./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 COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -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 COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -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 [2024-10-17 23:08:57,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 23:08:57,762 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 23:08:57,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 23:08:57,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 23:08:57,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 23:08:57,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 23:08:57,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 23:08:57,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 23:08:57,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 23:08:57,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 23:08:57,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 23:08:57,801 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 23:08:57,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 23:08:57,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 23:08:57,801 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 23:08:57,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 23:08:57,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 23:08:57,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 23:08:57,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 23:08:57,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 23:08:57,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 23:08:57,803 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 23:08:57,803 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 23:08:57,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 23:08:57,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 23:08:57,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 23:08:57,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 23:08:57,804 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 23:08:57,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 23:08:57,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 23:08:57,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 23:08:57,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 23:08:57,805 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 23:08:57,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 23:08:57,805 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 23:08:57,805 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 23:08:57,805 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 23:08:57,805 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 23:08:57,805 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 23:08:57,806 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 23:08:57,807 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 -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Seed for random criterion -> 213 [2024-10-17 23:08:58,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 23:08:58,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 23:08:58,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 23:08:58,021 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 23:08:58,021 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 23:08:58,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2024-10-17 23:08:59,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 23:08:59,384 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 23:08:59,384 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2024-10-17 23:08:59,391 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/789f2b396/8d7d57179bfb461fa95824adda3ab501/FLAGb75997229 [2024-10-17 23:08:59,401 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/789f2b396/8d7d57179bfb461fa95824adda3ab501 [2024-10-17 23:08:59,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 23:08:59,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 23:08:59,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 23:08:59,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 23:08:59,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 23:08:59,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:08:59" (1/1) ... [2024-10-17 23:08:59,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca7c898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:59, skipping insertion in model container [2024-10-17 23:08:59,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:08:59" (1/1) ... [2024-10-17 23:08:59,429 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 23:08:59,561 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] [2024-10-17 23:08:59,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 23:08:59,574 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 23:08:59,592 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] [2024-10-17 23:08:59,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 23:08:59,610 INFO L204 MainTranslator]: Completed translation [2024-10-17 23:08:59,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:59 WrapperNode [2024-10-17 23:08:59,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 23:08:59,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 23:08:59,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 23:08:59,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 23:08:59,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:59" (1/1) ... [2024-10-17 23:08:59,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:59" (1/1) ... [2024-10-17 23:08:59,648 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 276 [2024-10-17 23:08:59,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 23:08:59,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 23:08:59,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 23:08:59,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 23:08:59,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:59" (1/1) ... [2024-10-17 23:08:59,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:59" (1/1) ... [2024-10-17 23:08:59,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:59" (1/1) ... [2024-10-17 23:08:59,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:59" (1/1) ... [2024-10-17 23:08:59,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:59" (1/1) ... [2024-10-17 23:08:59,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:59" (1/1) ... [2024-10-17 23:08:59,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:59" (1/1) ... [2024-10-17 23:08:59,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:59" (1/1) ... [2024-10-17 23:08:59,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 23:08:59,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 23:08:59,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 23:08:59,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 23:08:59,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:59" (1/1) ... [2024-10-17 23:08:59,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 23:08:59,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:08:59,731 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) [2024-10-17 23:08:59,733 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 [2024-10-17 23:08:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 23:08:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-17 23:08:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-17 23:08:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-17 23:08:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-17 23:08:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-17 23:08:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-17 23:08:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 23:08:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-17 23:08:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 23:08:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 23:08:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-17 23:08:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 23:08:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 23:08:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-17 23:08:59,771 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 23:08:59,874 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 23:08:59,876 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 23:09:00,193 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 23:09:00,193 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 23:09:00,516 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 23:09:00,517 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-17 23:09:00,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:09:00 BoogieIcfgContainer [2024-10-17 23:09:00,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 23:09:00,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 23:09:00,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 23:09:00,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 23:09:00,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 11:08:59" (1/3) ... [2024-10-17 23:09:00,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e2343b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:09:00, skipping insertion in model container [2024-10-17 23:09:00,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:08:59" (2/3) ... [2024-10-17 23:09:00,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e2343b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:09:00, skipping insertion in model container [2024-10-17 23:09:00,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:09:00" (3/3) ... [2024-10-17 23:09:00,524 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2024-10-17 23:09:00,536 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 23:09:00,537 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 23:09:00,537 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 23:09:00,574 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-17 23:09:00,607 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 23:09:00,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 23:09:00,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:00,609 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) [2024-10-17 23:09:00,610 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 [2024-10-17 23:09:00,697 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 23:09:00,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:00,711 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 23:09:00,716 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;@7456cf75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-10-17 23:09:00,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-17 23:09:01,290 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)] === [2024-10-17 23:09:01,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:01,293 INFO L85 PathProgramCache]: Analyzing trace with hash -854224487, now seen corresponding path program 1 times [2024-10-17 23:09:01,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:01,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766881332] [2024-10-17 23:09:01,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:01,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-17 23:09:01,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:01,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766881332] [2024-10-17 23:09:01,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766881332] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 23:09:01,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 23:09:01,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 23:09:01,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375812527] [2024-10-17 23:09:01,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 23:09:01,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 23:09:01,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:01,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 23:09:01,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 23:09:01,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:01,798 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:01,799 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) [2024-10-17 23:09:01,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:01,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:01,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 23:09:01,904 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)] === [2024-10-17 23:09:02,034 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:09:02,035 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 [2024-10-17 23:09:02,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1327363719, now seen corresponding path program 1 times [2024-10-17 23:09:02,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:02,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:02,438 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 23:09:02,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:02,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:02,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 23:09:02,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:02,621 INFO L85 PathProgramCache]: Analyzing trace with hash 362043123, now seen corresponding path program 1 times [2024-10-17 23:09:02,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:02,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86382416] [2024-10-17 23:09:02,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:02,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:02,828 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-17 23:09:02,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:02,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86382416] [2024-10-17 23:09:02,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86382416] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:09:02,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896409203] [2024-10-17 23:09:02,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:02,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:02,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:02,831 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) [2024-10-17 23:09:02,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-17 23:09:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:02,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-17 23:09:02,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:09:03,031 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-17 23:09:03,033 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:09:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-17 23:09:03,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896409203] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:09:03,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:09:03,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-17 23:09:03,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338462639] [2024-10-17 23:09:03,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:09:03,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-17 23:09:03,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:03,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-17 23:09:03,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-17 23:09:03,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:03,110 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:03,110 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) [2024-10-17 23:09:03,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:03,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:03,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:03,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:03,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-17 23:09:03,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-17 23:09:03,495 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)] === [2024-10-17 23:09:03,591 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:09:03,592 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 [2024-10-17 23:09:05,816 INFO L85 PathProgramCache]: Analyzing trace with hash -532577504, now seen corresponding path program 1 times [2024-10-17 23:09:05,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:05,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:06,026 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-17 23:09:06,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:06,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:06,182 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-17 23:09:06,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:06,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1815279129, now seen corresponding path program 2 times [2024-10-17 23:09:06,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:06,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179679859] [2024-10-17 23:09:06,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:06,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 23:09:06,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:06,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179679859] [2024-10-17 23:09:06,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179679859] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:09:06,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050173689] [2024-10-17 23:09:06,376 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 23:09:06,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:06,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:06,378 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) [2024-10-17 23:09:06,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-17 23:09:06,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 23:09:06,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:09:06,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-17 23:09:06,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:09:06,634 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 23:09:06,634 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:09:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 23:09:06,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050173689] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:09:06,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:09:06,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 22 [2024-10-17 23:09:06,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82502823] [2024-10-17 23:09:06,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:09:06,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-17 23:09:06,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:06,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-17 23:09:06,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2024-10-17 23:09:06,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:06,765 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:06,766 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) [2024-10-17 23:09:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:06,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:06,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:06,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:06,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-17 23:09:07,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:07,127 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)] === [2024-10-17 23:09:07,228 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:09:07,228 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 [2024-10-17 23:09:09,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1243363880, now seen corresponding path program 1 times [2024-10-17 23:09:09,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:09,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 23:09:09,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 23:09:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 23:09:09,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:09,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1167874829, now seen corresponding path program 3 times [2024-10-17 23:09:09,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:09,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036903644] [2024-10-17 23:09:09,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:09,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:09,821 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 23:09:09,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:09,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036903644] [2024-10-17 23:09:09,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036903644] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:09:09,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46385717] [2024-10-17 23:09:09,822 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 23:09:09,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:09,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:09,824 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) [2024-10-17 23:09:09,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-17 23:09:09,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-17 23:09:09,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:09:09,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-17 23:09:09,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:09:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 23:09:10,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:09:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 23:09:10,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46385717] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:09:10,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:09:10,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2024-10-17 23:09:10,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819175891] [2024-10-17 23:09:10,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:09:10,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-17 23:09:10,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:10,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-17 23:09:10,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-10-17 23:09:10,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:10,140 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:10,140 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) [2024-10-17 23:09:10,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:10,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:10,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:10,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:10,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-17 23:09:10,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:10,534 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)] === [2024-10-17 23:09:10,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:10,535 INFO L85 PathProgramCache]: Analyzing trace with hash 128944988, now seen corresponding path program 4 times [2024-10-17 23:09:10,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:10,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236911886] [2024-10-17 23:09:10,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:10,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:10,812 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-17 23:09:10,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:10,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236911886] [2024-10-17 23:09:10,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236911886] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:09:10,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479100498] [2024-10-17 23:09:10,814 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 23:09:10,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:10,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:10,817 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) [2024-10-17 23:09:10,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-17 23:09:10,892 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 23:09:10,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:09:10,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-17 23:09:10,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:09:11,207 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 23:09:11,208 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:09:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 48 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 23:09:11,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479100498] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:09:11,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:09:11,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14, 12] total 35 [2024-10-17 23:09:11,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341389296] [2024-10-17 23:09:11,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:09:11,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-17 23:09:11,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:11,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-17 23:09:11,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1012, Unknown=0, NotChecked=0, Total=1190 [2024-10-17 23:09:11,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:11,479 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:11,479 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) [2024-10-17 23:09:11,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:11,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:11,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:11,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:11,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:12,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:12,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:12,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:12,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:12,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:12,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-17 23:09:12,799 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,SelfDestructingSolverStorable9 [2024-10-17 23:09:12,800 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)] === [2024-10-17 23:09:12,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:12,802 INFO L85 PathProgramCache]: Analyzing trace with hash -270734740, now seen corresponding path program 5 times [2024-10-17 23:09:12,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:12,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043516304] [2024-10-17 23:09:12,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:12,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:13,822 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 159 proven. 153 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 23:09:13,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:13,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043516304] [2024-10-17 23:09:13,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043516304] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:09:13,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630994201] [2024-10-17 23:09:13,823 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 23:09:13,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:13,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:13,824 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) [2024-10-17 23:09:13,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-17 23:09:14,064 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-10-17 23:09:14,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:09:14,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-17 23:09:14,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:09:14,402 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 247 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-10-17 23:09:14,403 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:09:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 247 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-10-17 23:09:14,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630994201] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:09:14,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:09:14,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 12, 12] total 51 [2024-10-17 23:09:14,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827108434] [2024-10-17 23:09:14,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:09:14,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-10-17 23:09:14,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:14,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-10-17 23:09:14,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=2267, Unknown=0, NotChecked=0, Total=2652 [2024-10-17 23:09:14,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:14,687 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:14,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.8076923076923075) internal successors, (250), 51 states have internal predecessors, (250), 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) [2024-10-17 23:09:14,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:14,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:14,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:14,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:14,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:14,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:14,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:14,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:14,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:14,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:14,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:14,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:14,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-17 23:09:15,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:15,135 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)] === [2024-10-17 23:09:15,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:15,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1303744454, now seen corresponding path program 6 times [2024-10-17 23:09:15,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:15,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965663292] [2024-10-17 23:09:15,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:15,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 159 proven. 158 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-17 23:09:16,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:16,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965663292] [2024-10-17 23:09:16,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965663292] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:09:16,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746451560] [2024-10-17 23:09:16,082 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 23:09:16,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:16,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:16,084 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) [2024-10-17 23:09:16,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-17 23:09:16,284 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-10-17 23:09:16,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:09:16,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-17 23:09:16,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:09:16,671 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 181 proven. 23 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-10-17 23:09:16,672 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:09:17,049 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 189 proven. 15 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-10-17 23:09:17,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746451560] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:09:17,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:09:17,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 15, 15] total 58 [2024-10-17 23:09:17,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195317668] [2024-10-17 23:09:17,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:09:17,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-10-17 23:09:17,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:17,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-10-17 23:09:17,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=2926, Unknown=0, NotChecked=0, Total=3422 [2024-10-17 23:09:17,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:17,052 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:17,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 3.694915254237288) internal successors, (218), 58 states have internal predecessors, (218), 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) [2024-10-17 23:09:17,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:17,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:17,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:17,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:17,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:17,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:17,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:17,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:17,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:17,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:17,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:17,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:17,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:17,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-17 23:09:17,470 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,SelfDestructingSolverStorable11 [2024-10-17 23:09:17,470 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)] === [2024-10-17 23:09:17,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:17,472 INFO L85 PathProgramCache]: Analyzing trace with hash 491630316, now seen corresponding path program 7 times [2024-10-17 23:09:17,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:17,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092789600] [2024-10-17 23:09:17,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:17,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:17,963 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 269 proven. 42 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-17 23:09:17,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:17,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092789600] [2024-10-17 23:09:17,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092789600] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:09:17,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933666450] [2024-10-17 23:09:17,964 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-17 23:09:17,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:17,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:17,968 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) [2024-10-17 23:09:17,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-17 23:09:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:18,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-17 23:09:18,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:09:18,457 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 198 proven. 42 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-10-17 23:09:18,457 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:09:18,830 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 219 proven. 21 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-10-17 23:09:18,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933666450] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:09:18,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:09:18,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 46 [2024-10-17 23:09:18,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057313242] [2024-10-17 23:09:18,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:09:18,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-10-17 23:09:18,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:18,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-10-17 23:09:18,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=401, Invalid=1761, Unknown=0, NotChecked=0, Total=2162 [2024-10-17 23:09:18,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:18,833 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:18,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 4.659574468085107) internal successors, (219), 46 states have internal predecessors, (219), 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) [2024-10-17 23:09:18,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:18,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:18,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:18,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:18,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:18,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:18,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:18,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:19,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:19,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:19,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:19,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:19,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:19,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:19,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:19,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:09:19,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-17 23:09:19,253 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 [2024-10-17 23:09:19,254 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)] === [2024-10-17 23:09:19,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:19,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1938539066, now seen corresponding path program 8 times [2024-10-17 23:09:19,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:19,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553745135] [2024-10-17 23:09:19,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:19,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:19,791 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 237 proven. 81 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-17 23:09:19,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:19,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553745135] [2024-10-17 23:09:19,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553745135] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:09:19,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241079857] [2024-10-17 23:09:19,792 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 23:09:19,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:19,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:19,793 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) [2024-10-17 23:09:19,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-17 23:09:19,926 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 23:09:19,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:09:19,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-17 23:09:19,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:09:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 223 proven. 40 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-17 23:09:20,377 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:09:20,813 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 235 proven. 28 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-17 23:09:20,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241079857] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:09:20,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:09:20,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 53 [2024-10-17 23:09:20,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102743714] [2024-10-17 23:09:20,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:09:20,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-10-17 23:09:20,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:20,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-10-17 23:09:20,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=2324, Unknown=0, NotChecked=0, Total=2862 [2024-10-17 23:09:20,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:20,816 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:20,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 4.296296296296297) internal successors, (232), 53 states have internal predecessors, (232), 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) [2024-10-17 23:09:20,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:20,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:20,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:20,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:20,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:20,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:20,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:20,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:09:20,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:21,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:21,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:21,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:21,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:21,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:21,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:21,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:21,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:09:21,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:09:21,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-17 23:09:21,220 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 [2024-10-17 23:09:21,220 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)] === [2024-10-17 23:09:21,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:21,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1246561132, now seen corresponding path program 9 times [2024-10-17 23:09:21,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:21,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014836156] [2024-10-17 23:09:21,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:21,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:21,762 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 98 proven. 235 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-17 23:09:21,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:21,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014836156] [2024-10-17 23:09:21,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014836156] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:09:21,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535737078] [2024-10-17 23:09:21,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 23:09:21,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:21,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:21,765 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) [2024-10-17 23:09:21,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-17 23:09:22,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-10-17 23:09:22,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:09:22,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-17 23:09:22,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:09:22,585 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 298 proven. 36 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-17 23:09:22,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:09:23,041 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 298 proven. 36 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-17 23:09:23,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535737078] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:09:23,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:09:23,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 20] total 56 [2024-10-17 23:09:23,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592948097] [2024-10-17 23:09:23,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:09:23,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-10-17 23:09:23,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:23,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-10-17 23:09:23,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=2777, Unknown=0, NotChecked=0, Total=3192 [2024-10-17 23:09:23,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:23,044 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:23,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 5.526315789473684) internal successors, (315), 56 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:09:23,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:23,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:23,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:23,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:23,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:23,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:23,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:23,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:09:23,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:09:23,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:09:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:09:23,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:09:23,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-17 23:09:23,936 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 [2024-10-17 23:09:23,937 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)] === [2024-10-17 23:09:24,013 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:09:24,013 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 [2024-10-17 23:09:26,182 INFO L85 PathProgramCache]: Analyzing trace with hash 583181396, now seen corresponding path program 1 times [2024-10-17 23:09:26,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:26,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 543 proven. 143 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-10-17 23:09:26,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:26,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:27,526 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 543 proven. 143 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-10-17 23:09:27,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:27,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1075754817, now seen corresponding path program 10 times [2024-10-17 23:09:27,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:27,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983121620] [2024-10-17 23:09:27,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:27,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 566 proven. 78 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-17 23:09:28,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:28,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983121620] [2024-10-17 23:09:28,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983121620] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:09:28,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031410760] [2024-10-17 23:09:28,192 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 23:09:28,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:28,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:28,193 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) [2024-10-17 23:09:28,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-17 23:09:28,317 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 23:09:28,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:09:28,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-17 23:09:28,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:09:29,209 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 116 proven. 490 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-17 23:09:29,209 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:09:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 446 proven. 160 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-17 23:09:30,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031410760] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:09:30,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:09:30,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 34, 26] total 79 [2024-10-17 23:09:30,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624805010] [2024-10-17 23:09:30,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:09:30,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-10-17 23:09:30,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:30,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-10-17 23:09:30,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1028, Invalid=5134, Unknown=0, NotChecked=0, Total=6162 [2024-10-17 23:09:30,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:30,077 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:30,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 5.012658227848101) internal successors, (396), 79 states have internal predecessors, (396), 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) [2024-10-17 23:09:30,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:30,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:30,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:30,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:30,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:30,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:30,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:30,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:09:30,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:09:30,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:09:30,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:09:33,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:09:33,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:09:33,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-10-17 23:09:33,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-17 23:09:33,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-17 23:09:33,716 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)] === [2024-10-17 23:09:33,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:33,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1582299526, now seen corresponding path program 11 times [2024-10-17 23:09:33,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:33,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425408454] [2024-10-17 23:09:33,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:33,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:36,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 1129 proven. 418 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-17 23:09:36,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:36,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425408454] [2024-10-17 23:09:36,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425408454] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:09:36,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452593966] [2024-10-17 23:09:36,472 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 23:09:36,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:36,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:36,474 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) [2024-10-17 23:09:36,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-17 23:09:40,169 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-10-17 23:09:40,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:09:40,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-17 23:09:40,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:09:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 1296 proven. 55 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-10-17 23:09:41,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:09:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 1296 proven. 55 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-10-17 23:09:42,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452593966] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:09:42,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:09:42,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 24, 24] total 107 [2024-10-17 23:09:42,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218620408] [2024-10-17 23:09:42,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:09:42,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-10-17 23:09:42,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:42,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-10-17 23:09:42,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1787, Invalid=9769, Unknown=0, NotChecked=0, Total=11556 [2024-10-17 23:09:42,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:42,029 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:42,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 4.777777777777778) internal successors, (516), 107 states have internal predecessors, (516), 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) [2024-10-17 23:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-10-17 23:09:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:09:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:09:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:09:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-10-17 23:09:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:09:42,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-17 23:09:42,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:42,546 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)] === [2024-10-17 23:09:42,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:42,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1936528980, now seen corresponding path program 12 times [2024-10-17 23:09:42,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:42,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89188998] [2024-10-17 23:09:42,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:42,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 1129 proven. 429 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-17 23:09:45,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:45,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89188998] [2024-10-17 23:09:45,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89188998] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:09:45,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837550552] [2024-10-17 23:09:45,270 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 23:09:45,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:45,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:45,271 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) [2024-10-17 23:09:45,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-17 23:09:46,900 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-10-17 23:09:46,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:09:46,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-17 23:09:46,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:09:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 1480 proven. 66 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-17 23:09:48,130 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:09:49,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 1480 proven. 66 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-17 23:09:49,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837550552] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:09:49,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:09:49,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 30, 30] total 121 [2024-10-17 23:09:49,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558641134] [2024-10-17 23:09:49,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:09:49,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-10-17 23:09:49,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:49,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-10-17 23:09:49,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2332, Invalid=12430, Unknown=0, NotChecked=0, Total=14762 [2024-10-17 23:09:49,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:49,369 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:49,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 5.122950819672131) internal successors, (625), 121 states have internal predecessors, (625), 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) [2024-10-17 23:09:49,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:49,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:49,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:49,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:49,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:49,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:49,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:49,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:09:49,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:09:49,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:09:49,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-10-17 23:09:49,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:09:49,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:09:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:09:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:09:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-10-17 23:09:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:09:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:09:49,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-17 23:09:49,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:49,864 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)] === [2024-10-17 23:09:49,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:49,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1797942278, now seen corresponding path program 13 times [2024-10-17 23:09:49,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:49,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589043638] [2024-10-17 23:09:49,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:49,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:51,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 1269 proven. 359 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-10-17 23:09:51,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:51,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589043638] [2024-10-17 23:09:51,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589043638] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:09:51,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693403710] [2024-10-17 23:09:51,827 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-17 23:09:51,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:51,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:51,829 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) [2024-10-17 23:09:51,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-17 23:09:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:52,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-10-17 23:09:52,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:09:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 1105 proven. 197 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-10-17 23:09:53,499 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:09:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 1166 proven. 136 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-10-17 23:09:55,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693403710] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:09:55,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:09:55,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 37, 37] total 122 [2024-10-17 23:09:55,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216010703] [2024-10-17 23:09:55,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:09:55,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2024-10-17 23:09:55,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:55,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2024-10-17 23:09:55,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2814, Invalid=12192, Unknown=0, NotChecked=0, Total=15006 [2024-10-17 23:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:55,031 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:55,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 3.967479674796748) internal successors, (488), 122 states have internal predecessors, (488), 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) [2024-10-17 23:09:55,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:55,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:55,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:55,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:55,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:55,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:55,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:55,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:09:55,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:09:55,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:09:55,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-10-17 23:09:55,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:09:55,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:09:55,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:09:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:09:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:09:55,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-10-17 23:09:55,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:09:55,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:09:55,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-17 23:09:55,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-17 23:09:55,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:55,497 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)] === [2024-10-17 23:09:55,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:09:55,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1228578732, now seen corresponding path program 14 times [2024-10-17 23:09:55,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:09:55,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127145975] [2024-10-17 23:09:55,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:09:55,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:09:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:09:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 306 proven. 1334 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-10-17 23:09:56,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:09:56,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127145975] [2024-10-17 23:09:56,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127145975] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:09:56,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125774944] [2024-10-17 23:09:56,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 23:09:56,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:09:56,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:09:56,917 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) [2024-10-17 23:09:56,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-17 23:09:57,165 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 23:09:57,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:09:57,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-10-17 23:09:57,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:09:58,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 1165 proven. 185 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-10-17 23:09:58,401 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:09:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 1197 proven. 153 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-10-17 23:09:59,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125774944] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:09:59,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:09:59,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 39, 39] total 112 [2024-10-17 23:09:59,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092939463] [2024-10-17 23:09:59,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:09:59,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2024-10-17 23:09:59,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:09:59,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2024-10-17 23:09:59,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1868, Invalid=10788, Unknown=0, NotChecked=0, Total=12656 [2024-10-17 23:09:59,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:09:59,905 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:09:59,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 4.389380530973451) internal successors, (496), 112 states have internal predecessors, (496), 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) [2024-10-17 23:09:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:09:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:09:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:09:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:09:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:09:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:09:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:09:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:09:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:09:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:09:59,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-10-17 23:09:59,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:09:59,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:09:59,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-17 23:09:59,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:10:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:10:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:10:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:10:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:10:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:10:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:10:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:10:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:10:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:10:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:10:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-10-17 23:10:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:10:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:10:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-17 23:10:01,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-10-17 23:10:01,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-17 23:10:01,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:10:01,877 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)] === [2024-10-17 23:10:01,945 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:10:01,946 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 [2024-10-17 23:10:02,064 INFO L85 PathProgramCache]: Analyzing trace with hash -136223651, now seen corresponding path program 1 times [2024-10-17 23:10:02,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:10:02,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:10:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:10:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3485 backedges. 2698 proven. 616 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-10-17 23:10:06,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:10:06,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:10:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:10:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3485 backedges. 2698 proven. 616 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-10-17 23:10:09,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:10:09,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1938945223, now seen corresponding path program 15 times [2024-10-17 23:10:09,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:10:09,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060312733] [2024-10-17 23:10:09,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:10:09,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:10:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:10:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2929 backedges. 2099 proven. 659 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-10-17 23:10:14,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:10:14,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060312733] [2024-10-17 23:10:14,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060312733] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:10:14,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495808190] [2024-10-17 23:10:14,579 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 23:10:14,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:10:14,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:10:14,580 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) [2024-10-17 23:10:14,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-17 23:10:21,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2024-10-17 23:10:21,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:10:21,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 1585 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-17 23:10:21,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:10:24,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2929 backedges. 2566 proven. 171 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-10-17 23:10:24,200 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:10:26,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2929 backedges. 2566 proven. 171 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-10-17 23:10:26,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495808190] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:10:26,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:10:26,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 41, 41] total 165 [2024-10-17 23:10:26,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802366299] [2024-10-17 23:10:26,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:10:26,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2024-10-17 23:10:26,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:10:26,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2024-10-17 23:10:26,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4039, Invalid=23021, Unknown=0, NotChecked=0, Total=27060 [2024-10-17 23:10:26,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:10:26,428 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:10:26,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 4.8969696969696965) internal successors, (808), 165 states have internal predecessors, (808), 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) [2024-10-17 23:10:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:10:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:10:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:10:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:10:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:10:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:10:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:10:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:10:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:10:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:10:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-10-17 23:10:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:10:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:10:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-17 23:10:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-10-17 23:10:26,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-17 23:10:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-10-17 23:10:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:10:26,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-17 23:10:27,006 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,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2024-10-17 23:10:27,006 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)] === [2024-10-17 23:10:27,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:10:27,007 INFO L85 PathProgramCache]: Analyzing trace with hash 174528417, now seen corresponding path program 16 times [2024-10-17 23:10:27,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:10:27,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230569219] [2024-10-17 23:10:27,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:10:27,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:10:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:10:31,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2967 backedges. 2099 proven. 678 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-17 23:10:31,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:10:31,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230569219] [2024-10-17 23:10:31,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230569219] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:10:31,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102809532] [2024-10-17 23:10:31,706 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 23:10:31,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:10:31,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:10:31,707 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) [2024-10-17 23:10:31,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-17 23:10:31,904 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 23:10:31,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:10:31,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-10-17 23:10:31,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:10:35,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2967 backedges. 251 proven. 2331 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-10-17 23:10:35,515 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:10:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2967 backedges. 1867 proven. 715 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-10-17 23:10:38,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102809532] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:10:38,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:10:38,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 66, 48] total 198 [2024-10-17 23:10:38,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32062354] [2024-10-17 23:10:38,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:10:38,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 198 states [2024-10-17 23:10:38,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:10:38,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2024-10-17 23:10:38,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5429, Invalid=33577, Unknown=0, NotChecked=0, Total=39006 [2024-10-17 23:10:38,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:10:38,686 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:10:38,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 198 states, 198 states have (on average 4.0606060606060606) internal successors, (804), 198 states have internal predecessors, (804), 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) [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:10:38,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-10-17 23:10:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-17 23:10:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2024-10-17 23:10:50,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-17 23:10:50,268 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,SelfDestructingSolverStorable25 [2024-10-17 23:10:50,268 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)] === [2024-10-17 23:10:50,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:10:50,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1781457708, now seen corresponding path program 17 times [2024-10-17 23:10:50,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:10:50,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224596229] [2024-10-17 23:10:50,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:10:50,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:10:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:10:58,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5274 backedges. 4171 proven. 893 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-10-17 23:10:58,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:10:58,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224596229] [2024-10-17 23:10:58,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224596229] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:10:58,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825468802] [2024-10-17 23:10:58,237 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 23:10:58,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:10:58,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:10:58,239 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) [2024-10-17 23:10:58,239 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