./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -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-array-sum.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 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -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 [2024-10-18 13:42:52,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 13:42:52,320 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 13:42:52,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 13:42:52,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 13:42:52,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 13:42:52,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 13:42:52,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 13:42:52,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 13:42:52,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 13:42:52,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 13:42:52,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 13:42:52,352 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 13:42:52,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 13:42:52,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 13:42:52,353 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 13:42:52,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 13:42:52,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 13:42:52,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 13:42:52,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 13:42:52,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 13:42:52,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 13:42:52,357 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 13:42:52,357 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 13:42:52,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 13:42:52,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 13:42:52,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 13:42:52,358 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 13:42:52,358 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 13:42:52,358 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 13:42:52,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 13:42:52,359 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 13:42:52,359 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 13:42:52,359 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 13:42:52,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 13:42:52,359 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 13:42:52,359 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 13:42:52,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 13:42:52,360 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 13:42:52,360 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 13:42:52,360 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 13:42:52,360 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-10-18 13:42:52,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 13:42:52,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 13:42:52,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 13:42:52,582 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 13:42:52,583 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 13:42:52,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2024-10-18 13:42:53,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 13:42:53,913 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 13:42:53,913 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2024-10-18 13:42:53,919 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5472963c2/ba4b65c84fd841aaa5658369b8d10838/FLAGeb37b4ed1 [2024-10-18 13:42:53,930 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5472963c2/ba4b65c84fd841aaa5658369b8d10838 [2024-10-18 13:42:53,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 13:42:53,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 13:42:53,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 13:42:53,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 13:42:53,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 13:42:53,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 01:42:53" (1/1) ... [2024-10-18 13:42:53,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3878a27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:42:53, skipping insertion in model container [2024-10-18 13:42:53,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 01:42:53" (1/1) ... [2024-10-18 13:42:53,996 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 13:42:54,171 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-array-sum.wvr.c[2874,2887] [2024-10-18 13:42:54,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 13:42:54,188 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 13:42:54,202 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-array-sum.wvr.c[2874,2887] [2024-10-18 13:42:54,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 13:42:54,216 INFO L204 MainTranslator]: Completed translation [2024-10-18 13:42:54,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:42:54 WrapperNode [2024-10-18 13:42:54,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 13:42:54,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 13:42:54,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 13:42:54,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 13:42:54,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:42:54" (1/1) ... [2024-10-18 13:42:54,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:42:54" (1/1) ... [2024-10-18 13:42:54,250 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 276 [2024-10-18 13:42:54,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 13:42:54,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 13:42:54,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 13:42:54,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 13:42:54,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:42:54" (1/1) ... [2024-10-18 13:42:54,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:42:54" (1/1) ... [2024-10-18 13:42:54,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:42:54" (1/1) ... [2024-10-18 13:42:54,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:42:54" (1/1) ... [2024-10-18 13:42:54,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:42:54" (1/1) ... [2024-10-18 13:42:54,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:42:54" (1/1) ... [2024-10-18 13:42:54,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:42:54" (1/1) ... [2024-10-18 13:42:54,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:42:54" (1/1) ... [2024-10-18 13:42:54,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 13:42:54,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 13:42:54,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 13:42:54,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 13:42:54,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:42:54" (1/1) ... [2024-10-18 13:42:54,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 13:42:54,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:42:54,318 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) [2024-10-18 13:42:54,320 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 [2024-10-18 13:42:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 13:42:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 13:42:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 13:42:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 13:42:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 13:42:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 13:42:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 13:42:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 13:42:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 13:42:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 13:42:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 13:42:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-18 13:42:54,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 13:42:54,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 13:42:54,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 13:42:54,360 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 13:42:54,465 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 13:42:54,467 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 13:42:54,752 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 13:42:54,753 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 13:42:55,032 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 13:42:55,033 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-18 13:42:55,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 01:42:55 BoogieIcfgContainer [2024-10-18 13:42:55,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 13:42:55,035 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 13:42:55,035 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 13:42:55,038 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 13:42:55,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 01:42:53" (1/3) ... [2024-10-18 13:42:55,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59851243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 01:42:55, skipping insertion in model container [2024-10-18 13:42:55,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:42:54" (2/3) ... [2024-10-18 13:42:55,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59851243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 01:42:55, skipping insertion in model container [2024-10-18 13:42:55,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 01:42:55" (3/3) ... [2024-10-18 13:42:55,040 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2024-10-18 13:42:55,052 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 13:42:55,053 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 13:42:55,053 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 13:42:55,092 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-18 13:42:55,123 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 13:42:55,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 13:42:55,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:42:55,125 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) [2024-10-18 13:42:55,126 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 [2024-10-18 13:42:55,192 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 13:42:55,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:42:55,206 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 13:42:55,211 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;@3fa3e985, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 13:42:55,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 13:42:55,870 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)] === [2024-10-18 13:42:55,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:42:55,871 INFO L85 PathProgramCache]: Analyzing trace with hash -854224487, now seen corresponding path program 1 times [2024-10-18 13:42:55,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:42:55,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388843135] [2024-10-18 13:42:55,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:55,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:56,338 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-18 13:42:56,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:42:56,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388843135] [2024-10-18 13:42:56,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388843135] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 13:42:56,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 13:42:56,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 13:42:56,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282502864] [2024-10-18 13:42:56,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 13:42:56,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 13:42:56,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:42:56,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 13:42:56,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 13:42:56,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:42:56,462 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:42:56,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-10-18 13:42:56,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:42:56,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:42:56,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 13:42:56,550 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)] === [2024-10-18 13:42:56,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:42:56,551 INFO L85 PathProgramCache]: Analyzing trace with hash 362043123, now seen corresponding path program 1 times [2024-10-18 13:42:56,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:42:56,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946719998] [2024-10-18 13:42:56,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:56,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:56,829 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-18 13:42:56,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:42:56,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946719998] [2024-10-18 13:42:56,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946719998] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:42:56,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459625945] [2024-10-18 13:42:56,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:56,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:42:56,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:42:56,857 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) [2024-10-18 13:42:56,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 13:42:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:56,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 13:42:56,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:42:57,053 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-18 13:42:57,053 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:42:57,123 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-18 13:42:57,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459625945] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:42:57,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:42:57,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-18 13:42:57,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140318594] [2024-10-18 13:42:57,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:42:57,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-18 13:42:57,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:42:57,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-18 13:42:57,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-18 13:42:57,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:42:57,223 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:42:57,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 13 states have internal predecessors, (70), 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) [2024-10-18 13:42:57,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:42:57,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:42:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:42:57,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:42:57,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 13:42:57,560 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 [2024-10-18 13:42:57,561 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)] === [2024-10-18 13:42:57,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:42:57,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1815279129, now seen corresponding path program 2 times [2024-10-18 13:42:57,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:42:57,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608231604] [2024-10-18 13:42:57,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:57,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:57,809 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 13:42:57,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:42:57,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608231604] [2024-10-18 13:42:57,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608231604] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:42:57,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540109918] [2024-10-18 13:42:57,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 13:42:57,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:42:57,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:42:57,812 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) [2024-10-18 13:42:57,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 13:42:57,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 13:42:57,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:42:57,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 13:42:57,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:42:58,089 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 13:42:58,089 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:42:58,228 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 13:42:58,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540109918] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:42:58,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:42:58,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 22 [2024-10-18 13:42:58,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616382242] [2024-10-18 13:42:58,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:42:58,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-18 13:42:58,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:42:58,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-18 13:42:58,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2024-10-18 13:42:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:42:58,311 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:42:58,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 22 states have internal predecessors, (110), 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) [2024-10-18 13:42:58,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:42:58,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:42:58,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:42:58,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:42:58,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:42:58,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:42:58,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-18 13:42:58,701 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 [2024-10-18 13:42:58,703 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)] === [2024-10-18 13:42:58,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:42:58,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1167874829, now seen corresponding path program 3 times [2024-10-18 13:42:58,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:42:58,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693905051] [2024-10-18 13:42:58,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:42:58,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:42:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:42:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 13:42:58,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:42:58,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693905051] [2024-10-18 13:42:58,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693905051] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:42:58,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395061095] [2024-10-18 13:42:58,909 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 13:42:58,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:42:58,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:42:58,911 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) [2024-10-18 13:42:58,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 13:42:59,005 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-18 13:42:59,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:42:59,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 13:42:59,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:42:59,151 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 13:42:59,153 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:42:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 13:42:59,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395061095] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:42:59,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:42:59,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2024-10-18 13:42:59,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056143035] [2024-10-18 13:42:59,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:42:59,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-18 13:42:59,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:42:59,401 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:42:59,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 36 [2024-10-18 13:43:01,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1243363902, now seen corresponding path program 1 times [2024-10-18 13:43:01,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:01,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 13:43:01,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 13:43:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 13:43:01,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-18 13:43:01,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-10-18 13:43:01,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:01,854 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:43:01,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.9) internal successors, (98), 19 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 13:43:01,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:01,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:01,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:01,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:02,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:02,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:02,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:02,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:02,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-18 13:43:02,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:43:02,261 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)] === [2024-10-18 13:43:02,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:43:02,261 INFO L85 PathProgramCache]: Analyzing trace with hash 128944988, now seen corresponding path program 4 times [2024-10-18 13:43:02,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:43:02,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160491954] [2024-10-18 13:43:02,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:02,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-18 13:43:02,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:43:02,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160491954] [2024-10-18 13:43:02,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160491954] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:43:02,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620931354] [2024-10-18 13:43:02,554 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 13:43:02,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:43:02,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:43:02,557 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) [2024-10-18 13:43:02,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 13:43:02,634 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 13:43:02,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:43:02,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-18 13:43:02,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:43:02,965 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-18 13:43:02,966 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:43:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 48 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-18 13:43:03,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620931354] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:43:03,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:43:03,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14, 12] total 35 [2024-10-18 13:43:03,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401561440] [2024-10-18 13:43:03,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:43:03,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-18 13:43:03,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:43:03,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-18 13:43:03,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1012, Unknown=0, NotChecked=0, Total=1190 [2024-10-18 13:43:03,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:03,258 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:43:03,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.571428571428571) internal successors, (160), 35 states have internal predecessors, (160), 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) [2024-10-18 13:43:03,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:03,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:03,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:03,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:03,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:04,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:04,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:04,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:43:04,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-18 13:43:04,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-18 13:43:04,656 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)] === [2024-10-18 13:43:04,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:43:04,657 INFO L85 PathProgramCache]: Analyzing trace with hash -270734740, now seen corresponding path program 5 times [2024-10-18 13:43:04,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:43:04,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367294680] [2024-10-18 13:43:04,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:04,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 159 proven. 153 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 13:43:05,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:43:05,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367294680] [2024-10-18 13:43:05,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367294680] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:43:05,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304368193] [2024-10-18 13:43:05,780 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 13:43:05,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:43:05,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:43:05,781 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) [2024-10-18 13:43:05,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 13:43:05,941 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-10-18 13:43:05,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:43:05,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-18 13:43:05,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:43:06,399 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 290 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 13:43:06,399 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:43:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 290 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 13:43:06,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304368193] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:43:06,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:43:06,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 14, 14] total 56 [2024-10-18 13:43:06,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594893098] [2024-10-18 13:43:06,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:43:06,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-10-18 13:43:06,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:43:06,900 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:43:06,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 36 [2024-10-18 13:43:09,050 INFO L85 PathProgramCache]: Analyzing trace with hash 274975887, now seen corresponding path program 1 times [2024-10-18 13:43:09,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:09,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:09,498 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 132 proven. 69 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 13:43:09,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:09,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:09,924 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 132 proven. 69 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 13:43:09,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-10-18 13:43:09,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=2932, Unknown=0, NotChecked=0, Total=3422 [2024-10-18 13:43:09,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:09,966 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:43:09,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 5.12280701754386) internal successors, (292), 56 states have internal predecessors, (292), 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) [2024-10-18 13:43:09,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:09,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:09,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:09,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:09,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:43:09,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:43:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:43:10,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-18 13:43:10,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:43:10,476 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)] === [2024-10-18 13:43:10,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:43:10,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1938539066, now seen corresponding path program 6 times [2024-10-18 13:43:10,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:43:10,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946334726] [2024-10-18 13:43:10,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:10,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:11,022 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 237 proven. 81 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-18 13:43:11,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:43:11,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946334726] [2024-10-18 13:43:11,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946334726] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:43:11,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214022821] [2024-10-18 13:43:11,023 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 13:43:11,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:43:11,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:43:11,025 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) [2024-10-18 13:43:11,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 13:43:11,378 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-10-18 13:43:11,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:43:11,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-18 13:43:11,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:43:12,010 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 298 proven. 28 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-18 13:43:12,010 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:43:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 298 proven. 28 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-18 13:43:12,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214022821] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:43:12,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:43:12,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 55 [2024-10-18 13:43:12,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220220006] [2024-10-18 13:43:12,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:43:12,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-10-18 13:43:12,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:43:12,602 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:43:12,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 36 [2024-10-18 13:43:14,808 INFO L85 PathProgramCache]: Analyzing trace with hash 583993326, now seen corresponding path program 1 times [2024-10-18 13:43:14,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:14,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:15,481 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 128 proven. 86 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-18 13:43:15,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:15,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:15,810 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 128 proven. 86 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-18 13:43:15,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-10-18 13:43:15,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=544, Invalid=3746, Unknown=0, NotChecked=0, Total=4290 [2024-10-18 13:43:15,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:15,845 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:43:15,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 5.5) internal successors, (308), 55 states have internal predecessors, (308), 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) [2024-10-18 13:43:15,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:15,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:15,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:15,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:15,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:43:15,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:43:15,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:43:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:43:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:43:16,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 13:43:16,340 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,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-10-18 13:43:16,340 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)] === [2024-10-18 13:43:16,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:43:16,341 INFO L85 PathProgramCache]: Analyzing trace with hash 977345478, now seen corresponding path program 7 times [2024-10-18 13:43:16,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:43:16,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596045305] [2024-10-18 13:43:16,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:16,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:16,714 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 33 proven. 181 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-10-18 13:43:16,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:43:16,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596045305] [2024-10-18 13:43:16,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596045305] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:43:16,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95808476] [2024-10-18 13:43:16,714 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 13:43:16,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:43:16,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:43:16,717 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) [2024-10-18 13:43:16,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 13:43:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:16,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-18 13:43:16,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:43:17,339 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 253 proven. 61 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-18 13:43:17,339 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:43:17,867 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 269 proven. 45 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-18 13:43:17,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95808476] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:43:17,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:43:17,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 23, 23] total 54 [2024-10-18 13:43:17,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766792594] [2024-10-18 13:43:17,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:43:17,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-10-18 13:43:17,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:43:17,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-10-18 13:43:17,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=555, Invalid=2307, Unknown=0, NotChecked=0, Total=2862 [2024-10-18 13:43:17,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:17,959 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:43:17,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 4.166666666666667) internal successors, (225), 54 states have internal predecessors, (225), 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) [2024-10-18 13:43:17,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:17,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:17,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:17,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:17,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:43:17,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:43:17,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:43:17,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:43:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:43:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:43:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:43:18,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-18 13:43:18,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:43:18,544 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)] === [2024-10-18 13:43:18,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:43:18,545 INFO L85 PathProgramCache]: Analyzing trace with hash 782105501, now seen corresponding path program 8 times [2024-10-18 13:43:18,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:43:18,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785940269] [2024-10-18 13:43:18,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:18,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 254 proven. 209 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-18 13:43:19,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:43:19,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785940269] [2024-10-18 13:43:19,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785940269] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:43:19,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369363046] [2024-10-18 13:43:19,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 13:43:19,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:43:19,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:43:19,357 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) [2024-10-18 13:43:19,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 13:43:19,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 13:43:19,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:43:19,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-18 13:43:19,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:43:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 325 proven. 84 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-10-18 13:43:20,215 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:43:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 354 proven. 55 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-10-18 13:43:21,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369363046] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:43:21,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:43:21,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 25, 25] total 75 [2024-10-18 13:43:21,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310315365] [2024-10-18 13:43:21,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:43:21,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-10-18 13:43:21,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:43:21,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-10-18 13:43:21,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1075, Invalid=4625, Unknown=0, NotChecked=0, Total=5700 [2024-10-18 13:43:21,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:21,239 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:43:21,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 3.8947368421052633) internal successors, (296), 75 states have internal predecessors, (296), 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) [2024-10-18 13:43:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:21,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:21,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:43:21,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:43:21,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:43:21,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:43:21,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:21,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:21,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:21,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:21,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:43:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:43:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:43:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:43:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:43:21,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-18 13:43:21,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-18 13:43:21,702 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)] === [2024-10-18 13:43:21,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:43:21,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1177634423, now seen corresponding path program 9 times [2024-10-18 13:43:21,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:43:21,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31889330] [2024-10-18 13:43:21,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:21,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:22,392 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 45 proven. 430 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-18 13:43:22,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:43:22,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31889330] [2024-10-18 13:43:22,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31889330] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:43:22,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087864073] [2024-10-18 13:43:22,393 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 13:43:22,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:43:22,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:43:22,394 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) [2024-10-18 13:43:22,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-18 13:43:23,384 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-18 13:43:23,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:43:23,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-18 13:43:23,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:43:23,912 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 55 proven. 420 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-18 13:43:23,913 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:43:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 66 proven. 409 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-18 13:43:24,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087864073] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:43:24,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:43:24,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 60 [2024-10-18 13:43:24,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029210705] [2024-10-18 13:43:24,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:43:24,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-10-18 13:43:24,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:43:24,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:43:24,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 36 [2024-10-18 13:43:24,536 INFO L85 PathProgramCache]: Analyzing trace with hash -721226755, now seen corresponding path program 1 times [2024-10-18 13:43:24,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:24,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 13:43:24,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 13:43:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 13:43:25,064 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:43:25,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 36 [2024-10-18 13:43:25,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1048041021, now seen corresponding path program 1 times [2024-10-18 13:43:25,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:25,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:26,461 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 210 proven. 133 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-18 13:43:26,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:26,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:26,937 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 210 proven. 133 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-18 13:43:26,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-10-18 13:43:26,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1022, Invalid=6460, Unknown=0, NotChecked=0, Total=7482 [2024-10-18 13:43:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:26,956 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:43:26,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 4.683333333333334) internal successors, (281), 60 states have internal predecessors, (281), 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) [2024-10-18 13:43:26,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:26,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:26,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:26,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:26,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:43:26,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:43:26,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:43:26,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:43:26,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:43:26,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:27,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:27,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:27,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:27,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:27,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:43:27,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:43:27,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:43:27,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:43:27,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:43:27,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:43:27,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-18 13:43:27,738 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,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-18 13:43:27,739 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)] === [2024-10-18 13:43:27,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:43:27,739 INFO L85 PathProgramCache]: Analyzing trace with hash -900916499, now seen corresponding path program 10 times [2024-10-18 13:43:27,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:43:27,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963376510] [2024-10-18 13:43:27,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:27,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 840 proven. 433 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-18 13:43:30,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:43:30,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963376510] [2024-10-18 13:43:30,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963376510] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:43:30,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105856786] [2024-10-18 13:43:30,186 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 13:43:30,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:43:30,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:43:30,188 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) [2024-10-18 13:43:30,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-18 13:43:30,336 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 13:43:30,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:43:30,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-10-18 13:43:30,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:43:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 0 proven. 1207 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-10-18 13:43:32,453 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:43:34,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 648 proven. 559 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-10-18 13:43:34,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105856786] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:43:34,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:43:34,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 48, 37] total 141 [2024-10-18 13:43:34,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523504402] [2024-10-18 13:43:34,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:43:34,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2024-10-18 13:43:34,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:43:34,517 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:43:34,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 36 [2024-10-18 13:43:34,662 INFO L85 PathProgramCache]: Analyzing trace with hash -2062245513, now seen corresponding path program 1 times [2024-10-18 13:43:34,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:34,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:36,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 860 proven. 188 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-10-18 13:43:36,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:36,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:36,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 860 proven. 188 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-10-18 13:43:36,715 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:43:36,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 36 [2024-10-18 13:43:38,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1752313015, now seen corresponding path program 1 times [2024-10-18 13:43:38,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:38,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:40,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 1067 proven. 212 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-18 13:43:40,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:40,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 1067 proven. 212 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-18 13:43:41,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2024-10-18 13:43:41,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2497, Invalid=21683, Unknown=0, NotChecked=0, Total=24180 [2024-10-18 13:43:41,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:41,381 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:43:41,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 4.085106382978723) internal successors, (576), 141 states have internal predecessors, (576), 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) [2024-10-18 13:43:41,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:41,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:41,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:41,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:41,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:43:41,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:43:41,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:43:41,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:43:41,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:43:41,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:43:41,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:43:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:43:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:43:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:43:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:43:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:43:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:43:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:43:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:43:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:43:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:43:49,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-10-18 13:43:49,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-18 13:43:49,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:43:49,635 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)] === [2024-10-18 13:43:49,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:43:49,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1861941915, now seen corresponding path program 11 times [2024-10-18 13:43:49,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:43:49,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956916193] [2024-10-18 13:43:49,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:43:49,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:43:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:43:53,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2439 backedges. 1585 proven. 776 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-18 13:43:53,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:43:53,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956916193] [2024-10-18 13:43:53,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956916193] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:43:53,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473036900] [2024-10-18 13:43:53,566 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 13:43:53,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:43:53,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:43:53,567 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) [2024-10-18 13:43:53,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-18 13:45:15,470 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-10-18 13:45:15,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:45:15,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 1409 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-18 13:45:15,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:45:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2439 backedges. 1941 proven. 78 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-18 13:45:16,747 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:45:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2439 backedges. 1941 proven. 78 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-18 13:45:18,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473036900] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:45:18,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:45:18,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 28, 28] total 128 [2024-10-18 13:45:18,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200224737] [2024-10-18 13:45:18,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:45:18,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2024-10-18 13:45:18,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:45:18,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2024-10-18 13:45:18,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2434, Invalid=14078, Unknown=0, NotChecked=0, Total=16512 [2024-10-18 13:45:18,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:45:18,400 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:45:18,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 4.751937984496124) internal successors, (613), 128 states have internal predecessors, (613), 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) [2024-10-18 13:45:18,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:45:18,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:45:18,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:45:18,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:45:18,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:45:18,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:45:18,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:18,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:45:18,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:18,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:45:18,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-10-18 13:45:18,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:45:18,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:45:18,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:45:18,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:45:18,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:45:18,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:45:18,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:45:18,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:18,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:45:18,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:18,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:45:18,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-10-18 13:45:18,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:45:18,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-18 13:45:18,899 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,SelfDestructingSolverStorable23 [2024-10-18 13:45:18,900 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)] === [2024-10-18 13:45:18,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:45:18,900 INFO L85 PathProgramCache]: Analyzing trace with hash -2075770945, now seen corresponding path program 12 times [2024-10-18 13:45:18,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:45:18,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374165987] [2024-10-18 13:45:18,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:45:18,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:45:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:45:22,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2465 backedges. 1585 proven. 789 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-10-18 13:45:22,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:45:22,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374165987] [2024-10-18 13:45:22,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374165987] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:45:22,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318520115] [2024-10-18 13:45:22,762 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 13:45:22,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:45:22,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:45:22,763 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) [2024-10-18 13:45:22,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-18 13:45:25,800 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2024-10-18 13:45:25,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:45:25,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-18 13:45:25,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:45:27,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2465 backedges. 1283 proven. 115 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-10-18 13:45:27,256 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:45:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2465 backedges. 1307 proven. 91 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-10-18 13:45:28,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318520115] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:45:28,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:45:28,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 31, 31] total 135 [2024-10-18 13:45:28,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181959447] [2024-10-18 13:45:28,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:45:28,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2024-10-18 13:45:28,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:45:28,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2024-10-18 13:45:28,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2640, Invalid=15720, Unknown=0, NotChecked=0, Total=18360 [2024-10-18 13:45:28,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:45:28,992 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:45:28,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 3.5661764705882355) internal successors, (485), 135 states have internal predecessors, (485), 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) [2024-10-18 13:45:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:45:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:45:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:45:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:45:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:45:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:45:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:45:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:45:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-10-18 13:45:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:45:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:45:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:45:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:45:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:45:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:45:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:45:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:45:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:45:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:45:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-10-18 13:45:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:45:29,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 13:45:29,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-18 13:45:29,505 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,SelfDestructingSolverStorable24 [2024-10-18 13:45:29,506 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)] === [2024-10-18 13:45:29,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:45:29,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1783679461, now seen corresponding path program 13 times [2024-10-18 13:45:29,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:45:29,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19884400] [2024-10-18 13:45:29,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:45:29,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:45:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:45:33,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2493 backedges. 1585 proven. 803 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-18 13:45:33,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:45:33,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19884400] [2024-10-18 13:45:33,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19884400] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:45:33,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130487095] [2024-10-18 13:45:33,484 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 13:45:33,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:45:33,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:45:33,486 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) [2024-10-18 13:45:33,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-18 13:45:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:45:33,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 1445 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-18 13:45:33,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:45:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2493 backedges. 1351 proven. 158 refuted. 0 times theorem prover too weak. 984 trivial. 0 not checked. [2024-10-18 13:45:35,283 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:45:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2493 backedges. 1404 proven. 105 refuted. 0 times theorem prover too weak. 984 trivial. 0 not checked. [2024-10-18 13:45:36,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130487095] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:45:36,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:45:36,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 33, 33] total 140 [2024-10-18 13:45:36,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053062417] [2024-10-18 13:45:36,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:45:36,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2024-10-18 13:45:36,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:45:37,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2024-10-18 13:45:37,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2801, Invalid=16939, Unknown=0, NotChecked=0, Total=19740 [2024-10-18 13:45:37,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:45:37,158 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:45:37,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 3.574468085106383) internal successors, (504), 140 states have internal predecessors, (504), 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) [2024-10-18 13:45:37,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:45:37,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:45:37,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:45:37,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:45:37,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:45:37,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:45:37,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:37,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:45:37,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:37,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:45:37,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-10-18 13:45:37,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:45:37,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 13:45:37,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:45:37,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:45:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:45:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:45:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:45:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:45:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:45:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:45:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:45:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-10-18 13:45:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:45:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 13:45:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 13:45:37,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-18 13:45:37,766 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,SelfDestructingSolverStorable25 [2024-10-18 13:45:37,766 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)] === [2024-10-18 13:45:37,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:45:37,766 INFO L85 PathProgramCache]: Analyzing trace with hash -8213057, now seen corresponding path program 14 times [2024-10-18 13:45:37,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:45:37,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746412152] [2024-10-18 13:45:37,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:45:37,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:45:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:45:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 1585 proven. 818 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-18 13:45:41,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:45:41,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746412152] [2024-10-18 13:45:41,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746412152] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:45:41,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480700208] [2024-10-18 13:45:41,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 13:45:41,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:45:41,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:45:41,853 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) [2024-10-18 13:45:41,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-18 13:45:42,127 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 13:45:42,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:45:42,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-18 13:45:42,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:45:43,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 1425 proven. 148 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-10-18 13:45:43,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:45:45,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 1453 proven. 120 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-10-18 13:45:45,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480700208] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:45:45,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:45:45,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 35, 35] total 145 [2024-10-18 13:45:45,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53896263] [2024-10-18 13:45:45,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:45:45,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2024-10-18 13:45:45,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:45:45,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2024-10-18 13:45:45,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3003, Invalid=18167, Unknown=0, NotChecked=0, Total=21170 [2024-10-18 13:45:45,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:45:45,813 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:45:45,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 3.5273972602739727) internal successors, (515), 145 states have internal predecessors, (515), 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) [2024-10-18 13:45:45,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:45:45,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:45:45,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:45:45,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:45:45,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:45:45,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:45:45,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:45,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:45:45,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:45,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:45:45,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-10-18 13:45:45,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:45:45,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 13:45:45,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 13:45:45,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:45:46,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:45:46,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:45:46,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:45:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:45:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:45:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:45:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:45:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:45:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-10-18 13:45:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:45:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 13:45:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 13:45:46,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 13:45:46,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-18 13:45:46,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-18 13:45:46,316 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)] === [2024-10-18 13:45:46,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:45:46,316 INFO L85 PathProgramCache]: Analyzing trace with hash -61661595, now seen corresponding path program 15 times [2024-10-18 13:45:46,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:45:46,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221620508] [2024-10-18 13:45:46,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:45:46,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:45:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:45:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2555 backedges. 1585 proven. 834 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-10-18 13:45:50,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:45:50,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221620508] [2024-10-18 13:45:50,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221620508] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:45:50,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698023762] [2024-10-18 13:45:50,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 13:45:50,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:45:50,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:45:50,398 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) [2024-10-18 13:45:50,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-18 13:45:54,842 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2024-10-18 13:45:54,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:45:54,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 1481 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-10-18 13:45:54,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:45:56,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2555 backedges. 2227 proven. 136 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-10-18 13:45:56,876 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:45:58,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2555 backedges. 2227 proven. 136 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-10-18 13:45:58,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698023762] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:45:58,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:45:58,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 37, 37] total 151 [2024-10-18 13:45:58,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892606476] [2024-10-18 13:45:58,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:45:58,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2024-10-18 13:45:58,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:45:58,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2024-10-18 13:45:58,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3167, Invalid=19483, Unknown=0, NotChecked=0, Total=22650 [2024-10-18 13:45:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:45:58,847 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:45:58,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 4.900662251655629) internal successors, (740), 151 states have internal predecessors, (740), 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) [2024-10-18 13:45:58,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:45:58,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:45:58,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:45:58,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:45:58,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:45:58,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:45:58,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:58,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:45:58,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:58,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:45:58,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-10-18 13:45:58,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:45:58,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 13:45:58,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 13:45:58,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 13:45:58,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:45:59,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 13:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:45:59,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-18 13:45:59,375 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,SelfDestructingSolverStorable27 [2024-10-18 13:45:59,375 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)] === [2024-10-18 13:45:59,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:45:59,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1421521985, now seen corresponding path program 16 times [2024-10-18 13:45:59,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:45:59,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534535803] [2024-10-18 13:45:59,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:45:59,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:45:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:46:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2589 backedges. 2099 proven. 281 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-10-18 13:46:00,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:46:00,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534535803] [2024-10-18 13:46:00,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534535803] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:46:00,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523789852] [2024-10-18 13:46:00,988 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 13:46:00,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:46:00,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:46:00,989 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) [2024-10-18 13:46:00,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-18 13:46:01,189 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 13:46:01,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:46:01,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-10-18 13:46:01,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:46:03,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2589 backedges. 21 proven. 2262 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-18 13:46:03,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:46:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2589 backedges. 1605 proven. 678 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-18 13:46:06,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523789852] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:46:06,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:46:06,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 64, 48] total 149 [2024-10-18 13:46:06,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829140981] [2024-10-18 13:46:06,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:46:06,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2024-10-18 13:46:06,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:46:06,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2024-10-18 13:46:06,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3079, Invalid=18973, Unknown=0, NotChecked=0, Total=22052 [2024-10-18 13:46:06,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:46:06,148 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:46:06,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 149 states have (on average 5.02013422818792) internal successors, (748), 149 states have internal predecessors, (748), 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) [2024-10-18 13:46:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:46:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:46:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:46:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:46:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:46:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:46:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:46:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:46:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:46:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:46:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-10-18 13:46:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:46:06,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 13:46:06,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 13:46:06,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 13:46:06,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:46:06,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:46:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:46:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:46:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 13:46:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 13:46:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 13:46:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:46:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:46:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 13:46:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 13:46:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-18 13:46:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-10-18 13:46:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 13:46:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 13:46:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 13:46:20,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 13:46:20,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 13:46:20,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-10-18 13:46:20,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-18 13:46:20,669 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,SelfDestructingSolverStorable28 [2024-10-18 13:46:20,669 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)] === [2024-10-18 13:46:20,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:46:20,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1840096671, now seen corresponding path program 17 times [2024-10-18 13:46:20,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:46:20,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006902125] [2024-10-18 13:46:20,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:46:20,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:46:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:46:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6273 backedges. 5293 proven. 809 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-10-18 13:46:30,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:46:30,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006902125] [2024-10-18 13:46:30,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006902125] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:46:30,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310103662] [2024-10-18 13:46:30,559 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 13:46:30,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:46:30,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:46:30,560 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) [2024-10-18 13:46:30,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process Killed by 15