./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 559b036c 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-more-buffer-mult2.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 dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 --- Real Ultimate output --- This is Ultimate 0.2.3-?-559b036-m [2023-11-23 03:53:25,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 03:53:25,727 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-23 03:53:25,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 03:53:25,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 03:53:25,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 03:53:25,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 03:53:25,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 03:53:25,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 03:53:25,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 03:53:25,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 03:53:25,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 03:53:25,772 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 03:53:25,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 03:53:25,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 03:53:25,774 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 03:53:25,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 03:53:25,774 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 03:53:25,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 03:53:25,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 03:53:25,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 03:53:25,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 03:53:25,776 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 03:53:25,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 03:53:25,790 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 03:53:25,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 03:53:25,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 03:53:25,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 03:53:25,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 03:53:25,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 03:53:25,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 03:53:25,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 03:53:25,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 03:53:25,793 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 03:53:25,793 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-23 03:53:25,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 03:53:25,793 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 03:53:25,794 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-23 03:53:25,794 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 03:53:25,794 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-23 03:53:25,794 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-23 03:53:25,795 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 [2023-11-23 03:53:25,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 03:53:26,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 03:53:26,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 03:53:26,025 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 03:53:26,025 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 03:53:26,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2023-11-23 03:53:26,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 03:53:27,091 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 03:53:27,091 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2023-11-23 03:53:27,100 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5bc4ef118/cbf87225c9974788b7230046739e1cd2/FLAGa06025b5b [2023-11-23 03:53:27,110 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5bc4ef118/cbf87225c9974788b7230046739e1cd2 [2023-11-23 03:53:27,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 03:53:27,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 03:53:27,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 03:53:27,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 03:53:27,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 03:53:27,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:27" (1/1) ... [2023-11-23 03:53:27,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428b5d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:27, skipping insertion in model container [2023-11-23 03:53:27,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:27" (1/1) ... [2023-11-23 03:53:27,146 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 03:53:27,284 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] [2023-11-23 03:53:27,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 03:53:27,298 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 03:53:27,323 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] [2023-11-23 03:53:27,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 03:53:27,333 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 03:53:27,333 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 03:53:27,339 INFO L206 MainTranslator]: Completed translation [2023-11-23 03:53:27,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:27 WrapperNode [2023-11-23 03:53:27,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 03:53:27,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 03:53:27,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 03:53:27,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 03:53:27,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:27" (1/1) ... [2023-11-23 03:53:27,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:27" (1/1) ... [2023-11-23 03:53:27,375 INFO L138 Inliner]: procedures = 27, calls = 76, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 316 [2023-11-23 03:53:27,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 03:53:27,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 03:53:27,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 03:53:27,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 03:53:27,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:27" (1/1) ... [2023-11-23 03:53:27,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:27" (1/1) ... [2023-11-23 03:53:27,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:27" (1/1) ... [2023-11-23 03:53:27,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:27" (1/1) ... [2023-11-23 03:53:27,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:27" (1/1) ... [2023-11-23 03:53:27,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:27" (1/1) ... [2023-11-23 03:53:27,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:27" (1/1) ... [2023-11-23 03:53:27,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:27" (1/1) ... [2023-11-23 03:53:27,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 03:53:27,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 03:53:27,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 03:53:27,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 03:53:27,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:27" (1/1) ... [2023-11-23 03:53:27,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 03:53:27,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:53:27,440 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) [2023-11-23 03:53:27,450 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 [2023-11-23 03:53:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 03:53:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 03:53:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 03:53:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 03:53:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 03:53:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 03:53:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 03:53:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 03:53:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 03:53:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 03:53:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 03:53:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 03:53:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 03:53:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 03:53:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 03:53:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 03:53:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 03:53:27,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 03:53:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 03:53:27,479 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 03:53:27,570 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 03:53:27,572 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 03:53:27,887 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 03:53:28,175 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 03:53:28,175 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-23 03:53:28,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:28 BoogieIcfgContainer [2023-11-23 03:53:28,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 03:53:28,178 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 03:53:28,178 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 03:53:28,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 03:53:28,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:53:27" (1/3) ... [2023-11-23 03:53:28,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115048e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:53:28, skipping insertion in model container [2023-11-23 03:53:28,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:27" (2/3) ... [2023-11-23 03:53:28,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115048e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:53:28, skipping insertion in model container [2023-11-23 03:53:28,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:28" (3/3) ... [2023-11-23 03:53:28,183 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2023-11-23 03:53:28,190 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 03:53:28,197 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 03:53:28,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 03:53:28,197 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 03:53:28,239 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-23 03:53:28,277 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 03:53:28,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-23 03:53:28,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:53:28,278 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) [2023-11-23 03:53:28,300 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 [2023-11-23 03:53:28,313 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-23 03:53:28,323 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-23 03:53:28,328 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;@f8bf06e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 03:53:28,328 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-23 03:53:28,680 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 2 more)] === [2023-11-23 03:53:28,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:53:28,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1403671201, now seen corresponding path program 1 times [2023-11-23 03:53:28,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:53:28,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106201802] [2023-11-23 03:53:28,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:53:28,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:53:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:29,482 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-11-23 03:53:29,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:53:29,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106201802] [2023-11-23 03:53:29,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106201802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 03:53:29,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 03:53:29,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 03:53:29,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61380807] [2023-11-23 03:53:29,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 03:53:29,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 03:53:29,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:53:29,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 03:53:29,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 03:53:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:29,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:53:29,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 03:53:29,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:29,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:29,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 03:53:29,666 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 2 more)] === [2023-11-23 03:53:29,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:53:29,667 INFO L85 PathProgramCache]: Analyzing trace with hash 2005546654, now seen corresponding path program 1 times [2023-11-23 03:53:29,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:53:29,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468652661] [2023-11-23 03:53:29,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:53:29,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:53:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:29,940 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2023-11-23 03:53:29,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:53:29,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468652661] [2023-11-23 03:53:29,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468652661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 03:53:29,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 03:53:29,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 03:53:29,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627686826] [2023-11-23 03:53:29,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 03:53:29,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 03:53:29,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:53:29,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 03:53:29,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 03:53:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:29,943 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:53:29,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 03:53:29,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:29,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:30,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:30,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:30,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 03:53:30,006 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 2 more)] === [2023-11-23 03:53:30,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:53:30,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1307237803, now seen corresponding path program 1 times [2023-11-23 03:53:30,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:53:30,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059522526] [2023-11-23 03:53:30,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:53:30,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:53:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 53 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-23 03:53:30,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:53:30,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059522526] [2023-11-23 03:53:30,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059522526] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:53:30,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649405559] [2023-11-23 03:53:30,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:53:30,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:53:30,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:53:30,429 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) [2023-11-23 03:53:30,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 03:53:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:30,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 03:53:30,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:53:30,748 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-23 03:53:30,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:53:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 53 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-23 03:53:30,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649405559] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:53:30,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:53:30,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-23 03:53:30,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095749982] [2023-11-23 03:53:30,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:53:30,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 03:53:30,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:53:30,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 03:53:30,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-23 03:53:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:30,858 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:53:30,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 11 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) [2023-11-23 03:53:30,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:30,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:30,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:30,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:30,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:30,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:30,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 03:53:31,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-23 03:53:31,197 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 2 more)] === [2023-11-23 03:53:31,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:53:31,197 INFO L85 PathProgramCache]: Analyzing trace with hash 505549610, now seen corresponding path program 2 times [2023-11-23 03:53:31,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:53:31,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951081603] [2023-11-23 03:53:31,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:53:31,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:53:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 61 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-23 03:53:31,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:53:31,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951081603] [2023-11-23 03:53:31,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951081603] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:53:31,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040982188] [2023-11-23 03:53:31,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 03:53:31,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:53:31,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:53:31,575 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) [2023-11-23 03:53:31,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 03:53:31,739 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 03:53:31,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:53:31,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 03:53:31,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:53:31,833 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-23 03:53:31,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:53:31,927 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 59 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-23 03:53:31,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040982188] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:53:31,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:53:31,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 15 [2023-11-23 03:53:31,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458195662] [2023-11-23 03:53:31,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:53:31,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-23 03:53:31,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:53:31,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-23 03:53:31,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-11-23 03:53:31,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:31,929 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:53:31,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.466666666666667) internal successors, (127), 15 states have internal predecessors, (127), 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) [2023-11-23 03:53:31,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:31,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:31,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:31,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:32,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:32,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:32,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:32,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 03:53:32,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:53:32,315 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 2 more)] === [2023-11-23 03:53:32,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:53:32,315 INFO L85 PathProgramCache]: Analyzing trace with hash 428762206, now seen corresponding path program 3 times [2023-11-23 03:53:32,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:53:32,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896397695] [2023-11-23 03:53:32,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:53:32,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:53:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:32,707 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 112 proven. 12 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-23 03:53:32,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:53:32,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896397695] [2023-11-23 03:53:32,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896397695] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:53:32,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491075620] [2023-11-23 03:53:32,708 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 03:53:32,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:53:32,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:53:32,709 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) [2023-11-23 03:53:32,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 03:53:32,881 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-23 03:53:32,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:53:32,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 03:53:32,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:53:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-23 03:53:33,062 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:53:33,277 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 35 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-23 03:53:33,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491075620] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:53:33,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:53:33,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 21 [2023-11-23 03:53:33,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96677305] [2023-11-23 03:53:33,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:53:33,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-23 03:53:33,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:53:33,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-23 03:53:33,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2023-11-23 03:53:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:33,281 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:53:33,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 6.714285714285714) internal successors, (141), 21 states have internal predecessors, (141), 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) [2023-11-23 03:53:33,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:33,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:33,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:33,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:33,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:33,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:33,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:33,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 03:53:33,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:53:33,989 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 2 more)] === [2023-11-23 03:53:33,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:53:33,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1580044749, now seen corresponding path program 4 times [2023-11-23 03:53:33,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:53:33,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762512712] [2023-11-23 03:53:33,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:53:33,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:53:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:34,565 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 146 proven. 155 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-23 03:53:34,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:53:34,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762512712] [2023-11-23 03:53:34,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762512712] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:53:34,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864497350] [2023-11-23 03:53:34,567 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 03:53:34,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:53:34,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:53:34,568 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) [2023-11-23 03:53:34,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 03:53:34,779 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 03:53:34,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:53:34,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 03:53:34,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:53:35,295 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 372 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-23 03:53:35,296 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:53:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 307 proven. 75 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-23 03:53:35,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864497350] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:53:35,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:53:35,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 16] total 40 [2023-11-23 03:53:35,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789352414] [2023-11-23 03:53:35,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:53:35,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-11-23 03:53:35,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:53:35,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-11-23 03:53:35,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=453, Invalid=1187, Unknown=0, NotChecked=0, Total=1640 [2023-11-23 03:53:35,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:35,984 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:53:35,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 6.609756097560975) internal successors, (271), 40 states have internal predecessors, (271), 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) [2023-11-23 03:53:35,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:35,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:35,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:35,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:35,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:35,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:36,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:36,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:36,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:36,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:36,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:36,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:53:36,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 03:53:36,573 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,SelfDestructingSolverStorable5 [2023-11-23 03:53:36,573 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 2 more)] === [2023-11-23 03:53:36,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:53:36,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1675910611, now seen corresponding path program 5 times [2023-11-23 03:53:36,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:53:36,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721588179] [2023-11-23 03:53:36,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:53:36,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:53:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:36,856 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-11-23 03:53:36,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:53:36,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721588179] [2023-11-23 03:53:36,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721588179] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 03:53:36,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 03:53:36,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 03:53:36,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504437988] [2023-11-23 03:53:36,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 03:53:36,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 03:53:36,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:53:36,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 03:53:36,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 03:53:36,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:36,860 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:53:36,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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) [2023-11-23 03:53:36,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:36,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:36,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:36,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:36,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:36,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:53:36,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:36,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:36,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:36,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:36,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:36,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:36,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:53:36,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:36,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 03:53:36,933 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 2 more)] === [2023-11-23 03:53:36,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:53:36,934 INFO L85 PathProgramCache]: Analyzing trace with hash 2103671122, now seen corresponding path program 6 times [2023-11-23 03:53:36,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:53:36,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210002150] [2023-11-23 03:53:36,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:53:36,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:53:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:37,073 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-23 03:53:37,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:53:37,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210002150] [2023-11-23 03:53:37,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210002150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 03:53:37,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 03:53:37,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 03:53:37,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840970334] [2023-11-23 03:53:37,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 03:53:37,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 03:53:37,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:53:37,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 03:53:37,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 03:53:37,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:37,080 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:53:37,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 03:53:37,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:37,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:37,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:37,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:37,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:37,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:53:37,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:37,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:37,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:37,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:37,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:37,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:53:37,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:37,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:37,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 03:53:37,172 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 2 more)] === [2023-11-23 03:53:37,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:53:37,172 INFO L85 PathProgramCache]: Analyzing trace with hash -644517230, now seen corresponding path program 7 times [2023-11-23 03:53:37,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:53:37,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123037396] [2023-11-23 03:53:37,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:53:37,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:53:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:37,469 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 37 proven. 4 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-23 03:53:37,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:53:37,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123037396] [2023-11-23 03:53:37,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123037396] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:53:37,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758143871] [2023-11-23 03:53:37,470 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-23 03:53:37,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:53:37,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:53:37,471 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) [2023-11-23 03:53:37,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 03:53:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:37,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 03:53:37,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:53:37,712 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-23 03:53:37,712 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:53:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 2 proven. 57 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-23 03:53:38,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758143871] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:53:38,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:53:38,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 14] total 22 [2023-11-23 03:53:38,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119126458] [2023-11-23 03:53:38,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:53:38,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-23 03:53:38,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:53:38,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-23 03:53:38,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2023-11-23 03:53:38,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:38,027 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:53:38,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.363636363636363) internal successors, (162), 22 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) [2023-11-23 03:53:38,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:38,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:38,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:38,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:38,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:38,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:53:38,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:38,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:38,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:38,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:53:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:38,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 03:53:38,540 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 [2023-11-23 03:53:38,541 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 2 more)] === [2023-11-23 03:53:38,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:53:38,541 INFO L85 PathProgramCache]: Analyzing trace with hash -41274139, now seen corresponding path program 8 times [2023-11-23 03:53:38,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:53:38,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956422363] [2023-11-23 03:53:38,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:53:38,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:53:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:39,038 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-23 03:53:39,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:53:39,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956422363] [2023-11-23 03:53:39,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956422363] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:53:39,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505560612] [2023-11-23 03:53:39,039 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 03:53:39,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:53:39,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:53:39,040 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) [2023-11-23 03:53:39,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 03:53:39,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 03:53:39,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:53:39,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 03:53:39,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:53:39,365 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-23 03:53:39,366 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:53:39,454 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-23 03:53:39,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505560612] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:53:39,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:53:39,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 6] total 19 [2023-11-23 03:53:39,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881134661] [2023-11-23 03:53:39,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:53:39,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-23 03:53:39,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:53:39,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-23 03:53:39,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2023-11-23 03:53:39,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:39,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:53:39,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.421052631578948) internal successors, (141), 19 states have internal predecessors, (141), 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) [2023-11-23 03:53:39,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:39,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:39,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:39,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:39,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:39,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:53:39,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:39,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:39,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:39,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:53:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:40,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-11-23 03:53:40,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 03:53:41,167 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 [2023-11-23 03:53:41,168 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 2 more)] === [2023-11-23 03:53:41,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:53:41,168 INFO L85 PathProgramCache]: Analyzing trace with hash 454528233, now seen corresponding path program 9 times [2023-11-23 03:53:41,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:53:41,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119773795] [2023-11-23 03:53:41,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:53:41,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:53:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-23 03:53:41,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:53:41,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119773795] [2023-11-23 03:53:41,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119773795] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:53:41,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050017275] [2023-11-23 03:53:41,863 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 03:53:41,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:53:41,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:53:41,864 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) [2023-11-23 03:53:41,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 03:53:42,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-23 03:53:42,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:53:42,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 03:53:42,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:53:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-23 03:53:42,664 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:53:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-23 03:53:43,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050017275] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:53:43,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:53:43,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 39 [2023-11-23 03:53:43,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500988138] [2023-11-23 03:53:43,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:53:43,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-11-23 03:53:43,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:53:43,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-11-23 03:53:43,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1371, Unknown=0, NotChecked=0, Total=1560 [2023-11-23 03:53:43,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:43,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:53:43,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.2) internal successors, (168), 39 states have internal predecessors, (168), 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) [2023-11-23 03:53:43,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:43,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:43,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:43,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:43,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:43,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:53:43,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:43,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:43,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:43,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-11-23 03:53:43,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:53:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-11-23 03:53:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2023-11-23 03:53:52,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-23 03:53:52,307 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 [2023-11-23 03:53:52,307 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 2 more)] === [2023-11-23 03:53:52,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:53:52,307 INFO L85 PathProgramCache]: Analyzing trace with hash 549649445, now seen corresponding path program 10 times [2023-11-23 03:53:52,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:53:52,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274819227] [2023-11-23 03:53:52,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:53:52,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:53:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:52,650 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 43 proven. 54 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-23 03:53:52,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:53:52,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274819227] [2023-11-23 03:53:52,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274819227] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:53:52,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74542886] [2023-11-23 03:53:52,651 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 03:53:52,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:53:52,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:53:52,652 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) [2023-11-23 03:53:52,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-23 03:53:52,862 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 03:53:52,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:53:52,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 03:53:52,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:53:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 125 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 03:53:53,120 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:53:53,377 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 84 proven. 47 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 03:53:53,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74542886] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:53:53,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:53:53,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 29 [2023-11-23 03:53:53,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586417426] [2023-11-23 03:53:53,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:53:53,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-23 03:53:53,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:53:53,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-23 03:53:53,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=592, Unknown=0, NotChecked=0, Total=812 [2023-11-23 03:53:53,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:53,382 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:53:53,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 6.827586206896552) internal successors, (198), 29 states have internal predecessors, (198), 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) [2023-11-23 03:53:53,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:53,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:53,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:53,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:53,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:53,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:53:53,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:53,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:53,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:53,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-11-23 03:53:53,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2023-11-23 03:53:53,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:53,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:53,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:53,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:53:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-11-23 03:53:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2023-11-23 03:53:53,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:53:53,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-23 03:53:53,747 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 [2023-11-23 03:53:53,748 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 2 more)] === [2023-11-23 03:53:53,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:53:53,749 INFO L85 PathProgramCache]: Analyzing trace with hash 433708528, now seen corresponding path program 11 times [2023-11-23 03:53:53,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:53:53,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737160195] [2023-11-23 03:53:53,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:53:53,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:53:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:53:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 58 proven. 37 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-11-23 03:53:54,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:53:54,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737160195] [2023-11-23 03:53:54,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737160195] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:53:54,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649780463] [2023-11-23 03:53:54,361 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-23 03:53:54,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:53:54,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:53:54,362 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) [2023-11-23 03:53:54,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 03:53:54,809 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-11-23 03:53:54,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:53:54,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 03:53:54,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:53:55,257 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 54 proven. 64 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-23 03:53:55,257 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:53:55,615 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 54 proven. 64 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-23 03:53:55,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649780463] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:53:55,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:53:55,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 14] total 33 [2023-11-23 03:53:55,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114961302] [2023-11-23 03:53:55,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:53:55,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-23 03:53:55,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:53:55,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-23 03:53:55,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=894, Unknown=0, NotChecked=0, Total=1122 [2023-11-23 03:53:55,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:53:55,623 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:53:55,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.970588235294118) internal successors, (203), 33 states have internal predecessors, (203), 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) [2023-11-23 03:53:55,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:55,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:55,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:53:55,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:53:55,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:55,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:53:55,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:55,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:53:55,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:53:55,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-11-23 03:53:55,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2023-11-23 03:53:55,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:53:55,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:00,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:00,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:00,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:00,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:00,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-23 03:54:01,052 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 [2023-11-23 03:54:01,052 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 2 more)] === [2023-11-23 03:54:01,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:54:01,053 INFO L85 PathProgramCache]: Analyzing trace with hash -197251403, now seen corresponding path program 12 times [2023-11-23 03:54:01,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:54:01,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412197095] [2023-11-23 03:54:01,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:54:01,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:54:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:54:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 438 proven. 286 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-11-23 03:54:01,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:54:01,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412197095] [2023-11-23 03:54:01,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412197095] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:54:01,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554824536] [2023-11-23 03:54:01,770 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-23 03:54:01,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:54:01,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:54:01,771 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) [2023-11-23 03:54:01,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 03:54:02,256 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-11-23 03:54:02,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:54:02,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 03:54:02,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:54:02,343 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 872 trivial. 0 not checked. [2023-11-23 03:54:02,344 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 03:54:02,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554824536] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 03:54:02,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 03:54:02,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16] total 20 [2023-11-23 03:54:02,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537875153] [2023-11-23 03:54:02,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 03:54:02,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 03:54:02,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:54:02,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 03:54:02,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2023-11-23 03:54:02,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:02,346 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:54:02,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 03:54:02,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:02,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:02,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:02,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:02,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:02,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:02,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:02,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:02,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:02,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:02,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:02,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:02,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:02,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:02,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-23 03:54:02,854 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 [2023-11-23 03:54:02,854 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 2 more)] === [2023-11-23 03:54:02,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:54:02,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1825558846, now seen corresponding path program 13 times [2023-11-23 03:54:02,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:54:02,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216541639] [2023-11-23 03:54:02,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:54:02,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:54:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:54:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 411 proven. 286 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-11-23 03:54:03,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:54:03,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216541639] [2023-11-23 03:54:03,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216541639] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:54:03,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179315377] [2023-11-23 03:54:03,508 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-23 03:54:03,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:54:03,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:54:03,509 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) [2023-11-23 03:54:03,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-23 03:54:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:54:03,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 03:54:03,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:54:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 642 proven. 21 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2023-11-23 03:54:04,186 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:54:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 563 proven. 100 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2023-11-23 03:54:04,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179315377] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:54:04,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:54:04,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 42 [2023-11-23 03:54:04,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092700728] [2023-11-23 03:54:04,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:54:04,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-11-23 03:54:04,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:54:04,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-11-23 03:54:04,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=1330, Unknown=0, NotChecked=0, Total=1722 [2023-11-23 03:54:04,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:04,555 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:54:04,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.5476190476190474) internal successors, (275), 42 states have internal predecessors, (275), 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) [2023-11-23 03:54:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:04,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:04,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:04,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:04,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:04,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:04,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:04,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-23 03:54:05,032 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 [2023-11-23 03:54:05,032 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 2 more)] === [2023-11-23 03:54:05,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:54:05,032 INFO L85 PathProgramCache]: Analyzing trace with hash 175972215, now seen corresponding path program 14 times [2023-11-23 03:54:05,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:54:05,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903267595] [2023-11-23 03:54:05,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:54:05,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:54:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:54:05,791 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 462 proven. 285 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-23 03:54:05,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:54:05,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903267595] [2023-11-23 03:54:05,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903267595] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:54:05,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833871724] [2023-11-23 03:54:05,792 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 03:54:05,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:54:05,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:54:05,793 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) [2023-11-23 03:54:05,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-23 03:54:06,042 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 03:54:06,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:54:06,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 03:54:06,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:54:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 704 proven. 28 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-23 03:54:06,477 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:54:06,883 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 600 proven. 132 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-23 03:54:06,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833871724] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:54:06,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:54:06,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 48 [2023-11-23 03:54:06,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938158373] [2023-11-23 03:54:06,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:54:06,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-23 03:54:06,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:54:06,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-23 03:54:06,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=504, Invalid=1752, Unknown=0, NotChecked=0, Total=2256 [2023-11-23 03:54:06,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:06,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:54:06,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 6.520833333333333) internal successors, (313), 48 states have internal predecessors, (313), 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) [2023-11-23 03:54:06,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:06,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:06,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:06,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:06,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:06,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:06,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:06,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:06,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:07,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:07,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-23 03:54:07,415 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 [2023-11-23 03:54:07,415 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 2 more)] === [2023-11-23 03:54:07,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:54:07,415 INFO L85 PathProgramCache]: Analyzing trace with hash 2093892962, now seen corresponding path program 15 times [2023-11-23 03:54:07,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:54:07,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931124319] [2023-11-23 03:54:07,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:54:07,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:54:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:54:08,674 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 528 proven. 262 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 03:54:08,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:54:08,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931124319] [2023-11-23 03:54:08,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931124319] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:54:08,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388774087] [2023-11-23 03:54:08,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 03:54:08,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:54:08,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:54:08,676 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) [2023-11-23 03:54:08,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-23 03:54:09,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-23 03:54:09,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:54:09,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 03:54:09,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:54:09,248 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 126 proven. 5 refuted. 0 times theorem prover too weak. 806 trivial. 0 not checked. [2023-11-23 03:54:09,249 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:54:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 127 proven. 4 refuted. 0 times theorem prover too weak. 806 trivial. 0 not checked. [2023-11-23 03:54:09,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388774087] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:54:09,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:54:09,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 8, 8] total 31 [2023-11-23 03:54:09,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464967561] [2023-11-23 03:54:09,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:54:09,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-23 03:54:09,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:54:09,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-23 03:54:09,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=781, Unknown=0, NotChecked=0, Total=930 [2023-11-23 03:54:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:09,391 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:54:09,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 6.354838709677419) internal successors, (197), 31 states have internal predecessors, (197), 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) [2023-11-23 03:54:09,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:09,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:09,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:09,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:09,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:09,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:09,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:09,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:09,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:09,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:09,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:09,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:09,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:09,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:09,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:09,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:09,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:10,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-23 03:54:10,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-23 03:54:10,460 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 [2023-11-23 03:54:10,461 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 2 more)] === [2023-11-23 03:54:10,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:54:10,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1074791037, now seen corresponding path program 16 times [2023-11-23 03:54:10,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:54:10,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040089822] [2023-11-23 03:54:10,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:54:10,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:54:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:54:11,667 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 555 proven. 216 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-23 03:54:11,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:54:11,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040089822] [2023-11-23 03:54:11,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040089822] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:54:11,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231395341] [2023-11-23 03:54:11,667 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 03:54:11,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:54:11,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:54:11,669 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) [2023-11-23 03:54:11,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-23 03:54:12,070 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 03:54:12,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:54:12,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-23 03:54:12,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:54:13,108 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 750 proven. 55 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-23 03:54:13,108 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:54:14,125 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 668 proven. 137 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-23 03:54:14,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231395341] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:54:14,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:54:14,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24, 24] total 68 [2023-11-23 03:54:14,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055450423] [2023-11-23 03:54:14,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:54:14,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2023-11-23 03:54:14,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:54:14,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2023-11-23 03:54:14,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=742, Invalid=3814, Unknown=0, NotChecked=0, Total=4556 [2023-11-23 03:54:14,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:14,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:54:14,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 6.720588235294118) internal successors, (457), 68 states have internal predecessors, (457), 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) [2023-11-23 03:54:14,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:14,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:14,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:14,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:14,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:14,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:14,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:14,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:14,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:14,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:14,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:14,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:14,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:14,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:14,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:14,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:14,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-11-23 03:54:14,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:14,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-23 03:54:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-23 03:54:14,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-23 03:54:14,656 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 [2023-11-23 03:54:14,656 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 2 more)] === [2023-11-23 03:54:14,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:54:14,657 INFO L85 PathProgramCache]: Analyzing trace with hash 208646664, now seen corresponding path program 17 times [2023-11-23 03:54:14,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:54:14,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837627964] [2023-11-23 03:54:14,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:54:14,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:54:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:54:15,843 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 693 proven. 99 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-23 03:54:15,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:54:15,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837627964] [2023-11-23 03:54:15,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837627964] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:54:15,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648419996] [2023-11-23 03:54:15,844 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-23 03:54:15,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:54:15,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:54:15,845 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) [2023-11-23 03:54:15,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-23 03:54:17,687 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2023-11-23 03:54:17,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:54:17,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 03:54:17,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:54:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 647 proven. 145 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-23 03:54:18,281 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:54:18,898 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 483 proven. 309 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-23 03:54:18,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648419996] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:54:18,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:54:18,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 66 [2023-11-23 03:54:18,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764889966] [2023-11-23 03:54:18,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:54:18,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-11-23 03:54:18,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:54:18,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-11-23 03:54:18,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=887, Invalid=3403, Unknown=0, NotChecked=0, Total=4290 [2023-11-23 03:54:18,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:18,902 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:54:18,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 6.090909090909091) internal successors, (402), 66 states have internal predecessors, (402), 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) [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-11-23 03:54:18,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-11-23 03:54:18,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-23 03:54:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-23 03:54:19,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:54:19,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-23 03:54:19,460 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 [2023-11-23 03:54:19,461 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 2 more)] === [2023-11-23 03:54:19,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:54:19,462 INFO L85 PathProgramCache]: Analyzing trace with hash -2051729475, now seen corresponding path program 18 times [2023-11-23 03:54:19,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:54:19,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221406602] [2023-11-23 03:54:19,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:54:19,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:54:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:54:21,936 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 295 proven. 542 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-23 03:54:21,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:54:21,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221406602] [2023-11-23 03:54:21,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221406602] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:54:21,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119935803] [2023-11-23 03:54:21,936 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-23 03:54:21,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:54:21,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:54:21,937 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) [2023-11-23 03:54:21,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-23 03:54:31,224 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2023-11-23 03:54:31,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:54:31,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-23 03:54:31,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:54:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 78 proven. 693 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 03:54:32,499 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:54:33,452 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 35 proven. 426 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2023-11-23 03:54:33,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119935803] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:54:33,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:54:33,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 30, 18] total 91 [2023-11-23 03:54:33,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044060918] [2023-11-23 03:54:33,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:54:33,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2023-11-23 03:54:33,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:54:33,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2023-11-23 03:54:33,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=939, Invalid=7433, Unknown=0, NotChecked=0, Total=8372 [2023-11-23 03:54:33,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:33,457 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:54:33,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 4.510869565217392) internal successors, (415), 91 states have internal predecessors, (415), 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) [2023-11-23 03:54:33,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:33,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:33,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:33,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:33,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:33,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:33,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-11-23 03:54:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-11-23 03:54:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:54:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:49,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-23 03:54:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:54:49,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2023-11-23 03:54:49,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-23 03:54:49,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:54:49,556 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-23 03:54:49,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:54:49,557 INFO L85 PathProgramCache]: Analyzing trace with hash 454520220, now seen corresponding path program 19 times [2023-11-23 03:54:49,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:54:49,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059422814] [2023-11-23 03:54:49,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:54:49,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:54:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:54:50,446 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 783 proven. 121 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-23 03:54:50,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:54:50,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059422814] [2023-11-23 03:54:50,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059422814] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:54:50,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241776090] [2023-11-23 03:54:50,447 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-23 03:54:50,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:54:50,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:54:50,448 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 03:54:50,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-23 03:54:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:54:50,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-23 03:54:50,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:54:51,451 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 838 proven. 66 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-23 03:54:51,452 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:54:52,225 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 663 proven. 241 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-23 03:54:52,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241776090] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:54:52,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:54:52,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 72 [2023-11-23 03:54:52,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126263281] [2023-11-23 03:54:52,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:54:52,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2023-11-23 03:54:52,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:54:52,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2023-11-23 03:54:52,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1092, Invalid=4020, Unknown=0, NotChecked=0, Total=5112 [2023-11-23 03:54:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:52,229 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:54:52,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 6.666666666666667) internal successors, (480), 72 states have internal predecessors, (480), 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) [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:52,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:52,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-11-23 03:54:52,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-11-23 03:54:52,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:54:52,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2023-11-23 03:54:52,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:54:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:54:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:54:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:54:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:54:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:54:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-11-23 03:54:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2023-11-23 03:54:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-11-23 03:54:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:54:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 03:54:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:54:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-23 03:54:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-23 03:54:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:54:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2023-11-23 03:54:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:54:52,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-23 03:54:52,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-23 03:54:52,647 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-23 03:54:52,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:54:52,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1517380183, now seen corresponding path program 20 times [2023-11-23 03:54:52,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:54:52,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984800577] [2023-11-23 03:54:52,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:54:52,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:54:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:55:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 318 proven. 691 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:55:25,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:55:25,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984800577] [2023-11-23 03:55:25,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984800577] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:55:25,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35517888] [2023-11-23 03:55:25,486 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 03:55:25,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:55:25,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:55:25,487 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 03:55:25,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-23 03:55:25,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 03:55:25,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:55:25,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 1081 conjuncts, 276 conjunts are in the unsatisfiable core [2023-11-23 03:55:25,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:55:28,030 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 [2023-11-23 03:55:28,159 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 8 treesize of output 1 [2023-11-23 03:55:28,307 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 8 treesize of output 1 [2023-11-23 03:55:28,436 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 8 treesize of output 1 [2023-11-23 03:55:28,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 03:56:09,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,554 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 03:56:09,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,578 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 03:56:09,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,582 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 03:56:09,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,585 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 03:56:09,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,605 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 03:56:09,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,607 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 03:56:09,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,613 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 03:56:09,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:56:09,615 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 03:56:11,545 INFO L349 Elim1Store]: treesize reduction 4246, result has 10.0 percent of original size [2023-11-23 03:56:11,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 32 select indices, 32 select index equivalence classes, 66 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 496 case distinctions, treesize of input 685 treesize of output 593 [2023-11-23 03:56:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 27 proven. 961 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-23 03:56:11,679 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 04:02:11,072 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 04:02:11,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 2421 treesize of output 1593 Killed by 15