-07-20 19:48:07,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:48:07,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 53 conjunts are in the unsatisfiable core [2024-07-20 19:48:07,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:48:08,368 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-07-20 19:48:08,369 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:48:09,637 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-20 19:48:09,637 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 97 treesize of output 179 [2024-07-20 19:48:09,968 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-07-20 19:48:09,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823062369] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:48:09,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:48:09,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 27, 24] total 80 [2024-07-20 19:48:09,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074352541] [2024-07-20 19:48:09,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:48:09,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-07-20 19:48:09,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:48:09,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-07-20 19:48:09,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=5938, Unknown=0, NotChecked=0, Total=6480 [2024-07-20 19:48:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:48:09,971 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:48:09,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 2.493827160493827) internal successors, (202), 80 states have internal predecessors, (202), 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) [2024-07-20 19:48:09,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:48:09,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:48:09,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:09,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-07-20 19:48:09,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:09,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:48:09,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:48:09,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:48:09,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:48:09,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:48:09,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:48:09,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-07-20 19:48:09,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:48:47,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:48:47,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:48:47,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:48:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:48:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:48:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:48:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:48:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:48:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:48:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-07-20 19:48:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-07-20 19:48:47,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-07-20 19:48:47,463 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 [2024-07-20 19:48:47,464 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:48:47,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:48:47,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1334561833, now seen corresponding path program 6 times [2024-07-20 19:48:47,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:48:47,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677132138] [2024-07-20 19:48:47,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:48:47,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:48:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:48:47,891 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 364 proven. 188 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-07-20 19:48:47,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:48:47,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677132138] [2024-07-20 19:48:47,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677132138] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:48:47,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020072380] [2024-07-20 19:48:47,892 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-20 19:48:47,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:48:47,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:48:47,904 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) [2024-07-20 19:48:47,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-07-20 19:48:48,058 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-07-20 19:48:48,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:48:48,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjunts are in the unsatisfiable core [2024-07-20 19:48:48,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:48:48,106 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 120 proven. 2 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-07-20 19:48:48,106 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:48:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-07-20 19:48:48,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020072380] provided 1 perfect and 1 imperfect interpolant sequences [2024-07-20 19:48:48,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-07-20 19:48:48,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [21, 4] total 25 [2024-07-20 19:48:48,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570114126] [2024-07-20 19:48:48,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-20 19:48:48,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-20 19:48:48,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:48:48,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-20 19:48:48,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2024-07-20 19:48:48,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:48:48,161 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:48:48,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) 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) [2024-07-20 19:48:48,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:48:48,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:48:48,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:48,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:48:48,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:48,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:48:48,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:48:48,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:48:48,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:48:48,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:48:48,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:48:48,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-07-20 19:48:48,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-07-20 19:48:48,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:48:48,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:48:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:48:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:48:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:48:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:48:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:48:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:48:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:48:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:48:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-07-20 19:48:48,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-07-20 19:48:48,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:48,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-07-20 19:48:48,483 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 [2024-07-20 19:48:48,483 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:48:48,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:48:48,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1403831459, now seen corresponding path program 7 times [2024-07-20 19:48:48,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:48:48,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972607482] [2024-07-20 19:48:48,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:48:48,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:48:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:48:48,874 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 298 proven. 188 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-07-20 19:48:48,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:48:48,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972607482] [2024-07-20 19:48:48,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972607482] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:48:48,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740697339] [2024-07-20 19:48:48,874 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-20 19:48:48,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:48:48,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:48:48,884 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) [2024-07-20 19:48:48,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-07-20 19:48:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:48:49,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 24 conjunts are in the unsatisfiable core [2024-07-20 19:48:49,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:48:49,541 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 441 proven. 45 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-07-20 19:48:49,541 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:48:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 357 proven. 129 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-07-20 19:48:50,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740697339] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:48:50,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:48:50,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 59 [2024-07-20 19:48:50,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204122105] [2024-07-20 19:48:50,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:48:50,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-07-20 19:48:50,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:48:50,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-07-20 19:48:50,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=686, Invalid=2854, Unknown=0, NotChecked=0, Total=3540 [2024-07-20 19:48:50,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:48:50,102 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:48:50,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 5.0) internal successors, (300), 59 states have internal predecessors, (300), 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) [2024-07-20 19:48:50,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:48:50,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:48:50,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:50,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:48:50,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:50,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:48:50,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:48:50,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:48:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:48:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:48:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:48:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-07-20 19:48:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-07-20 19:48:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:48:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:48:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:48:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:48:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:48:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:48:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:48:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:48:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:48:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:48:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-07-20 19:48:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-07-20 19:48:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:48:50,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:48:50,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-07-20 19:48:50,520 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 [2024-07-20 19:48:50,520 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:48:50,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:48:50,521 INFO L85 PathProgramCache]: Analyzing trace with hash 336060357, now seen corresponding path program 8 times [2024-07-20 19:48:50,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:48:50,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859859481] [2024-07-20 19:48:50,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:48:50,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:48:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:48:56,704 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 145 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:48:56,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:48:56,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859859481] [2024-07-20 19:48:56,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859859481] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:48:56,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052290606] [2024-07-20 19:48:56,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 19:48:56,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:48:56,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:48:56,705 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) [2024-07-20 19:48:56,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-07-20 19:48:56,834 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 19:48:56,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:48:56,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 116 conjunts are in the unsatisfiable core [2024-07-20 19:48:56,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:49:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 1 proven. 499 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:49:02,588 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:49:08,296 INFO L349 Elim1Store]: treesize reduction 360, result has 54.6 percent of original size [2024-07-20 19:49:08,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 212 treesize of output 484 [2024-07-20 19:49:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 1 proven. 499 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:49:10,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052290606] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:49:10,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:49:10,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 56, 56] total 165 [2024-07-20 19:49:10,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022773160] [2024-07-20 19:49:10,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:49:10,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 166 states [2024-07-20 19:49:10,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:49:10,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2024-07-20 19:49:10,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3841, Invalid=23549, Unknown=0, NotChecked=0, Total=27390 [2024-07-20 19:49:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:49:10,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:49:10,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 166 states, 166 states have (on average 2.2289156626506026) internal successors, (370), 165 states have internal predecessors, (370), 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) [2024-07-20 19:49:10,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:49:10,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:49:10,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:49:10,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:49:10,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:49:10,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:49:10,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:49:10,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:49:10,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:49:10,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:49:10,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:49:10,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-07-20 19:49:10,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-07-20 19:49:10,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:49:10,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:49:10,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:49:37,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:49:37,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:49:37,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:49:37,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:49:37,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:49:37,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:49:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:49:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:49:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:49:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:49:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:49:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-07-20 19:49:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-07-20 19:49:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:49:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:49:37,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-07-20 19:49:37,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-07-20 19:49:38,191 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 [2024-07-20 19:49:38,192 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:49:38,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:49:38,192 INFO L85 PathProgramCache]: Analyzing trace with hash -493141240, now seen corresponding path program 9 times [2024-07-20 19:49:38,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:49:38,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095552889] [2024-07-20 19:49:38,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:49:38,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:49:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:49:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 178 proven. 439 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:49:50,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:49:50,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095552889] [2024-07-20 19:49:50,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095552889] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:49:50,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162303029] [2024-07-20 19:49:50,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 19:49:50,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:49:50,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:49:50,403 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) [2024-07-20 19:49:50,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-07-20 19:49:50,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-07-20 19:49:50,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:49:50,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 123 conjunts are in the unsatisfiable core [2024-07-20 19:49:50,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:49:56,355 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 11 proven. 605 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:49:56,356 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:50:04,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-20 19:50:04,961 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 235 treesize of output 1037 [2024-07-20 19:50:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 15 proven. 524 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-07-20 19:50:06,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162303029] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:50:06,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:50:06,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 60, 49] total 168 [2024-07-20 19:50:06,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482236114] [2024-07-20 19:50:06,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:50:06,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 169 states [2024-07-20 19:50:06,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:50:06,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2024-07-20 19:50:06,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1875, Invalid=26517, Unknown=0, NotChecked=0, Total=28392 [2024-07-20 19:50:06,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:50:06,381 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:50:06,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 169 states, 169 states have (on average 2.2485207100591715) internal successors, (380), 168 states have internal predecessors, (380), 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) [2024-07-20 19:50:06,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:50:06,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:50:06,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:50:06,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:50:06,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:50:06,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:50:06,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:50:06,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:50:06,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:50:06,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:50:06,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:50:06,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-07-20 19:50:06,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-07-20 19:50:06,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:50:06,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:50:06,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-07-20 19:50:06,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:51:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:51:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:51:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:51:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:51:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:51:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:51:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:51:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:51:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:51:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:51:59,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:51:59,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-07-20 19:51:59,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-07-20 19:51:59,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:51:59,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:51:59,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-07-20 19:51:59,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-07-20 19:51:59,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-07-20 19:52:00,040 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 [2024-07-20 19:52:00,041 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:52:00,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:52:00,042 INFO L85 PathProgramCache]: Analyzing trace with hash -999879267, now seen corresponding path program 10 times [2024-07-20 19:52:00,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:52:00,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423006265] [2024-07-20 19:52:00,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:52:00,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:52:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:52:00,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 748 proven. 1198 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-07-20 19:52:00,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:52:00,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423006265] [2024-07-20 19:52:00,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423006265] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:52:00,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899854457] [2024-07-20 19:52:00,902 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 19:52:00,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:52:00,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:52:00,904 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) [2024-07-20 19:52:00,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-07-20 19:52:01,097 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 19:52:01,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:52:01,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 40 conjunts are in the unsatisfiable core [2024-07-20 19:52:01,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:52:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 2163 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-07-20 19:52:02,313 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:52:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 1959 proven. 295 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-07-20 19:52:03,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899854457] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:52:03,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:52:03,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 37, 37] total 100 [2024-07-20 19:52:03,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571793904] [2024-07-20 19:52:03,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:52:03,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-07-20 19:52:03,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:52:03,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-07-20 19:52:03,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2196, Invalid=7904, Unknown=0, NotChecked=0, Total=10100 [2024-07-20 19:52:03,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:52:03,821 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:52:03,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 5.742574257425742) internal successors, (580), 100 states have internal predecessors, (580), 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) [2024-07-20 19:52:03,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:52:03,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:52:03,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:52:03,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:52:03,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:52:03,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:52:03,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:52:03,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:52:03,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:52:03,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:52:03,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:52:03,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-07-20 19:52:03,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-07-20 19:52:03,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:52:03,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:52:03,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-07-20 19:52:03,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-07-20 19:52:03,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:52:04,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:52:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:52:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:52:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:52:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:52:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:52:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:52:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:52:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:52:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:52:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:52:04,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-07-20 19:52:04,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-07-20 19:52:04,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:52:04,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:52:04,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-07-20 19:52:04,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-07-20 19:52:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-20 19:52:04,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-07-20 19:52:04,393 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 [2024-07-20 19:52:04,394 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:52:04,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:52:04,394 INFO L85 PathProgramCache]: Analyzing trace with hash 67816965, now seen corresponding path program 11 times [2024-07-20 19:52:04,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:52:04,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725380722] [2024-07-20 19:52:04,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:52:04,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:52:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:52:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 1507 proven. 913 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:52:35,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:52:35,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725380722] [2024-07-20 19:52:35,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725380722] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:52:35,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713747880] [2024-07-20 19:52:35,738 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 19:52:35,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:52:35,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:52:35,739 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) [2024-07-20 19:52:35,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-07-20 19:52:36,490 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2024-07-20 19:52:36,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:52:36,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 236 conjunts are in the unsatisfiable core [2024-07-20 19:52:36,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:53:04,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 1 proven. 2419 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:53:04,409 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:53:50,638 WARN L293 SmtUtils]: Spent 6.96s on a formula simplification. DAG size of input: 1469 DAG size of output: 799 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-07-20 19:53:50,638 INFO L349 Elim1Store]: treesize reduction 2100, result has 51.9 percent of original size [2024-07-20 19:53:50,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 42 select indices, 42 select index equivalence classes, 0 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 861 case distinctions, treesize of input 488 treesize of output 2380 [2024-07-20 19:53:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 1 proven. 2419 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:53:57,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713747880] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:53:57,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:53:57,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [116, 116, 116] total 345 [2024-07-20 19:53:57,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200892613] [2024-07-20 19:53:57,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:53:57,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 346 states [2024-07-20 19:53:57,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:53:57,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 346 interpolants. [2024-07-20 19:53:57,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18838, Invalid=100532, Unknown=0, NotChecked=0, Total=119370 [2024-07-20 19:53:57,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:53:57,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:53:57,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 346 states, 346 states have (on average 2.1098265895953756) internal successors, (730), 345 states have internal predecessors, (730), 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) [2024-07-20 19:53:57,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:53:57,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:53:57,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:53:57,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:53:57,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:53:57,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:53:57,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:53:57,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:53:57,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:53:57,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:53:57,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:53:57,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-07-20 19:53:57,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-07-20 19:53:57,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:53:57,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:53:57,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-07-20 19:53:57,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-07-20 19:53:57,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-20 19:53:57,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:54:06,994 WARN L293 SmtUtils]: Spent 8.37s on a formula simplification. DAG size of input: 467 DAG size of output: 435 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-20 19:54:25,760 WARN L293 SmtUtils]: Spent 9.46s on a formula simplification. DAG size of input: 429 DAG size of output: 421 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-20 19:54:38,618 WARN L293 SmtUtils]: Spent 9.89s on a formula simplification. DAG size of input: 431 DAG size of output: 426 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-20 19:54:51,019 WARN L293 SmtUtils]: Spent 9.51s on a formula simplification. DAG size of input: 428 DAG size of output: 424 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-20 19:56:43,067 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 426 DAG size of output: 419 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-07-20 19:58:28,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:58:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:58:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:58:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:58:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:58:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-20 19:58:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:58:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-07-20 19:58:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-07-20 19:58:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-07-20 19:58:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-07-20 19:58:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-07-20 19:58:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-07-20 19:58:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-20 19:58:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-20 19:58:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-07-20 19:58:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-07-20 19:58:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-20 19:58:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 385 states. [2024-07-20 19:58:28,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-07-20 19:58:28,646 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 [2024-07-20 19:58:28,647 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:58:28,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:58:28,647 INFO L85 PathProgramCache]: Analyzing trace with hash 741170376, now seen corresponding path program 12 times [2024-07-20 19:58:28,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:58:28,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596878874] [2024-07-20 19:58:28,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:58:28,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:58:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:59:13,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2669 backedges. 359 proven. 2310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:59:13,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:59:13,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596878874] [2024-07-20 19:59:13,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596878874] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:59:13,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433571146] [2024-07-20 19:59:13,209 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-20 19:59:13,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:59:13,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:59:13,211 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) [2024-07-20 19:59:13,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-07-20 19:59:14,338 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2024-07-20 19:59:14,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:59:14,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 845 conjuncts, 260 conjunts are in the unsatisfiable core [2024-07-20 19:59:14,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:59:16,860 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 15 treesize of output 1 [2024-07-20 19:59:16,993 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 15 treesize of output 1 [2024-07-20 19:59:17,126 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 [2024-07-20 19:59:48,264 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-07-20 19:59:48,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 265 treesize of output 67 [2024-07-20 19:59:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2669 backedges. 23 proven. 2646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:59:49,320 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 20:00:59,245 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 1477 treesize of output 1389 Killed by 15