./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking NONE -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 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-sorted.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 39e987e3198040ef6af9e29359b0ab7bee89306d1945f6e4e7a9286ebbe2a705 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking NONE -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 22:40:22,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 22:40:22,084 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 22:40:22,089 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 22:40:22,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 22:40:22,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 22:40:22,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 22:40:22,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 22:40:22,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 22:40:22,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 22:40:22,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 22:40:22,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 22:40:22,129 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 22:40:22,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 22:40:22,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 22:40:22,130 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 22:40:22,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 22:40:22,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 22:40:22,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 22:40:22,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 22:40:22,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 22:40:22,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 22:40:22,136 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 22:40:22,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 22:40:22,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 22:40:22,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 22:40:22,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 22:40:22,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 22:40:22,137 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 22:40:22,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 22:40:22,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 22:40:22,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 22:40:22,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 22:40:22,141 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 22:40:22,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 22:40:22,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 22:40:22,142 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 22:40:22,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 22:40:22,142 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 22:40:22,142 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 22:40:22,142 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 22:40:22,143 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39e987e3198040ef6af9e29359b0ab7bee89306d1945f6e4e7a9286ebbe2a705 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> NONE [2024-10-16 22:40:22,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 22:40:22,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 22:40:22,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 22:40:22,404 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 22:40:22,405 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 22:40:22,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c [2024-10-16 22:40:23,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 22:40:23,886 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 22:40:23,886 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c [2024-10-16 22:40:23,893 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/58af292e9/28835fdcf08b44da879fc4bc74a9e668/FLAG2aed755b5 [2024-10-16 22:40:24,276 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/58af292e9/28835fdcf08b44da879fc4bc74a9e668 [2024-10-16 22:40:24,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 22:40:24,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 22:40:24,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 22:40:24,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 22:40:24,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 22:40:24,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:40:24" (1/1) ... [2024-10-16 22:40:24,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6980e601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:40:24, skipping insertion in model container [2024-10-16 22:40:24,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:40:24" (1/1) ... [2024-10-16 22:40:24,311 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 22:40:24,506 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c[2473,2486] [2024-10-16 22:40:24,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 22:40:24,519 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 22:40:24,538 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c[2473,2486] [2024-10-16 22:40:24,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 22:40:24,554 INFO L204 MainTranslator]: Completed translation [2024-10-16 22:40:24,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:40:24 WrapperNode [2024-10-16 22:40:24,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 22:40:24,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 22:40:24,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 22:40:24,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 22:40:24,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:40:24" (1/1) ... [2024-10-16 22:40:24,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:40:24" (1/1) ... [2024-10-16 22:40:24,585 INFO L138 Inliner]: procedures = 23, calls = 22, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-10-16 22:40:24,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 22:40:24,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 22:40:24,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 22:40:24,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 22:40:24,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:40:24" (1/1) ... [2024-10-16 22:40:24,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:40:24" (1/1) ... [2024-10-16 22:40:24,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:40:24" (1/1) ... [2024-10-16 22:40:24,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:40:24" (1/1) ... [2024-10-16 22:40:24,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:40:24" (1/1) ... [2024-10-16 22:40:24,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:40:24" (1/1) ... [2024-10-16 22:40:24,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:40:24" (1/1) ... [2024-10-16 22:40:24,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:40:24" (1/1) ... [2024-10-16 22:40:24,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 22:40:24,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 22:40:24,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 22:40:24,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 22:40:24,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:40:24" (1/1) ... [2024-10-16 22:40:24,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 22:40:24,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:24,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-16 22:40:24,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-16 22:40:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 22:40:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-16 22:40:24,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-16 22:40:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-16 22:40:24,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-16 22:40:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-16 22:40:24,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-16 22:40:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 22:40:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-16 22:40:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-16 22:40:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 22:40:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 22:40:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-16 22:40:24,719 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 22:40:24,815 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 22:40:24,817 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 22:40:25,077 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 22:40:25,079 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 22:40:25,267 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 22:40:25,268 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-16 22:40:25,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:40:25 BoogieIcfgContainer [2024-10-16 22:40:25,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 22:40:25,270 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 22:40:25,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 22:40:25,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 22:40:25,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:40:24" (1/3) ... [2024-10-16 22:40:25,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67422cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:40:25, skipping insertion in model container [2024-10-16 22:40:25,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:40:24" (2/3) ... [2024-10-16 22:40:25,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67422cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:40:25, skipping insertion in model container [2024-10-16 22:40:25,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:40:25" (3/3) ... [2024-10-16 22:40:25,278 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sorted.wvr.c [2024-10-16 22:40:25,291 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 22:40:25,292 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 22:40:25,292 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 22:40:25,344 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-16 22:40:25,384 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 22:40:25,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 22:40:25,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:25,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-16 22:40:25,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-16 22:40:25,468 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 22:40:25,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 22:40:25,483 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@7e79c1ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=NONE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 22:40:25,483 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-16 22:40:26,004 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:26,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:26,013 INFO L85 PathProgramCache]: Analyzing trace with hash -591410277, now seen corresponding path program 1 times [2024-10-16 22:40:26,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:26,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294027947] [2024-10-16 22:40:26,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:26,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:26,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 22:40:26,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:26,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294027947] [2024-10-16 22:40:26,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294027947] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 22:40:26,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 22:40:26,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-16 22:40:26,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029347425] [2024-10-16 22:40:26,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 22:40:26,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 22:40:26,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:26,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 22:40:26,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 22:40:26,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:26,514 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:26,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:26,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:26,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:26,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 22:40:26,570 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:26,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:26,570 INFO L85 PathProgramCache]: Analyzing trace with hash -23664476, now seen corresponding path program 1 times [2024-10-16 22:40:26,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:26,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783357028] [2024-10-16 22:40:26,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:26,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:26,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:26,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783357028] [2024-10-16 22:40:26,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783357028] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:26,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812525272] [2024-10-16 22:40:26,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:26,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:26,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:26,800 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:26,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-16 22:40:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:26,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-16 22:40:26,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:27,024 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:27,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:27,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812525272] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:27,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:27,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-16 22:40:27,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281582629] [2024-10-16 22:40:27,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:27,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-16 22:40:27,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:27,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-16 22:40:27,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-16 22:40:27,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:27,122 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:27,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 12 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:27,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:27,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:27,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:27,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:27,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-16 22:40:27,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-16 22:40:27,438 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:27,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:27,439 INFO L85 PathProgramCache]: Analyzing trace with hash 396586171, now seen corresponding path program 2 times [2024-10-16 22:40:27,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:27,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626552031] [2024-10-16 22:40:27,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:27,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:27,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 22:40:27,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:27,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626552031] [2024-10-16 22:40:27,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626552031] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:27,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285745194] [2024-10-16 22:40:27,590 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 22:40:27,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:27,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:27,592 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:27,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-16 22:40:27,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-16 22:40:27,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:40:27,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-16 22:40:27,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:27,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 22:40:27,754 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:27,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 22:40:27,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285745194] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:27,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-16 22:40:27,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2024-10-16 22:40:27,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043652140] [2024-10-16 22:40:27,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 22:40:27,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 22:40:27,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:27,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 22:40:27,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-16 22:40:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:27,815 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:27,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:27,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:27,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:27,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:27,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-16 22:40:28,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:28,092 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:28,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:28,093 INFO L85 PathProgramCache]: Analyzing trace with hash -908328477, now seen corresponding path program 1 times [2024-10-16 22:40:28,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:28,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788689627] [2024-10-16 22:40:28,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:28,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 22:40:28,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:28,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788689627] [2024-10-16 22:40:28,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788689627] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:28,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491665735] [2024-10-16 22:40:28,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:28,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:28,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:28,268 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:28,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-16 22:40:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:28,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-16 22:40:28,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:28,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 22:40:28,468 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:28,566 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 22:40:28,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491665735] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:28,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:28,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2024-10-16 22:40:28,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440011103] [2024-10-16 22:40:28,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:28,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-16 22:40:28,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:28,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-16 22:40:28,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-10-16 22:40:28,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:28,568 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:28,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.4) internal successors, (48), 19 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:28,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:28,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:28,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:28,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:28,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-16 22:40:28,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:28,926 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:28,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:28,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1035296134, now seen corresponding path program 2 times [2024-10-16 22:40:28,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:28,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405682510] [2024-10-16 22:40:28,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:28,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 22:40:29,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:29,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405682510] [2024-10-16 22:40:29,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405682510] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:29,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721661805] [2024-10-16 22:40:29,066 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 22:40:29,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:29,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:29,069 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:29,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-16 22:40:29,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-16 22:40:29,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:40:29,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-16 22:40:29,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:29,246 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 22:40:29,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 22:40:29,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721661805] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:29,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:29,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2024-10-16 22:40:29,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312923169] [2024-10-16 22:40:29,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:29,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-16 22:40:29,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:29,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-16 22:40:29,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-10-16 22:40:29,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:29,329 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:29,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 16 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:29,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:29,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:29,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:29,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:29,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:29,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:29,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:29,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:29,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:29,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:29,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-16 22:40:29,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:29,683 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:29,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:29,683 INFO L85 PathProgramCache]: Analyzing trace with hash -498892860, now seen corresponding path program 3 times [2024-10-16 22:40:29,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:29,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620770231] [2024-10-16 22:40:29,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:29,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:29,886 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 22:40:29,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:29,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620770231] [2024-10-16 22:40:29,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620770231] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:29,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381432378] [2024-10-16 22:40:29,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-16 22:40:29,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:29,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:29,888 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:29,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-16 22:40:29,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-16 22:40:29,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:40:29,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-16 22:40:29,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-16 22:40:30,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-16 22:40:30,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381432378] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:30,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:30,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 27 [2024-10-16 22:40:30,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623311776] [2024-10-16 22:40:30,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:30,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-16 22:40:30,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:30,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-16 22:40:30,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2024-10-16 22:40:30,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:30,424 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:30,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.5555555555555554) internal successors, (69), 27 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:30,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:30,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:30,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:30,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:30,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:30,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-16 22:40:30,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-16 22:40:31,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:31,099 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:31,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:31,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1516762698, now seen corresponding path program 4 times [2024-10-16 22:40:31,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:31,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283610723] [2024-10-16 22:40:31,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:31,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:31,317 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:31,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:31,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283610723] [2024-10-16 22:40:31,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283610723] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:31,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086655623] [2024-10-16 22:40:31,318 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-16 22:40:31,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:31,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:31,322 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:31,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-16 22:40:31,408 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-16 22:40:31,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:40:31,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-16 22:40:31,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:31,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:31,635 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:31,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086655623] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:31,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:31,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2024-10-16 22:40:31,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569109247] [2024-10-16 22:40:31,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:31,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-16 22:40:31,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:31,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-16 22:40:31,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2024-10-16 22:40:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:31,637 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:31,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 21 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:31,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:31,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:31,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:31,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:31,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:31,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-16 22:40:31,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:31,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:31,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:31,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:31,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:31,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:31,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-16 22:40:31,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:31,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-16 22:40:32,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-16 22:40:32,133 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:32,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:32,134 INFO L85 PathProgramCache]: Analyzing trace with hash -541045810, now seen corresponding path program 5 times [2024-10-16 22:40:32,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:32,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147083003] [2024-10-16 22:40:32,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:32,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:32,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:32,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147083003] [2024-10-16 22:40:32,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147083003] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:32,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266930329] [2024-10-16 22:40:32,387 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-16 22:40:32,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:32,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:32,388 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:32,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-16 22:40:32,491 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-10-16 22:40:32,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:40:32,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-16 22:40:32,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:32,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:33,010 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:33,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266930329] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:33,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:33,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14, 14] total 36 [2024-10-16 22:40:33,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568640519] [2024-10-16 22:40:33,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:33,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-16 22:40:33,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:33,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-16 22:40:33,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=1021, Unknown=0, NotChecked=0, Total=1332 [2024-10-16 22:40:33,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:33,013 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:33,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.027027027027027) internal successors, (75), 36 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:33,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:33,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:33,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:33,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:33,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:33,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-16 22:40:33,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:33,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:33,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:33,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-16 22:40:33,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:33,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-16 22:40:33,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:33,311 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:33,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:33,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1225632201, now seen corresponding path program 6 times [2024-10-16 22:40:33,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:33,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330634288] [2024-10-16 22:40:33,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:33,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:33,500 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-16 22:40:33,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:33,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330634288] [2024-10-16 22:40:33,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330634288] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:33,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031530343] [2024-10-16 22:40:33,501 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-16 22:40:33,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:33,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:33,503 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:33,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-16 22:40:33,617 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-10-16 22:40:33,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:40:33,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-16 22:40:33,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:33,841 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:33,841 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:34,083 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:34,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031530343] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:34,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:34,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 13] total 32 [2024-10-16 22:40:34,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244701261] [2024-10-16 22:40:34,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:34,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-16 22:40:34,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:34,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-16 22:40:34,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=767, Unknown=0, NotChecked=0, Total=992 [2024-10-16 22:40:34,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:34,085 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:34,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.53125) internal successors, (81), 32 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:34,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:34,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:34,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:34,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:34,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:34,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-16 22:40:34,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:34,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:34,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:34,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:34,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-16 22:40:34,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:34,855 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:34,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:34,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1982107143, now seen corresponding path program 7 times [2024-10-16 22:40:34,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:34,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47549174] [2024-10-16 22:40:34,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:34,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 39 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:35,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:35,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47549174] [2024-10-16 22:40:35,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47549174] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:35,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459942425] [2024-10-16 22:40:35,464 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-16 22:40:35,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:35,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:35,465 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:35,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-16 22:40:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:35,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-16 22:40:35,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:36,032 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 42 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-16 22:40:36,032 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:36,415 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 48 proven. 28 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-16 22:40:36,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459942425] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:36,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:36,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 18] total 54 [2024-10-16 22:40:36,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036222114] [2024-10-16 22:40:36,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:36,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-10-16 22:40:36,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:36,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-10-16 22:40:36,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=568, Invalid=2402, Unknown=0, NotChecked=0, Total=2970 [2024-10-16 22:40:36,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:36,418 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:36,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.7454545454545454) internal successors, (96), 54 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:36,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:36,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:36,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:36,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:36,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:36,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:36,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:36,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:36,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:36,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:36,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-16 22:40:36,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-16 22:40:36,763 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:36,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:36,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1001051870, now seen corresponding path program 8 times [2024-10-16 22:40:36,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:36,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853393787] [2024-10-16 22:40:36,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:36,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:37,219 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 27 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:37,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:37,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853393787] [2024-10-16 22:40:37,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853393787] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:37,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450365769] [2024-10-16 22:40:37,219 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 22:40:37,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:37,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:37,221 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:37,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-16 22:40:37,342 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-16 22:40:37,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:40:37,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-16 22:40:37,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:37,746 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 47 proven. 39 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-16 22:40:37,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 50 proven. 36 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-16 22:40:38,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450365769] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:38,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:38,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20, 20] total 54 [2024-10-16 22:40:38,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822702042] [2024-10-16 22:40:38,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:38,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-10-16 22:40:38,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:38,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-10-16 22:40:38,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=466, Invalid=2504, Unknown=0, NotChecked=0, Total=2970 [2024-10-16 22:40:38,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:38,218 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:38,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.9454545454545455) internal successors, (107), 54 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:38,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:38,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:38,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:38,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:38,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:38,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:38,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:38,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:38,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:38,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:38,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:38,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:38,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:38,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:38,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:38,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-16 22:40:38,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:38,952 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:38,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:38,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1062993565, now seen corresponding path program 9 times [2024-10-16 22:40:38,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:38,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669482681] [2024-10-16 22:40:38,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:38,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 35 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:39,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:39,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669482681] [2024-10-16 22:40:39,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669482681] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:39,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584769920] [2024-10-16 22:40:39,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-16 22:40:39,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:39,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:39,415 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:39,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-16 22:40:39,891 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-10-16 22:40:39,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:40:39,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-16 22:40:39,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:40,233 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 43 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:40,233 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:40,501 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 52 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:40,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584769920] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:40,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:40,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 46 [2024-10-16 22:40:40,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229712798] [2024-10-16 22:40:40,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:40,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-10-16 22:40:40,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:40,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-10-16 22:40:40,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=525, Invalid=1637, Unknown=0, NotChecked=0, Total=2162 [2024-10-16 22:40:40,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:40,504 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:40,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 2.276595744680851) internal successors, (107), 46 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:40,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:40,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:40,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:40,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:40,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:40,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:40,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:40,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:40,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:40,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:40,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:40,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:40,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:40:40,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-16 22:40:40,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-16 22:40:40,920 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:40,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:40,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1327777063, now seen corresponding path program 10 times [2024-10-16 22:40:40,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:40,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133655655] [2024-10-16 22:40:40,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:40,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:41,603 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 74 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:41,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:41,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133655655] [2024-10-16 22:40:41,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133655655] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:41,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199355756] [2024-10-16 22:40:41,604 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-16 22:40:41,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:41,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:41,605 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:41,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-16 22:40:41,771 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-16 22:40:41,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:40:41,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-16 22:40:41,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:42,246 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 74 proven. 53 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-16 22:40:42,247 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 82 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-16 22:40:42,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199355756] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:42,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:42,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 22, 22] total 68 [2024-10-16 22:40:42,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620768418] [2024-10-16 22:40:42,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:42,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-10-16 22:40:42,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:42,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-10-16 22:40:42,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=891, Invalid=3801, Unknown=0, NotChecked=0, Total=4692 [2024-10-16 22:40:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:42,792 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:42,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 1.6521739130434783) internal successors, (114), 68 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:42,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:40:42,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:42,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:42,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:40:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:40:42,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-16 22:40:43,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-16 22:40:43,139 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:43,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:43,139 INFO L85 PathProgramCache]: Analyzing trace with hash -212089090, now seen corresponding path program 11 times [2024-10-16 22:40:43,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:43,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259869131] [2024-10-16 22:40:43,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:43,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 44 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:43,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:43,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259869131] [2024-10-16 22:40:43,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259869131] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:43,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087536039] [2024-10-16 22:40:43,788 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-16 22:40:43,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:43,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:43,790 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:43,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-16 22:40:44,382 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-10-16 22:40:44,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:40:44,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-16 22:40:44,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:44,893 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 53 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:44,893 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 63 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:45,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087536039] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:45,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:45,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 51 [2024-10-16 22:40:45,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99444383] [2024-10-16 22:40:45,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:45,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-10-16 22:40:45,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:45,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-10-16 22:40:45,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=638, Invalid=2014, Unknown=0, NotChecked=0, Total=2652 [2024-10-16 22:40:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:45,221 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:45,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.230769230769231) internal successors, (116), 51 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:40:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:40:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:45,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:45,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:45,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:45,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:45,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:45,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:45,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:45,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:45,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:45,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:45,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:45,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:40:45,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:40:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:40:45,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-16 22:40:45,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-16 22:40:45,685 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:45,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:45,685 INFO L85 PathProgramCache]: Analyzing trace with hash 31167782, now seen corresponding path program 12 times [2024-10-16 22:40:45,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:45,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344984651] [2024-10-16 22:40:45,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:45,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 96 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:46,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:46,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344984651] [2024-10-16 22:40:46,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344984651] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:46,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677042951] [2024-10-16 22:40:46,710 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-16 22:40:46,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:46,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:46,711 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:46,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-16 22:40:47,598 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-10-16 22:40:47,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:40:47,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-16 22:40:47,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:48,405 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 110 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:48,405 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:49,261 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 126 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:49,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677042951] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:49,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:49,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 90 [2024-10-16 22:40:49,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410034385] [2024-10-16 22:40:49,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:49,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-10-16 22:40:49,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:49,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-10-16 22:40:49,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1898, Invalid=6292, Unknown=0, NotChecked=0, Total=8190 [2024-10-16 22:40:49,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:49,267 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:49,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 1.5934065934065933) internal successors, (145), 90 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:49,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:49,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:49,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:49,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:49,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:40:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:40:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:40:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:49,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:40:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:40:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:40:49,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:49,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-16 22:40:49,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:49,598 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:49,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:49,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1539797158, now seen corresponding path program 13 times [2024-10-16 22:40:49,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:49,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140662401] [2024-10-16 22:40:49,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:49,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:50,876 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 145 proven. 82 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-10-16 22:40:50,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:50,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140662401] [2024-10-16 22:40:50,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140662401] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:50,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966561241] [2024-10-16 22:40:50,877 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-16 22:40:50,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:50,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:50,878 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:50,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-16 22:40:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:51,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-16 22:40:51,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:51,884 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 162 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:51,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:52,555 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 180 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:40:52,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966561241] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:52,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:52,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 86 [2024-10-16 22:40:52,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492921591] [2024-10-16 22:40:52,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:52,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-10-16 22:40:52,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:52,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-10-16 22:40:52,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1819, Invalid=5663, Unknown=0, NotChecked=0, Total=7482 [2024-10-16 22:40:52,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:52,559 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:52,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 1.8045977011494252) internal successors, (157), 86 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:52,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:40:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:54,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:40:54,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-16 22:40:54,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-16 22:40:54,846 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:54,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:54,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1330729838, now seen corresponding path program 14 times [2024-10-16 22:40:54,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:54,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177447738] [2024-10-16 22:40:54,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:54,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:40:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 369 proven. 188 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 22:40:56,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:40:56,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177447738] [2024-10-16 22:40:56,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177447738] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:40:56,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696625838] [2024-10-16 22:40:56,129 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 22:40:56,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:40:56,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:40:56,131 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:40:56,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-16 22:40:56,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-16 22:40:56,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:40:56,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-10-16 22:40:56,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:40:57,400 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 289 proven. 179 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-16 22:40:57,400 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:40:58,716 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 297 proven. 171 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-16 22:40:58,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696625838] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:40:58,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:40:58,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 40, 40] total 115 [2024-10-16 22:40:58,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722522368] [2024-10-16 22:40:58,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:40:58,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2024-10-16 22:40:58,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:40:58,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2024-10-16 22:40:58,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2380, Invalid=10960, Unknown=0, NotChecked=0, Total=13340 [2024-10-16 22:40:58,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:58,722 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:40:58,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 1.646551724137931) internal successors, (191), 115 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:40:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:40:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:40:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:40:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:40:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:40:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:40:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:40:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:40:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:40:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:40:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:40:58,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:58,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:40:58,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:40:58,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-16 22:40:59,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-16 22:40:59,116 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:40:59,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:40:59,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1796254025, now seen corresponding path program 15 times [2024-10-16 22:40:59,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:40:59,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621416777] [2024-10-16 22:40:59,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:40:59,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:40:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:41:00,902 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 200 proven. 377 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:41:00,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:41:00,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621416777] [2024-10-16 22:41:00,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621416777] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:41:00,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795484099] [2024-10-16 22:41:00,903 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-16 22:41:00,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:41:00,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:41:00,904 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:41:00,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-16 22:41:04,565 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-10-16 22:41:04,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:41:04,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-10-16 22:41:04,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:41:05,822 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 344 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:41:05,822 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:41:07,363 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 387 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:41:07,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795484099] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:41:07,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:41:07,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 42, 42] total 129 [2024-10-16 22:41:07,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872865035] [2024-10-16 22:41:07,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:41:07,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2024-10-16 22:41:07,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:41:07,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2024-10-16 22:41:07,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2437, Invalid=14333, Unknown=0, NotChecked=0, Total=16770 [2024-10-16 22:41:07,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:41:07,371 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:41:07,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 1.7384615384615385) internal successors, (226), 129 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:41:07,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:41:07,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:41:07,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:41:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:41:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:41:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:41:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:41:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:41:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:41:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:41:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:41:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:41:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:41:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:41:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:41:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:41:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:41:07,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:41:07,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:41:07,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:41:07,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:41:07,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-16 22:41:07,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-16 22:41:07,791 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:41:07,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:41:07,791 INFO L85 PathProgramCache]: Analyzing trace with hash 51494030, now seen corresponding path program 16 times [2024-10-16 22:41:07,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:41:07,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27480135] [2024-10-16 22:41:07,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:41:07,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:41:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:41:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 189 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:41:09,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:41:09,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27480135] [2024-10-16 22:41:09,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27480135] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:41:09,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905354181] [2024-10-16 22:41:09,610 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-16 22:41:09,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:41:09,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:41:09,613 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:41:09,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-16 22:41:09,941 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-16 22:41:09,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:41:09,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-16 22:41:09,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:41:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 286 proven. 255 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-16 22:41:11,429 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:41:13,394 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 331 proven. 210 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-16 22:41:13,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905354181] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:41:13,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:41:13,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 44, 44] total 126 [2024-10-16 22:41:13,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001119845] [2024-10-16 22:41:13,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:41:13,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2024-10-16 22:41:13,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:41:13,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2024-10-16 22:41:13,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2275, Invalid=13727, Unknown=0, NotChecked=0, Total=16002 [2024-10-16 22:41:13,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:41:13,397 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:41:13,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 1.6456692913385826) internal successors, (209), 126 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:41:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:41:15,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:41:15,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:41:15,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:41:15,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:41:15,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:41:15,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:41:15,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:41:15,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:41:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:41:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:41:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:41:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:41:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:41:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:41:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:41:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:41:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:41:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:41:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:41:15,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-16 22:41:15,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:41:15,329 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:41:15,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:41:15,329 INFO L85 PathProgramCache]: Analyzing trace with hash 559468237, now seen corresponding path program 17 times [2024-10-16 22:41:15,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:41:15,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704940199] [2024-10-16 22:41:15,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:41:15,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:41:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:41:20,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 543 proven. 615 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:41:20,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:41:20,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704940199] [2024-10-16 22:41:20,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704940199] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:41:20,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680126503] [2024-10-16 22:41:20,974 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-16 22:41:20,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:41:20,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:41:20,975 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:41:20,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-16 22:46:33,482 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-10-16 22:46:33,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:46:33,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-10-16 22:46:33,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:46:35,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 902 proven. 231 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-16 22:46:35,663 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:46:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 902 proven. 231 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-16 22:46:38,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680126503] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:46:38,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:46:38,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 47, 47] total 189 [2024-10-16 22:46:38,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291028856] [2024-10-16 22:46:38,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:46:38,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-10-16 22:46:38,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:46:38,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-10-16 22:46:38,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4873, Invalid=31037, Unknown=0, NotChecked=0, Total=35910 [2024-10-16 22:46:38,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:46:38,260 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:46:38,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 190 states have (on average 1.605263157894737) internal successors, (305), 189 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:46:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:46:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:46:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:46:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:46:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:46:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:46:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:46:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:46:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:46:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:46:38,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:46:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:46:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:46:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:46:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:46:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:46:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:46:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:46:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:46:38,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:46:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:46:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-16 22:46:38,686 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forcibly destroying the process [2024-10-16 22:46:38,887 FATAL L548 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Could not destroy process within 200 ms, abandoning it [2024-10-16 22:46:38,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-10-16 22:46:38,888 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:46:38,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:46:38,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1817501898, now seen corresponding path program 18 times [2024-10-16 22:46:38,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:46:38,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624651638] [2024-10-16 22:46:38,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:46:38,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:46:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:46:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 543 proven. 684 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:46:44,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:46:44,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624651638] [2024-10-16 22:46:44,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624651638] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:46:44,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183675172] [2024-10-16 22:46:44,396 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-16 22:46:44,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:46:44,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:46:44,397 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:46:44,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-16 22:46:59,858 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-10-16 22:46:59,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:46:59,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-10-16 22:46:59,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:47:03,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 27 proven. 900 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-10-16 22:47:03,652 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:47:07,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 261 proven. 666 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-10-16 22:47:07,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183675172] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:47:07,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:47:07,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [101, 72, 60] total 230 [2024-10-16 22:47:07,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559723059] [2024-10-16 22:47:07,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:47:07,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 230 states [2024-10-16 22:47:07,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:47:07,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2024-10-16 22:47:07,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4623, Invalid=48047, Unknown=0, NotChecked=0, Total=52670 [2024-10-16 22:47:07,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:47:07,550 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:47:07,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 230 states, 230 states have (on average 1.2304347826086957) internal successors, (283), 230 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:47:07,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:47:07,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:47:07,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:47:07,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:47:07,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:47:07,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:47:07,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:47:07,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:47:07,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:47:07,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:47:07,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:47:07,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:47:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:47:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:47:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:47:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:47:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:47:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:47:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:47:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-16 22:47:07,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-16 22:47:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-10-16 22:47:29,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-16 22:47:29,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:47:29,910 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:47:29,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:47:29,910 INFO L85 PathProgramCache]: Analyzing trace with hash 2090291457, now seen corresponding path program 19 times [2024-10-16 22:47:29,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:47:29,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159624069] [2024-10-16 22:47:29,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:47:29,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:47:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:47:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2623 backedges. 1362 proven. 1261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:47:40,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:47:40,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159624069] [2024-10-16 22:47:40,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159624069] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:47:40,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782088635] [2024-10-16 22:47:40,289 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-16 22:47:40,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:47:40,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:47:40,291 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:47:40,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-16 22:47:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:47:40,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-10-16 22:47:40,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:47:44,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2623 backedges. 1208 proven. 349 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-10-16 22:47:44,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:47:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2623 backedges. 1232 proven. 325 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-10-16 22:47:47,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782088635] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:47:47,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:47:47,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [144, 54, 54] total 248 [2024-10-16 22:47:47,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454020318] [2024-10-16 22:47:47,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:47:47,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 249 states [2024-10-16 22:47:47,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:47:47,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 249 interpolants. [2024-10-16 22:47:47,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8008, Invalid=53744, Unknown=0, NotChecked=0, Total=61752 [2024-10-16 22:47:47,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:47:47,957 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:47:47,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 249 states, 249 states have (on average 1.2248995983935742) internal successors, (305), 248 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:47:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:47:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:47:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:47:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:47:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:47:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:47:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:47:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:47:47,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:47:47,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:47:47,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:47:47,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:47:47,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:47:47,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:47:47,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:47:47,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:47:47,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:47:47,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:47:47,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:47:47,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-16 22:47:47,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-10-16 22:47:47,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:47:48,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-16 22:47:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-10-16 22:47:48,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-16 22:47:48,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-16 22:47:48,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-16 22:47:48,365 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:47:48,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:47:48,365 INFO L85 PathProgramCache]: Analyzing trace with hash -74258742, now seen corresponding path program 20 times [2024-10-16 22:47:48,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:47:48,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576145329] [2024-10-16 22:47:48,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:47:48,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:47:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:47:59,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 1362 proven. 1287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:47:59,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:47:59,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576145329] [2024-10-16 22:47:59,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576145329] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:47:59,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830019946] [2024-10-16 22:47:59,698 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 22:47:59,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:47:59,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:47:59,699 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:47:59,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-16 22:48:00,175 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-16 22:48:00,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:48:00,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-10-16 22:48:00,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:48:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 1236 proven. 363 refuted. 0 times theorem prover too weak. 1050 trivial. 0 not checked. [2024-10-16 22:48:03,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:48:07,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 1248 proven. 351 refuted. 0 times theorem prover too weak. 1050 trivial. 0 not checked. [2024-10-16 22:48:07,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830019946] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:48:07,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:48:07,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [145, 56, 56] total 253 [2024-10-16 22:48:07,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053298865] [2024-10-16 22:48:07,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:48:07,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 254 states [2024-10-16 22:48:07,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:48:07,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 254 interpolants. [2024-10-16 22:48:07,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8339, Invalid=55923, Unknown=0, NotChecked=0, Total=64262 [2024-10-16 22:48:07,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:48:07,757 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:48:07,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 254 states, 254 states have (on average 1.220472440944882) internal successors, (310), 253 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:48:07,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:48:07,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:48:07,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:48:07,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:48:07,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:48:07,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:48:07,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:48:07,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:48:07,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:48:07,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:48:07,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:48:07,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:48:07,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:48:07,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:48:07,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:48:07,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:48:07,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:48:07,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:48:07,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:48:07,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-16 22:48:07,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-10-16 22:48:07,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-16 22:48:07,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-10-16 22:48:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-16 22:48:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-16 22:48:08,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-16 22:48:08,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-16 22:48:08,255 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:48:08,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:48:08,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1544161825, now seen corresponding path program 21 times [2024-10-16 22:48:08,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:48:08,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882364029] [2024-10-16 22:48:08,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:48:08,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:48:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:48:19,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2676 backedges. 1362 proven. 1314 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:48:19,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:48:19,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882364029] [2024-10-16 22:48:19,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882364029] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:48:19,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756458936] [2024-10-16 22:48:19,052 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-16 22:48:19,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:48:19,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:48:19,053 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:48:19,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-16 22:51:50,975 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 31 check-sat command(s) [2024-10-16 22:51:50,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:51:51,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-10-16 22:51:51,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:51:54,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2676 backedges. 2058 proven. 378 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-10-16 22:51:54,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:51:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2676 backedges. 2058 proven. 378 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-10-16 22:51:58,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756458936] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:51:58,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:51:58,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [146, 58, 58] total 260 [2024-10-16 22:51:58,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440340360] [2024-10-16 22:51:58,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:51:58,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 261 states [2024-10-16 22:51:58,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:51:58,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 261 interpolants. [2024-10-16 22:51:58,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8797, Invalid=59063, Unknown=0, NotChecked=0, Total=67860 [2024-10-16 22:51:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:51:58,104 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:51:58,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 261 states, 261 states have (on average 1.5593869731800767) internal successors, (407), 260 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-16 22:51:58,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:51:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:51:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:51:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:51:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:51:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:51:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-16 22:51:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:51:58,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-16 22:51:58,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:51:58,543 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:51:58,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:51:58,543 INFO L85 PathProgramCache]: Analyzing trace with hash 699595585, now seen corresponding path program 22 times [2024-10-16 22:51:58,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:51:58,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955196787] [2024-10-16 22:51:58,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:51:58,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:51:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:52:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2733 backedges. 2004 proven. 489 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-10-16 22:52:01,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:52:01,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955196787] [2024-10-16 22:52:01,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955196787] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:52:01,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869513764] [2024-10-16 22:52:01,438 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-16 22:52:01,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:52:01,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:52:01,439 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:52:01,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-16 22:52:01,944 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-16 22:52:01,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:52:01,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-10-16 22:52:01,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:52:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2733 backedges. 1353 proven. 463 refuted. 0 times theorem prover too weak. 917 trivial. 0 not checked. [2024-10-16 22:52:03,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:52:06,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2733 backedges. 1381 proven. 435 refuted. 0 times theorem prover too weak. 917 trivial. 0 not checked. [2024-10-16 22:52:06,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869513764] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:52:06,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:52:06,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 182 [2024-10-16 22:52:06,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392103631] [2024-10-16 22:52:06,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:52:06,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 183 states [2024-10-16 22:52:06,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:52:06,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2024-10-16 22:52:06,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5919, Invalid=27387, Unknown=0, NotChecked=0, Total=33306 [2024-10-16 22:52:06,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:52:06,202 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:52:06,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 183 states, 183 states have (on average 1.6120218579234973) internal successors, (295), 182 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:52:06,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:52:06,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:52:06,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-16 22:52:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:52:06,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:52:06,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-10-16 22:52:06,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-16 22:52:06,563 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:52:06,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:52:06,564 INFO L85 PathProgramCache]: Analyzing trace with hash -236157814, now seen corresponding path program 23 times [2024-10-16 22:52:06,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:52:06,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284509157] [2024-10-16 22:52:06,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:52:06,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:52:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:52:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 1362 proven. 1401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:52:16,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:52:16,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284509157] [2024-10-16 22:52:16,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284509157] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:52:16,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024338856] [2024-10-16 22:52:16,470 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-16 22:52:16,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:52:16,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:52:16,471 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:52:16,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-16 22:53:16,416 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2024-10-16 22:53:16,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:53:16,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-10-16 22:53:16,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:53:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 43 proven. 2255 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-10-16 22:53:22,470 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:53:26,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 967 proven. 1121 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2024-10-16 22:53:26,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024338856] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:53:26,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:53:26,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [149, 92, 54] total 291 [2024-10-16 22:53:26,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112014927] [2024-10-16 22:53:26,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:53:26,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 291 states [2024-10-16 22:53:26,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:53:26,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 291 interpolants. [2024-10-16 22:53:26,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7161, Invalid=77229, Unknown=0, NotChecked=0, Total=84390 [2024-10-16 22:53:26,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:53:26,911 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:53:26,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 291 states, 291 states have (on average 1.302405498281787) internal successors, (379), 291 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-16 22:53:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:53:26,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:53:26,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:53:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 22:53:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 22:53:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:53:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:53:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 22:53:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-16 22:53:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:53:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:53:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 22:53:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 302 states. [2024-10-16 22:53:38,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-16 22:53:38,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-16 22:53:38,510 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 22:53:38,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:53:38,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1798423177, now seen corresponding path program 24 times [2024-10-16 22:53:38,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:53:38,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224598567] [2024-10-16 22:53:38,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:53:38,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:53:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:53:56,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4982 backedges. 2968 proven. 2014 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:53:56,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:53:56,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224598567] [2024-10-16 22:53:56,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224598567] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:53:56,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569156404] [2024-10-16 22:53:56,527 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-16 22:53:56,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:53:56,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:53:56,528 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 22:53:56,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process Killed by 15